diff --git a/Cargo.toml b/Cargo.toml
index 02f694e83..3524a0aaf 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -19,7 +19,7 @@ crossbeam-channel = "0.3"
 dirs = "1.0"
 downcast-rs = "1.0"
 euclid = "0.19"
-filedescriptor = "0.4"
+filedescriptor = "0.5"
 pretty_env_logger = "0.3"
 failure = "0.1"
 failure_derive = "0.1"