diff --git a/docker-compose.test.yml b/docker-compose.test.yml
index 9388022c..c75b13fd 100644
--- a/docker-compose.test.yml
+++ b/docker-compose.test.yml
@@ -30,7 +30,7 @@ services:
       interval: 15s
 
   postgres:
-    image: docker.io/postgres:17-alpine
+    image: docker.io/postgres:18-alpine
     env_file: env/postgres.env
     healthcheck:
       test: pg_isready -q -t 2 -d $$POSTGRES_DB -U $$POSTGRES_USER ## $$ because of docker-compose
diff --git a/docker-compose.yml b/docker-compose.yml
index a5e78d4a..907a76f5 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -34,7 +34,7 @@ services:
 
   # postgres
   postgres:
-    image: docker.io/postgres:17-alpine
+    image: docker.io/postgres:18-alpine
     healthcheck:
       test: pg_isready -q -t 2 -d $$POSTGRES_DB -U $$POSTGRES_USER
       start_period: 20s