diff --git a/Cargo.lock b/Cargo.lock
index 26ebbc01..9fdab59a 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -694,7 +694,7 @@ dependencies = [
  "env_logger 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "import 0.1.0",
  "keys 0.1.0",
- "libc 0.2.18 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.19 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "logs 0.1.0",
  "message 0.1.0",
@@ -1118,6 +1118,7 @@ dependencies = [
 [[package]]
 name = "tokio-core"
 version = "0.1.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "futures 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1126,12 +1127,6 @@ dependencies = [
  "slab 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
-[[package]]
-name = "tokio-core"
-version = "0.1.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-replace = "tokio-core 0.1.3"
-
 [[package]]
 name = "unicase"
 version = "1.4.0"