diff --git a/Cargo.lock b/Cargo.lock
index dbb4f4e86..aea8f107c 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -852,9 +852,9 @@ dependencies = [
 
 [[package]]
 name = "rustc-demangle"
-version = "0.1.18"
+version = "0.1.19"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6e3bad0ee36814ca07d7968269dd4b7ec89ec2da10c4bb613928d3077083c232"
+checksum = "410f7acf3cb3a44527c5d9546bad4bf4e6c460915d5f9f2fc524498bfe8f70ce"
 
 [[package]]
 name = "rustc-serialize"