diff --git a/docker-compose.dev.yaml b/docker-compose.dev.yaml
index 51a46e0..47ec1e1 100644
--- a/docker-compose.dev.yaml
+++ b/docker-compose.dev.yaml
@@ -1,7 +1,6 @@
-version: "3.7"
 services:
   database:
-    image: postgres:15
+    image: postgres
     restart: always
     ports:
       - "5433:5432"
@@ -56,6 +55,7 @@ services:
       MAIL_FROM: ${MAIL_FROM}
       MAIL_USER: ${MAIL_USER}
       MAIL_PASS: ${MAIL_PASS}
+      OIDC_COOKIES_KEYS: 7JOoAPoC5232uJiUdDd+7EUuyFFcZqQJwsAQDnoldZI=
       OTP_SECRET_FILE: nonsecure
       OTP_VALIDITY_SECONDS: 3600
       EMAIL_FOOTER: "SlimFact dev"
diff --git a/docker-compose.test.yaml b/docker-compose.test.yaml
index 4af2692..7e617cf 100644
--- a/docker-compose.test.yaml
+++ b/docker-compose.test.yaml
@@ -1,4 +1,3 @@
-version: "3.7"
 services:
   caddy:
     image: lucaslorentz/caddy-docker-proxy:ci-alpine
@@ -18,7 +17,7 @@ services:
       - web
 
   database:
-    image: postgres:15
+    image: postgres
     ports:
       - "5432:5432"
     environment:
diff --git a/docker-compose.yaml b/docker-compose.yaml
index 1630280..25e96e5 100644
--- a/docker-compose.yaml
+++ b/docker-compose.yaml
@@ -1,4 +1,3 @@
-version: "3.9"
 services:
   api:
     image: "ghcr.io/simsustech/slimfact"
@@ -59,7 +58,7 @@ services:
     restart: unless-stopped
 
   database:
-    image: postgres:15
+    image: postgres
     environment:
       POSTGRES_PASSWORD_FILE: /run/secrets/POSTGRES_PASSWORD
       POSTGRES_DB: ${POSTGRES_DB}