diff --git a/Cargo.lock b/Cargo.lock
index f5a3372293f..bd40afc7ff4 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -4018,9 +4018,9 @@ checksum = "1ab52be62400ca80aa00285d25253d7f7c437b7375c4de678f5405d3afe82ca5"
 
 [[package]]
 name = "once_cell"
-version = "1.4.0"
+version = "1.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0b631f7e854af39a1739f401cf34a8a013dfe09eac4fa4dba91e9768bd28168d"
+checksum = "260e51e7efe62b592207e9e13a68e43692a7a279171d6ba57abd208bf23645ad"
 
 [[package]]
 name = "opaque-debug"