diff --git a/.github/workflows/internal_tests.yaml b/.github/workflows/internal_tests.yaml
index 6d1cb967..f565f772 100644
--- a/.github/workflows/internal_tests.yaml
+++ b/.github/workflows/internal_tests.yaml
@@ -59,7 +59,7 @@ jobs:
 
     services:
       postgres:
-        image: postgres:16.11
+        image: postgres:18.1
         env:
           POSTGRES_PASSWORD: postgres
         ports:
diff --git a/.github/workflows/planner_integration.yaml b/.github/workflows/planner_integration.yaml
index 2500d71d..05b154ea 100644
--- a/.github/workflows/planner_integration.yaml
+++ b/.github/workflows/planner_integration.yaml
@@ -56,7 +56,7 @@ jobs:
 
     services:
       postgres:
-        image: postgres:16.11
+        image: postgres:18.1
         env:
           POSTGRES_PASSWORD: postgres
         ports: