diff --git a/dockerfiles/test-dex/Dockerfile b/dockerfiles/test-dex/Dockerfile
index 4670b7b65..8d154f941 100644
--- a/dockerfiles/test-dex/Dockerfile
+++ b/dockerfiles/test-dex/Dockerfile
@@ -1,4 +1,4 @@
 # Copyright 2021-2024 the Pinniped contributors. All Rights Reserved.
 # SPDX-License-Identifier: Apache-2.0
 
-FROM ghcr.io/dexidp/dex:v2.42.1
+FROM ghcr.io/dexidp/dex:v2.43.1