diff --git a/Cargo.lock b/Cargo.lock
index d692fb5..13cb7fd 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -12,6 +12,11 @@ dependencies = [
  "safemem 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "bitflags"
+version = "0.9.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "bitflags"
 version = "1.0.3"
@@ -46,6 +51,23 @@ dependencies = [
  "url 1.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "core-foundation"
+version = "0.2.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "core-foundation-sys 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.42 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "core-foundation-sys"
+version = "0.2.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "libc 0.2.42 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "dns-lookup"
 version = "0.9.1"
@@ -118,6 +140,19 @@ name = "encoding_index_tests"
 version = "0.1.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[package]]
+name = "foreign-types"
+version = "0.3.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "foreign-types-shared 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "foreign-types-shared"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "fuchsia-zircon"
 version = "0.3.3"
@@ -147,6 +182,11 @@ name = "itoa"
 version = "0.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[package]]
+name = "lazy_static"
+version = "0.2.11"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "lazy_static"
 version = "1.0.1"
@@ -197,6 +237,43 @@ dependencies = [
  "unicase 1.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "native-tls"
+version = "0.1.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "lazy_static 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.42 (registry+https://github.com/rust-lang/crates.io-index)",
+ "openssl 0.9.24 (registry+https://github.com/rust-lang/crates.io-index)",
+ "schannel 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
+ "security-framework 0.1.16 (registry+https://github.com/rust-lang/crates.io-index)",
+ "security-framework-sys 0.1.16 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tempdir 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "openssl"
+version = "0.9.24"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "bitflags 0.9.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "foreign-types 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "lazy_static 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.42 (registry+https://github.com/rust-lang/crates.io-index)",
+ "openssl-sys 0.9.33 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "openssl-sys"
+version = "0.9.33"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "cc 1.0.17 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.42 (registry+https://github.com/rust-lang/crates.io-index)",
+ "pkg-config 0.3.11 (registry+https://github.com/rust-lang/crates.io-index)",
+ "vcpkg 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "percent-encoding"
 version = "1.0.1"
@@ -237,6 +314,11 @@ dependencies = [
  "unicase 1.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "pkg-config"
+version = "0.3.11"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "qstring"
 version = "0.5.2"
@@ -261,27 +343,11 @@ version = "0.1.40"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
-name = "ring"
-version = "0.13.0-alpha5"
+name = "remove_dir_all"
+version = "0.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "cc 1.0.17 (registry+https://github.com/rust-lang/crates.io-index)",
- "lazy_static 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.42 (registry+https://github.com/rust-lang/crates.io-index)",
- "untrusted 0.6.1 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
-[[package]]
-name = "rustls"
-version = "0.12.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "base64 0.9.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "log 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "ring 0.13.0-alpha5 (registry+https://github.com/rust-lang/crates.io-index)",
- "sct 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "untrusted 0.6.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "webpki 0.18.0-alpha4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -290,12 +356,32 @@ version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
-name = "sct"
-version = "0.3.0"
+name = "schannel"
+version = "0.1.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "ring 0.13.0-alpha5 (registry+https://github.com/rust-lang/crates.io-index)",
- "untrusted 0.6.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "lazy_static 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "security-framework"
+version = "0.1.16"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "core-foundation 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "core-foundation-sys 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.42 (registry+https://github.com/rust-lang/crates.io-index)",
+ "security-framework-sys 0.1.16 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "security-framework-sys"
+version = "0.1.16"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "core-foundation-sys 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.42 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -329,6 +415,15 @@ dependencies = [
  "winapi 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "tempdir"
+version = "0.3.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "rand 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "remove_dir_all 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "time"
 version = "0.1.40"
@@ -360,11 +455,6 @@ name = "unicode-normalization"
 version = "0.1.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
-[[package]]
-name = "untrusted"
-version = "0.6.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-
 [[package]]
 name = "ureq"
 version = "0.1.0"
@@ -377,12 +467,10 @@ dependencies = [
  "encoding 0.2.33 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "mime_guess 1.8.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "native-tls 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "qstring 0.5.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "rustls 0.12.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_json 1.0.20 (registry+https://github.com/rust-lang/crates.io-index)",
  "url 1.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "webpki 0.18.0-alpha4 (registry+https://github.com/rust-lang/crates.io-index)",
- "webpki-roots 0.14.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -395,29 +483,16 @@ dependencies = [
  "percent-encoding 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "vcpkg"
+version = "0.2.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "version_check"
 version = "0.1.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
-[[package]]
-name = "webpki"
-version = "0.18.0-alpha4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "ring 0.13.0-alpha5 (registry+https://github.com/rust-lang/crates.io-index)",
- "untrusted 0.6.1 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
-[[package]]
-name = "webpki-roots"
-version = "0.14.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "untrusted 0.6.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "webpki 0.18.0-alpha4 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
 [[package]]
 name = "winapi"
 version = "0.3.5"
@@ -440,12 +515,15 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 [metadata]
 "checksum ascii 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)" = "2b3c943947ef9a60212bd70d62f5775333c7739cf44b1b4abcbf4a57976f1867"
 "checksum base64 0.9.2 (registry+https://github.com/rust-lang/crates.io-index)" = "85415d2594767338a74a30c1d370b2f3262ec1b4ed2d7bba5b3faf4de40467d9"
+"checksum bitflags 0.9.1 (registry+https://github.com/rust-lang/crates.io-index)" = "4efd02e230a02e18f92fc2735f44597385ed02ad8f831e7c1c1156ee5e1ab3a5"
 "checksum bitflags 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)" = "d0c54bb8f454c567f21197eefcdbf5679d0bd99f2ddbe52e84c77061952e6789"
 "checksum byteorder 1.2.3 (registry+https://github.com/rust-lang/crates.io-index)" = "74c0b906e9446b0a2e4f760cdb3fa4b2c48cdc6db8766a845c54b6ff063fd2e9"
 "checksum cc 1.0.17 (registry+https://github.com/rust-lang/crates.io-index)" = "49ec142f5768efb5b7622aebc3fdbdbb8950a4b9ba996393cb76ef7466e8747d"
 "checksum cfg-if 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)" = "405216fd8fe65f718daa7102ea808a946b6ce40c742998fbfd3463645552de18"
 "checksum chunked_transfer 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)" = "498d20a7aaf62625b9bf26e637cf7736417cde1d0c99f1d04d1170229a85cf87"
 "checksum cookie 0.10.1 (registry+https://github.com/rust-lang/crates.io-index)" = "746858cae4eae40fff37e1998320068df317bc247dc91a67c6cfa053afdc2abb"
+"checksum core-foundation 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)" = "25bfd746d203017f7d5cbd31ee5d8e17f94b6521c7af77ece6c9e4b2d4b16c67"
+"checksum core-foundation-sys 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)" = "065a5d7ffdcbc8fa145d6f0746f3555025b9097a9e9cda59f7467abae670c78d"
 "checksum dns-lookup 0.9.1 (registry+https://github.com/rust-lang/crates.io-index)" = "54810764899241c707428f4a1989351f30c0c2bda5ea07ff2e43148f8935039f"
 "checksum dtoa 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)" = "09c3753c3db574d215cba4ea76018483895d7bff25a31b49ba45db21c48e50ab"
 "checksum encoding 0.2.33 (registry+https://github.com/rust-lang/crates.io-index)" = "6b0d943856b990d12d3b55b359144ff341533e516d94098b1d3fc1ac666d36ec"
@@ -455,10 +533,13 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 "checksum encoding-index-singlebyte 1.20141219.5 (registry+https://github.com/rust-lang/crates.io-index)" = "3351d5acffb224af9ca265f435b859c7c01537c0849754d3db3fdf2bfe2ae84a"
 "checksum encoding-index-tradchinese 1.20141219.5 (registry+https://github.com/rust-lang/crates.io-index)" = "fd0e20d5688ce3cab59eb3ef3a2083a5c77bf496cb798dc6fcdb75f323890c18"
 "checksum encoding_index_tests 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)" = "a246d82be1c9d791c5dfde9a2bd045fc3cbba3fa2b11ad558f27d01712f00569"
