diff --git a/.github/workflows/test_coverage.yml b/.github/workflows/test_coverage.yml
index b8a3d65..668b792 100644
--- a/.github/workflows/test_coverage.yml
+++ b/.github/workflows/test_coverage.yml
@@ -55,7 +55,7 @@ jobs:
         if: steps.pip-cache.outputs.cache-hit != 'true'
         run: |
           python -m pip install --upgrade pip
-          python -m pip install -r requirements/requirements.dev.txt -r requirements/requirements.detector.txt -r requirements/requirements.logcollector.txt -r requirements/requirements.prefilter.txt -r requirements/requirements.inspector.txt -r requirements/requirements.logserver.txt
+          python -m pip install -r requirements/requirements.dev.txt -r requirements/requirements.detector.txt -r requirements/requirements.logcollector.txt -r requirements/requirements.prefilter.txt -r requirements/requirements.inspector.txt -r requirements/requirements.logserver.txt -r requirements/requirements.alerter.txt
 
       - name: Test
         run: |
diff --git a/requirements/requirements.dev.txt b/requirements/requirements.dev.txt
index 416634f..0bb17ef 100644
--- a/requirements/requirements.dev.txt
+++ b/requirements/requirements.dev.txt
@@ -1 +1,2 @@
+coverage
 pre-commit