diff --git a/taskcluster/docker/fetch/Dockerfile b/taskcluster/docker/fetch/Dockerfile
index 0fc5cb7..f2fe9a9 100644
--- a/taskcluster/docker/fetch/Dockerfile
+++ b/taskcluster/docker/fetch/Dockerfile
@@ -1,4 +1,4 @@
-FROM debian:11@sha256:8a08b2875ed17adc464ae03cf5f8652a41821fb8d3d2b17923f11e7489b146da
+FROM debian:13@sha256:5cf544fad978371b3df255b61e209b373583cb88b733475c86e49faa15ac2104
 
 ### Add worker user and setup its workspace.
 RUN mkdir /builds && \