diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 9223f3b..a91f679 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -21,7 +21,7 @@ jobs:
     runs-on: ubuntu-latest
     services:
       postgres:
-        image: postgres:17-alpine@sha256:b0f9560a2de083e2cc7382e75f808c7381a32852a7ec49117deedb300e552b24
+        image: postgres:18-alpine@sha256:77f585114c32fbca283dc835b0596f4e52b51b4c6662d7810b2f4084f60a1873
         env:
           POSTGRES_PASSWORD: test-password
         ports: ["5432:5432"]
diff --git a/compose.yaml b/compose.yaml
index f441808..dd9eab0 100644
--- a/compose.yaml
+++ b/compose.yaml
@@ -1,6 +1,6 @@
 services:
   postgres:
-    image: postgres:17-alpine@sha256:b0f9560a2de083e2cc7382e75f808c7381a32852a7ec49117deedb300e552b24
+    image: postgres:18-alpine@sha256:77f585114c32fbca283dc835b0596f4e52b51b4c6662d7810b2f4084f60a1873
     restart: unless-stopped
     environment:
       POSTGRES_DB: rendercase