diff --git a/Cargo.lock b/Cargo.lock
index e51ec1605f0..89782fa18d3 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -7,7 +7,7 @@ dependencies = [
  "cargotest 0.1.0",
  "crates-io 0.7.0",
  "crossbeam 0.2.10 (registry+https://github.com/rust-lang/crates.io-index)",
- "curl 0.4.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "curl 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "docopt 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "env_logger 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "filetime 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -116,7 +116,7 @@ dependencies = [
 name = "crates-io"
 version = "0.7.0"
 dependencies = [
- "curl 0.4.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "curl 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 0.9.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_derive 0.9.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_json 0.9.6 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -130,10 +130,10 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "curl"
-version = "0.4.5"
+version = "0.4.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "curl-sys 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "curl-sys 0.3.10 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.20 (registry+https://github.com/rust-lang/crates.io-index)",
  "openssl-probe 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "openssl-sys 0.9.6 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -142,7 +142,7 @@ dependencies = [
 
 [[package]]
 name = "curl-sys"
-version = "0.3.8"
+version = "0.3.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "gcc 0.3.43 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -242,7 +242,7 @@ name = "git2-curl"
 version = "0.7.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "curl 0.4.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "curl 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "git2 0.6.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "url 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -315,7 +315,7 @@ version = "0.6.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "cmake 0.1.20 (registry+https://github.com/rust-lang/crates.io-index)",
- "curl-sys 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "curl-sys 0.3.10 (registry+https://github.com/rust-lang/crates.io-index)",
  "gcc 0.3.43 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.20 (registry+https://github.com/rust-lang/crates.io-index)",
  "libssh2-sys 0.2.5 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -826,8 +826,8 @@ dependencies = [
 "checksum cfg-if 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "de1e760d7b6535af4241fca8bd8adf68e2e7edacc6b29f5d399050c5e48cf88c"
 "checksum cmake 0.1.20 (registry+https://github.com/rust-lang/crates.io-index)" = "a3a6805df695087e7c1bcd9a82e03ad6fb864c8e67ac41b1348229ce5b7f0407"
 "checksum crossbeam 0.2.10 (registry+https://github.com/rust-lang/crates.io-index)" = "0c5ea215664ca264da8a9d9c3be80d2eaf30923c259d03e870388eb927508f97"
-"checksum curl 0.4.5 (registry+https://github.com/rust-lang/crates.io-index)" = "654c5b772f9e62a46a99cc9ee7442e80a139027889a6305cdd59bc1e5eb3e3e8"
-"checksum curl-sys 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)" = "a89415561199ca2ac6de2519674739159c1583bc0a9b46ec30fd3814999d5ef5"
+"checksum curl 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)" = "c90e1240ef340dd4027ade439e5c7c2064dd9dc652682117bd50d1486a3add7b"
+"checksum curl-sys 0.3.10 (registry+https://github.com/rust-lang/crates.io-index)" = "c0d909dc402ae80b6f7b0118c039203436061b9d9a3ca5d2c2546d93e0a61aaa"
 "checksum docopt 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)" = "ab32ea6e284d87987066f21a9e809a73c14720571ef34516f0890b3d355ccfd8"
 "checksum dtoa 0.4.1 (registry+https://github.com/rust-lang/crates.io-index)" = "80c8b71fd71146990a9742fc06dcbbde19161a267e0ad4e572c35162f4578c90"
 "checksum env_logger 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "99971fb1b635fe7a0ee3c4d065845bb93cca80a23b5613b5613391ece5de4144"
diff --git a/Cargo.toml b/Cargo.toml
index d7120460b50..1bc2acda0eb 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -19,7 +19,7 @@ path = "src/cargo/lib.rs"
 [dependencies]
 crates-io = { path = "src/crates-io", version = "0.7" }
 crossbeam = "0.2"
-curl = "0.4"
+curl = "0.4.6"
 docopt = "0.7"
 env_logger = "0.4"
 filetime = "0.1"
diff --git a/src/cargo/ops/registry.rs b/src/cargo/ops/registry.rs
index 00cc2fb9c17..c2915afcf55 100644
--- a/src/cargo/ops/registry.rs
+++ b/src/cargo/ops/registry.rs
@@ -5,7 +5,7 @@ use std::iter::repeat;
 use std::path::PathBuf;
 use std::time::Duration;
 
-use curl::easy::Easy;
+use curl::easy::{Easy, SslOpt};
 use git2;
 use registry::{Registry, NewCrate, NewCrateDependency};
 use term::color::BLACK;
@@ -231,6 +231,9 @@ pub fn http_handle(config: &Config) -> CargoResult<Easy> {
     if let Some(cainfo) = config.get_path("http.cainfo")? {
         handle.cainfo(&cainfo.val)?;
     }
+    if let Some(check) = config.get_bool("http.check-revoke")? {
+        handle.ssl_options(SslOpt::new().no_revoke(!check.val))?;
+    }
     if let Some(timeout) = http_timeout(config)? {
         handle.connect_timeout(Duration::new(timeout as u64, 0))?;
         handle.low_speed_time(Duration::new(timeout as u64, 0))?;
diff --git a/src/doc/config.md b/src/doc/config.md
index 798a25da68e..c67463ffb8b 100644
--- a/src/doc/config.md
+++ b/src/doc/config.md
@@ -83,6 +83,7 @@ proxy = "host:port" # HTTP proxy to use for HTTP requests (defaults to none)
                     # in libcurl format, e.g. "socks5h://host:port"
 timeout = 60000     # Timeout for each HTTP request, in milliseconds
 cainfo = "cert.pem" # Path to Certificate Authority (CA) bundle (optional)
+check-revoke = true # Indicates whether SSL certs are checked for revocation
 
 [build]
 jobs = 1                  # number of parallel jobs, defaults to # of CPUs