+"checksum foreign-types 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)" = "f6f339eb8adc052cd2ca78910fda869aefa38d22d5cb648e6485e4d3fc06f3b1"
+"checksum foreign-types-shared 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "00b0228411908ca8685dba7fc2cdd70ec9990a6e753e89b6ac91a84c40fbaf4b"
 "checksum fuchsia-zircon 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)" = "2e9763c69ebaae630ba35f74888db465e49e259ba1bc0eda7d06f4a067615d82"
 "checksum fuchsia-zircon-sys 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)" = "3dcaa9ae7725d12cdb85b3ad99a434db70b468c09ded17e012d86b5c1010f7a7"
 "checksum idna 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)" = "014b298351066f1512874135335d62a789ffe78a9974f94b43ed5621951eaf7d"
 "checksum itoa 0.4.1 (registry+https://github.com/rust-lang/crates.io-index)" = "c069bbec61e1ca5a596166e55dfe4773ff745c3d16b700013bcaff9a6df2c682"
+"checksum lazy_static 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)" = "76f033c7ad61445c5b347c7382dd1237847eb1bce590fe50365dcb33d546be73"
 "checksum lazy_static 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)" = "e6412c5e2ad9584b0b8e979393122026cdd6d2a80b933f890dcd694ddbe73739"
 "checksum libc 0.2.42 (registry+https://github.com/rust-lang/crates.io-index)" = "b685088df2b950fccadf07a7187c8ef846a959c142338a48f9dc0b94517eb5f1"
 "checksum log 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)" = "e19e8d5c34a3e0e2223db8e060f9e8264aeeb5c5fc64a4ee9965c062211c024b"
@@ -466,31 +547,35 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 "checksum matches 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)" = "100aabe6b8ff4e4a7e32c1c13523379802df0772b82466207ac25b013f193376"
 "checksum mime 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)" = "ba626b8a6de5da682e1caa06bdb42a335aee5a84db8e5046a3e8ab17ba0a3ae0"
 "checksum mime_guess 1.8.4 (registry+https://github.com/rust-lang/crates.io-index)" = "b7e2b09d08313f84e0fb82d13a4d859109a17543fe9af3b6d941dc1431f7de79"
+"checksum native-tls 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)" = "f74dbadc8b43df7864539cedb7bc91345e532fdd913cfdc23ad94f4d2d40fbc0"
+"checksum openssl 0.9.24 (registry+https://github.com/rust-lang/crates.io-index)" = "a3605c298474a3aa69de92d21139fb5e2a81688d308262359d85cdd0d12a7985"
+"checksum openssl-sys 0.9.33 (registry+https://github.com/rust-lang/crates.io-index)" = "d8abc04833dcedef24221a91852931df2f63e3369ae003134e70aff3645775cc"
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 "checksum socket2 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)" = "06dc9f86ee48652b7c80f3d254e3b9accb67a928c562c64d10d7b016d3d98dab"
+"checksum tempdir 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)" = "15f2b5fb00ccdf689e0149d1b1b3c03fead81c2b37735d812fa8bddbbf41b6d8"
 "checksum time 0.1.40 (registry+https://github.com/rust-lang/crates.io-index)" = "d825be0eb33fda1a7e68012d51e9c7f451dc1a69391e7fdc197060bb8c56667b"
 "checksum unicase 1.4.2 (registry+https://github.com/rust-lang/crates.io-index)" = "7f4765f83163b74f957c797ad9253caf97f103fb064d3999aea9568d09fc8a33"
 "checksum unicode-bidi 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)" = "49f2bd0c6468a8230e1db229cff8029217cf623c767ea5d60bfbd42729ea54d5"
 "checksum unicode-normalization 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)" = "6a0180bc61fc5a987082bfa111f4cc95c4caff7f9799f3e46df09163a937aa25"
-"checksum untrusted 0.6.1 (registry+https://github.com/rust-lang/crates.io-index)" = "70afa43c8c5d23a53a3c39ec9b56232c5badc19f6bb5ad529c1d6448a7241365"
 "checksum url 1.7.0 (registry+https://github.com/rust-lang/crates.io-index)" = "f808aadd8cfec6ef90e4a14eb46f24511824d1ac596b9682703c87056c8678b7"
+"checksum vcpkg 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)" = "7ed0f6789c8a85ca41bbc1c9d175422116a9869bd1cf31bb08e1493ecce60380"
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-"checksum webpki-roots 0.14.0 (registry+https://github.com/rust-lang/crates.io-index)" = "edbd75d6abf044ef0c9d7ec92b9e8c518bcd93a15bb7bd9a92239e035248fc17"
 "checksum winapi 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)" = "773ef9dcc5f24b7d850d0ff101e542ff24c3b090a9768e03ff889fdef41f00fd"
 "checksum winapi-i686-pc-windows-gnu 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
 "checksum winapi-x86_64-pc-windows-gnu 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
diff --git a/Cargo.toml b/Cargo.toml
index 4bcc7ab..3f528b2 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -13,8 +13,6 @@ encoding = "0.2"
 lazy_static = "1"
 mime_guess = "1"
 qstring = "0.5"
-rustls = "0.12"
+native-tls = "0.1"
 serde_json = "1"
 url = "1.6"
-webpki = "0.18.0-alpha3"
-webpki-roots = "0.14.0"
diff --git a/README.md b/README.md
index 75721d8..e6ff5b6 100644
--- a/README.md
+++ b/README.md
@@ -19,6 +19,7 @@
 - [ ] multipart/form-data
 - [ ] Connection reuse/keep-alive with pool
 - [ ] Expect 100-continue
+- [ ] Use `rustls` when ring v0.13 is released.
 
