diff --git a/Cargo.lock b/Cargo.lock
index 8fa14eaddcf..05ab94b389b 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -5323,9 +5323,9 @@ version = "0.0.1"
 
 [[package]]
 name = "slab"
-version = "0.4.1"
+version = "0.4.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5f9776d6b986f77b35c6cf846c11ad986ff128fe0b2b63a3628e3755e8d3102d"
+checksum = "c111b5bd5695e56cffe5129854aa230b39c93a305372fdbb2668ca2394eea9f8"
 
 [[package]]
 name = "smallbitvec"