diff --git a/docker/docker-compose.ci.yml b/docker/docker-compose.ci.yml
index 1bf6dade..af3a91b3 100644
--- a/docker/docker-compose.ci.yml
+++ b/docker/docker-compose.ci.yml
@@ -39,7 +39,7 @@ services:
           - website3.example.com
 
   stepca:
-    image: jc21/testca
+    image: nginxproxymanager/testca
     volumes:
       - "./dev/resolv.conf:/etc/resolv.conf:ro"
       - "/etc/localtime:/etc/localtime:ro"
diff --git a/docker/docker-compose.dev.yml b/docker/docker-compose.dev.yml
index 4d519f8a..d6b07ec0 100644
--- a/docker/docker-compose.dev.yml
+++ b/docker/docker-compose.dev.yml
@@ -94,7 +94,7 @@ services:
           - pgdb.internal
 
   stepca:
-    image: jc21/testca
+    image: nginxproxymanager/testca
     container_name: npm2dev.stepca
     volumes:
       - "./dev/resolv.conf:/etc/resolv.conf:ro"