 ## Usage
 
diff --git a/src/conn.rs b/src/conn.rs
index f1e1bd4..b538eb8 100644
--- a/src/conn.rs
+++ b/src/conn.rs
@@ -1,14 +1,12 @@
 use dns_lookup;
-use rustls;
 use std::io::Write;
 use std::net::IpAddr;
 use std::net::SocketAddr;
 use std::net::TcpStream;
 use std::time::Duration;
 use stream::Stream;
+use native_tls::TlsConnector;
 use url::Url;
-use webpki;
-use webpki_roots;
 
 const CHUNK_SIZE: usize = 1024 * 1024;
 
@@ -134,19 +132,11 @@ fn connect_https(request: &Request, url: &Url) -> Result<Stream, Error> {
     let hostname = url.host_str().unwrap();
     let port = url.port().unwrap_or(443);
 
-    // TODO let user override TLS roots.
-    let mut config = rustls::ClientConfig::new();
-    config
-        .root_store
-        .add_server_trust_anchors(&webpki_roots::TLS_SERVER_ROOTS);
-    let rc_config = Arc::new(config);
-
     let socket = connect_host(request, hostname, port)?;
+    let connector = TlsConnector::builder()?.build()?;
+    let stream = connector.connect(hostname, socket)?;
 
-    webpki::DNSNameRef::try_from_ascii_str(&hostname)
-        .map_err(|_| Error::ConnectionFailed(format!("Invalid TLS name: {}", hostname)))
-        .map(|webpki| rustls::ClientSession::new(&rc_config, webpki))
-        .map(|client| Stream::Https(client, socket))
+    Ok(Stream::Https(stream))
 }
 
 fn connect_host(request: &Request, hostname: &str, port: u16) -> Result<TcpStream, Error> {
diff --git a/src/error.rs b/src/error.rs
index cbc458a..a21f08b 100644
--- a/src/error.rs
+++ b/src/error.rs
@@ -1,4 +1,7 @@
 use std::io::Error as IoError;
+use native_tls::Error as TlsError;
+use native_tls::HandshakeError;
+use std::net::TcpStream;
 
