diff --git a/.github/workflows/build-test.yml b/.github/workflows/build-test.yml
index 702fda5..6941abf 100644
--- a/.github/workflows/build-test.yml
+++ b/.github/workflows/build-test.yml
@@ -25,6 +25,14 @@ jobs:
           node-version: '24'
           server-path: './server'
 
+      - name: Install Mail Manager
+        uses: actions/checkout@v6.0.2
+        with:
+          repository: Nodarx/mail_manager
+          ref: main
+          path: server/modules/mail_manager
+          github-server-url: https://git.ktrix.dev
+
       - name: Checkout Pull Request
         uses: actions/checkout@v6.0.2
         with:
diff --git a/.github/workflows/js-unit-tests.yml b/.github/workflows/js-unit-tests.yml
index d765d78..b0c45e6 100644
--- a/.github/workflows/js-unit-tests.yml
+++ b/.github/workflows/js-unit-tests.yml
@@ -25,6 +25,14 @@ jobs:
           node-version: '24'
           server-path: './server'
 
+      - name: Install Mail Manager
+        uses: actions/checkout@v6.0.2
+        with:
+          repository: Nodarx/mail_manager
+          ref: main
+          path: server/modules/mail_manager
+          github-server-url: https://git.ktrix.dev
+
       - name: Checkout Pull Request
         uses: actions/checkout@v6.0.2
         with: