diff --git a/.gitea/workflows/workflow.yaml b/.gitea/workflows/workflow.yaml
index 2069449..5cb7111 100644
--- a/.gitea/workflows/workflow.yaml
+++ b/.gitea/workflows/workflow.yaml
@@ -51,7 +51,7 @@ jobs:
     runs-on: ubuntu-24.04
     services:
       postgres:
-        image: postgres:18.3-alpine
+        image: postgres:18.4-alpine
         env:
           POSTGRES_USER: ${{ secrets.DB_TEST_USER }}
           POSTGRES_PASSWORD: ${{ secrets.DB_TEST_PASSWORD }}
diff --git a/docker-compose.yaml b/docker-compose.yaml
index 2c8144c..56afe67 100644
--- a/docker-compose.yaml
+++ b/docker-compose.yaml
@@ -18,7 +18,7 @@ services:
 
   # PostgreSQL Database Service
   auth_db:
-    image: postgres:18.3-alpine # Use an official Postgres image (Alpine variant is smaller)
+    image: postgres:18.4-alpine # Use an official Postgres image (Alpine variant is smaller)
     container_name: textsender_auth_db # Optional: Give the container a specific name
     environment:
       # These MUST match the user, password, and database name in the DATABASE_URL above