 #[derive(Debug)]
 pub enum Error {
@@ -10,6 +13,8 @@ pub enum Error {
     BadStatus,
     BadHeader,
     Io(IoError),
+    Tls(TlsError),
+    TlsHandshake(HandshakeError<TcpStream>),
 }
 
 impl Error {
@@ -23,6 +28,8 @@ impl Error {
             Error::BadStatus => 500,
             Error::BadHeader => 500,
             Error::Io(_) => 500,
+            Error::Tls(_) => 400,
+            Error::TlsHandshake(_) => 500,
         }
     }
     pub fn status_text(&self) -> &str {
@@ -38,6 +45,8 @@ impl Error {
             Error::BadStatus => "Bad Status",
             Error::BadHeader => "Bad Header",
             Error::Io(_) => "Network Error",
+            Error::Tls(_) => "TLS Error",
+            Error::TlsHandshake(_) => "TLS Handshake Error",
         }
     }
     pub fn body_text(&self) -> String {
@@ -50,6 +59,8 @@ impl Error {
             Error::BadStatus => "Bad Status".to_string(),
             Error::BadHeader => "Bad Header".to_string(),
             Error::Io(ioe) => format!("Network Error: {}", ioe),
+            Error::Tls(tls) => format!("TLS Error: {}", tls),
+            Error::TlsHandshake(he) => format!("TLS Handshake Error: {}", he),
         }
     }
 }
@@ -59,3 +70,15 @@ impl From<IoError> for Error {
         Error::Io(err)
     }
 }
+
+impl From<TlsError> for Error {
+    fn from(err: TlsError) -> Error {
+        Error::Tls(err)
+    }
+}
+
+impl From<HandshakeError<TcpStream>> for Error {
+    fn from(err: HandshakeError<TcpStream>) -> Error {
+        Error::TlsHandshake(err)
+    }
+}
diff --git a/src/lib.rs b/src/lib.rs
index db3e3fb..dc28d55 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -8,11 +8,9 @@ extern crate encoding;
 extern crate lazy_static;
 extern crate mime_guess;
 extern crate qstring;
-extern crate rustls;
 extern crate serde_json;
+extern crate native_tls;
 extern crate url;
-extern crate webpki;
-extern crate webpki_roots;
 
 #[macro_use]
 mod agent;
diff --git a/src/stream.rs b/src/stream.rs
index 267a86a..83dd9bf 100644
--- a/src/stream.rs
+++ b/src/stream.rs
@@ -1,12 +1,13 @@
-use rustls;
 use std::io::Read;
 use std::io::Result;
 use std::io::Write;
 use std::net::TcpStream;
+use native_tls::TlsStream;
+
 
 pub enum Stream {
     Http(TcpStream),
-    Https(rustls::ClientSession, TcpStream),
+    Https(TlsStream<TcpStream>),
     Read(Box<Read>),
     #[cfg(test)] Test(Box<Read + Send>, Vec<u8>),
 }
@@ -25,7 +26,7 @@ impl Read for Stream {
     fn read(&mut self, buf: &mut [u8]) -> Result<usize> {
         match self {
             Stream::Http(sock) => sock.read(buf),
-            Stream::Https(sess, sock) => rustls::Stream::new(sess, sock).read(buf),
+            Stream::Https(stream) => stream.read(buf),
             Stream::Read(read) => read.read(buf),
             #[cfg(test)] Stream::Test(reader, _) => reader.read(buf),
         }
@@ -36,7 +37,7 @@ impl Write for Stream {
     fn write(&mut self, buf: &[u8]) -> Result<usize> {
         match self {
             Stream::Http(sock) => sock.write(buf),
-            Stream::Https(sess, sock) => rustls::Stream::new(sess, sock).write(buf),
+            Stream::Https(stream) => stream.write(buf),
             Stream::Read(_) => panic!("Write to read stream"),
             #[cfg(test)] Stream::Test(_, writer) => writer.write(buf),
         }
@@ -44,7 +45,7 @@ impl Write for Stream {
     fn flush(&mut self) -> Result<()> {
         match self {
             Stream::Http(sock) => sock.flush(),
-            Stream::Https(sess, sock) => rustls::Stream::new(sess, sock).flush(),
+            Stream::Https(stream) => stream.flush(),
             Stream::Read(_) => panic!("Flush read stream"),
             #[cfg(test)] Stream::Test(_, writer) => writer.flush(),
         }