diff --git a/docker-compose.yml b/docker-compose.yml
index dd79696..351bb62 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -11,8 +11,8 @@ services:
     environment:
       - MITM_PROXY=yes
       - HTTP_PORT=3128
-      - MITM_CERT=/run/secrets/ca-crt
-      - MITM_KEY=/run/secrets/ca-key
+      - MITM_CERT=/run/secrets/ca.crt
+      - MITM_KEY=/run/secrets/ca.key
       - VISIBLE_HOSTNAME=git.local-domain
       - EXTRA_CONFIG1=tls_outgoing_options capath=/etc/ssl/certs \
         options=NO_SSLv3,NO_TLSv1 \
@@ -33,6 +33,9 @@ services:
     networks:
       - appnet
       - externalnet
+    secrets:
+      - ca.crt
+      - ca.key
   squid-deb:
     deploy:
       placement:
@@ -60,7 +63,7 @@ networks:
     external: true
 
 secrets:
-  'ca-crt':
+  'ca.crt':
     file: .secrets/ca.crt
-  'ca-key':
+  'ca.key':
     file: .secrets/ca.key