diff --git a/tests/proxy/fixtures/compose.yml b/tests/proxy/fixtures/compose.yml
index 780bf17..692c29c 100644
--- a/tests/proxy/fixtures/compose.yml
+++ b/tests/proxy/fixtures/compose.yml
@@ -10,7 +10,7 @@ services:
         condition: service_healthy
 
   proxy-coordinator:
-    image: docker:29.8.2-cli@sha256:b1805116a6a86cc591b5d5f60a910a0715cdcc9d18d866ad68b1457ead25c35c
+    image: docker:29.9.0-cli@sha256:1a4c7cb63513f349bdad01fcc6e0f3f2f67d37b9da86f14dc0d4a0942eecda00
     entrypoint: ["/bin/sh", "/project/.docker/scripts/proxy-coordinator.sh"]
     labels:
       coop.librecode.dev-proxy-client: "true"