diff --git a/Cargo.toml b/Cargo.toml
index 0590c60..8ac3b13 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -14,17 +14,17 @@ default = ["tls"]
 tls = ["native-tls"]
 
 [dependencies]
-base64 = "*"
-byteorder = "*"
-bytes = "*"
-httparse = "*"
-env_logger = "*"
-log = "*"
-rand = "*"
-sha1 = "*"
-url = "*"
+base64 = "0.4.0"
+byteorder = "1.0.0"
+bytes = "0.4.1"
+httparse = "1.2.1"
+env_logger = "0.4.2"
+log = "0.3.7"
+rand = "0.3.15"
+sha1 = "0.2.0"
+url = "1.4.0"
 utf-8 = "0.6"
 
 [dependencies.native-tls]
 optional = true
-version = "*"
+version = "0.1.1"