diff --git a/.github/workflows/coverage.yml b/.github/workflows/coverage.yml
index 8f1a4ff..6329f19 100644
--- a/.github/workflows/coverage.yml
+++ b/.github/workflows/coverage.yml
@@ -16,7 +16,7 @@ jobs:
     if: ${{ github.repository_owner == 'ShuttlePub' && !contains(github.event.head_commit.message, '[CI-SKIP]') }}
     services:
       postgres:
-        image: postgres:16@sha256:5d143123fdf80462d1778cd4f24b9f7ca13c87174bca19141fb194c5a1ebca59
+        image: postgres:18@sha256:f7ce845ee6873dd84be93c9828fe0d1fab0f9707dc9ac569694657398b290bce
         env:
           POSTGRES_DB: postgres_test
           POSTGRES_USER: postgres
diff --git a/.github/workflows/test-psql.yml b/.github/workflows/test-psql.yml
index 35db6f6..b61748a 100644
--- a/.github/workflows/test-psql.yml
+++ b/.github/workflows/test-psql.yml
@@ -28,7 +28,7 @@ jobs:
     needs: [read-toolchain]
     services:
       postgres:
-        image: postgres:16@sha256:5d143123fdf80462d1778cd4f24b9f7ca13c87174bca19141fb194c5a1ebca59 # postgres 16.13
+        image: postgres:18@sha256:f7ce845ee6873dd84be93c9828fe0d1fab0f9707dc9ac569694657398b290bce # postgres 16.13
         env:
           POSTGRES_DB: postgres_test
           POSTGRES_USER: postgres