diff --git a/Cargo.toml b/Cargo.toml
index 4401e6714..59f101e48 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -54,7 +54,6 @@ actix = "0.7.0"
 
 base64 = "0.9"
 bitflags = "1.0"
-failure = "0.1.1"
 h2 = "0.1"
 htmlescape = "0.3"
 http = "^0.1.5"
@@ -82,6 +81,8 @@ cookie = { version="0.10", features=["percent-encode"] }
 brotli2 = { version="^0.3.2", optional = true }
 flate2 = { version="1.0", optional = true, default-features = false }
 
+failure = "=0.1.1"
+
 # io
 mio = "^0.6.13"
 net2 = "0.2"