diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 7ae468c785..0a8586588c 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -12,7 +12,7 @@ jobs:
       # Label used to access the service container
       db:
         # Docker Hub image
-        image: postgres:12.22
+        image: postgres:18.3@sha256:7e32e9833a6fb1c92c32552794cb6ed569d51b445a54907d35fc112ef39684db
         # Set health checks to wait until postgres has started
         options: >-
           --health-cmd pg_isready