diff --git a/.github/workflows/monkey-ci.yml b/.github/workflows/monkey-ci.yml
index 21252fdf4120..0d97fb981468 100644
--- a/.github/workflows/monkey-ci.yml
+++ b/.github/workflows/monkey-ci.yml
@@ -160,6 +160,17 @@ jobs:
       - name: Install dependencies
         run: pnpm install
 
+      - name: Cache testcontainers images
+        id: cache-testcontainers
+        uses: AndreKurait/docker-cache@0.6.0
+        with:
+          key: ${{ runner.os }}-testcontainers-mongo-5.0.13-redis-6.2.6
+
+      - name: Pull testcontainers images
+        run: |
+          docker pull mongo:5.0.13
+          docker pull redis:6.2.6
+          
       - name: Check lint
         run: npm run lint-be
 
diff --git a/backend/__tests__/__integration__/global-setup.ts b/backend/__tests__/__integration__/global-setup.ts
index 75a4f2865c07..d6f1f30f8f9c 100644
--- a/backend/__tests__/__integration__/global-setup.ts
+++ b/backend/__tests__/__integration__/global-setup.ts
@@ -7,6 +7,7 @@ export async function setup(): Promise<void> {
   process.env.TZ = "UTC";
 
   //use testcontainer to start mongodb
+  //make sure to update the image version in monkey-ci.yml if you change it here
   const mongoContainer = new GenericContainer("mongo:5.0.13")
     .withExposedPorts(27017)
     .withWaitStrategy(Wait.forListeningPorts());
@@ -19,6 +20,7 @@ export async function setup(): Promise<void> {
   process.env["TEST_DB_URL"] = mongoUrl;
 
   //use testcontainer to start redis
+  //make sure to update the image version in monkey-ci.yml if you change it here
   const redisContainer = new GenericContainer("redis:6.2.6")
     .withExposedPorts(6379)
     .withWaitStrategy(Wait.forLogMessage("Ready to accept connections"));