--- quickcheck-0.4.1/Cargo.toml	2016-12-07T22:55:54+01:00
+++ quickcheck-0.4.1/Cargo.toml	2017-11-09T16:38:10.805192+01:00
@@ -19,6 +19,6 @@
 name = "quickcheck"
 
 [dependencies]
-env_logger = { version = "0.3", optional = true }
+env_logger = { version = "0.4", optional = true }
 log = { version = "0.3", optional = true }
 rand = "0.3"