diff --git a/.github/workflows/run_tests.yml b/.github/workflows/run_tests.yml
index 1965a4034..41a65be92 100644
--- a/.github/workflows/run_tests.yml
+++ b/.github/workflows/run_tests.yml
@@ -20,7 +20,7 @@ jobs:
 
     services:
       postgres:
-        image: postgres:13.5
+        image: postgres:13.18
         env:
           POSTGRES_PASSWORD: password
           POSTGRES_USER: postgres
@@ -79,7 +79,7 @@ jobs:
 
     services:
       postgres:
-        image: postgres:13.5
+        image: postgres:13.18
         env:
           POSTGRES_PASSWORD: password
           POSTGRES_USER: postgres
@@ -137,7 +137,7 @@ jobs:
 
     services:
       postgres:
-        image: postgres:13.5
+        image: postgres:13.18
         env:
           POSTGRES_PASSWORD: password
           POSTGRES_USER: postgres
@@ -195,7 +195,7 @@ jobs:
 
     services:
       postgres:
-        image: postgres:13.5
+        image: postgres:13.18
         env:
           POSTGRES_PASSWORD: password
           POSTGRES_USER: postgres
@@ -254,7 +254,7 @@ jobs:
 
     services:
       postgres:
-        image: postgres:13.5
+        image: postgres:13.18
         env:
           POSTGRES_PASSWORD: password
           POSTGRES_USER: postgres
@@ -313,7 +313,7 @@ jobs:
 
     services:
       postgres:
-        image: postgres:13.5
+        image: postgres:13.18
         env:
           POSTGRES_PASSWORD: password
           POSTGRES_USER: postgres
diff --git a/docker-compose.yml b/docker-compose.yml
index cb96343b5..699e894d9 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -5,7 +5,7 @@ volumes:
 
 services:
   db:
-    image: postgres:13.5-alpine
+    image: postgres:13.18-alpine
     restart: always
     # To preserve data between runs of docker-compose, we mount a folder from the host machine.
     volumes: