diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 64311f7e0e..beaa4a7209 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -110,6 +110,10 @@ jobs:
         working-directory: analyzer
         run: make test_unit test_functional
 
+      - name: Analyzer unit tests coverage
+        working-directory: analyzer
+        run: make test_unit_cov
+
   common:
     name: Common libraries
     runs-on: ubuntu-18.04
@@ -129,6 +133,10 @@ jobs:
         working-directory: codechecker_common/tests
         run: make -C unit test_unit
 
+      - name: Run unit tests coverage
+        working-directory: codechecker_common/tests
+        run: make -C unit test_unit_cov
+
   web:
     name: Web
     runs-on: ubuntu-18.04
@@ -175,6 +183,10 @@ jobs:
 
           make -C web test_matrix_${{ matrix.database }}
 
+      - name: Run unit tests coverage
+        working-directory: web
+        run: make test_unit_cov
+
   gui:
     name: GUI
     runs-on: ubuntu-18.04
diff --git a/Makefile b/Makefile
index a53eaf5438..222637f985 100644
--- a/Makefile
+++ b/Makefile
@@ -223,10 +223,19 @@ test_unit:
 	BUILD_DIR=$(BUILD_DIR) $(MAKE) -C $(CC_WEB) test_unit
 	BUILD_DIR=$(BUILD_DIR) $(MAKE) -C $(CC_COMMON)/tests/unit test_unit
 
+test_unit_cov:
+	BUILD_DIR=$(BUILD_DIR) $(MAKE) -C $(CC_ANALYZER) test_unit_cov
+	BUILD_DIR=$(BUILD_DIR) $(MAKE) -C $(CC_WEB) test_unit_cov
+	BUILD_DIR=$(BUILD_DIR) $(MAKE) -C $(CC_COMMON)/tests/unit test_unit_cov
+
 test_unit_in_env:
 	BUILD_DIR=$(BUILD_DIR) $(MAKE) -C $(CC_ANALYZER) test_unit_in_env
 	BUILD_DIR=$(BUILD_DIR) $(MAKE) -C $(CC_WEB) test_unit_in_env
 
+test_unit_cov_in_env:
+	BUILD_DIR=$(BUILD_DIR) $(MAKE) -C $(CC_ANALYZER) test_unit_cov_in_env
+	BUILD_DIR=$(BUILD_DIR) $(MAKE) -C $(CC_WEB) test_unit_cov_in_env
+
 test_functional:
 	BUILD_DIR=$(BUILD_DIR) $(MAKE) -C $(CC_ANALYZER) test_functional
 	BUILD_DIR=$(BUILD_DIR) $(MAKE) -C $(CC_WEB) test_functional
diff --git a/analyzer/requirements_py/dev/requirements.txt b/analyzer/requirements_py/dev/requirements.txt
index b4b6abde1e..0dc4335bb8 100644
--- a/analyzer/requirements_py/dev/requirements.txt
+++ b/analyzer/requirements_py/dev/requirements.txt
@@ -7,3 +7,4 @@ pylint==2.4.4
 mkdocs==1.1.2
 PyYAML==5.4.1
 mypy_extensions==0.4.3
+coverage==5.5.0
diff --git a/analyzer/tests/Makefile b/analyzer/tests/Makefile
index 0d47aa3971..8a47851282 100644
--- a/analyzer/tests/Makefile
+++ b/analyzer/tests/Makefile
@@ -40,13 +40,20 @@ run_test_in_env: venv_dev
 		nosetests $(NOSECFG) ${TEST} || exit 1
 
 UNIT_TEST_CMD = $(REPO_ROOT) nosetests $(NOSECFG) tests/unit
+UNIT_TEST_COV_CMD = $(REPO_ROOT) coverage run -m nose $(NOSECFG) tests/unit && coverage report && coverage html
 
 test_unit:
 	$(UNIT_TEST_CMD)
 
+test_unit_cov:
+	$(UNIT_TEST_COV_CMD)
+
 test_unit_in_env: venv_dev
 	$(ACTIVATE_DEV_VENV) && $(UNIT_TEST_CMD)
 
+test_unit_cov_in_env: venv_dev
+	$(ACTIVATE_DEV_VENV) && $(UNIT_TEST_COV_CMD)
+
 FUNCTIONAL_TEST_CMD = $(REPO_ROOT) $(TEST_PROJECT) \
 		nosetests $(NOSECFG) tests/functional || exit 1
 
diff --git a/codechecker_common/requirements_py/dev/requirements.txt b/codechecker_common/requirements_py/dev/requirements.txt
index ccd71c5cd9..d8111d9143 100644
--- a/codechecker_common/requirements_py/dev/requirements.txt
+++ b/codechecker_common/requirements_py/dev/requirements.txt
@@ -1,2 +1,3 @@
 nose==1.3.7
 portalocker==2.2.1
+coverage==5.5.0
diff --git a/codechecker_common/tests/unit/Makefile b/codechecker_common/tests/unit/Makefile
index 17e7d0b14d..5a893c8454 100644
--- a/codechecker_common/tests/unit/Makefile
+++ b/codechecker_common/tests/unit/Makefile
@@ -12,9 +12,16 @@ test_in_env: test_unit_in_env
 test: test_unit
 
 UNIT_TEST_CMD = $(REPO_ROOT) nosetests $(NOSECFG) .
+UNIT_TEST_COV_CMD = $(REPO_ROOT) coverage run -m nose $(NOSECFG) . && coverage report && coverage html
 
 test_unit:
 	$(UNIT_TEST_CMD)
 
+test_unit_cov:
+	$(UNIT_TEST_COV_CMD)
+
 test_unit_in_env: venv_dev
 	$(ACTIVATE_DEV_VENV) && $(UNIT_TEST_CMD)
+
+test_unit_cov_in_env: venv_dev
+	$(ACTIVATE_DEV_VENV) && $(UNIT_TEST_COV_CMD)
diff --git a/web/client/tests/Makefile b/web/client/tests/Makefile
index fdd9a14360..2fea93ec1f 100644
--- a/web/client/tests/Makefile
+++ b/web/client/tests/Makefile
@@ -1,7 +1,15 @@
 CLIENT_UNIT_TEST_CMD = $(REPO_ROOT) BUILD_DIR=$(BUILD_DIR) nosetests $(NOSECFG) -w client tests/unit
+CLIENT_UNIT_TEST_COV_CMD = $(REPO_ROOT) BUILD_DIR=$(BUILD_DIR) coverage run -m nose $(NOSECFG) -w client tests/unit && coverage report && coverage html
+
 
 test_unit_client:
 	$(CLIENT_UNIT_TEST_CMD)
 
+test_unit_cov_client:
+	$(CLIENT_UNIT_TEST_COV_CMD)
+
 test_unit_client_in_env: venv_dev
 	$(ACTIVATE_DEV_VENV) && $(CLIENT_UNIT_TEST_CMD)
+
+test_unit_cov_client_in_env: venv_dev
+	$(ACTIVATE_DEV_VENV) && $(CLIENT_UNIT_TEST_COV_CMD)
diff --git a/web/requirements_py/dev/requirements.txt b/web/requirements_py/dev/requirements.txt
index 3412d63aa4..5b29fd7bee 100644
--- a/web/requirements_py/dev/requirements.txt
+++ b/web/requirements_py/dev/requirements.txt
@@ -11,6 +11,7 @@ nose==1.3.7
 mockldap==0.3.0
 mkdocs==1.1.2
 mypy_extensions==0.4.3
+coverage==5.5.0
 
 ./api/py/codechecker_api/dist/codechecker_api.tar.gz
 ./api/py/codechecker_api_shared/dist/codechecker_api_shared.tar.gz
diff --git a/web/server/tests/Makefile b/web/server/tests/Makefile
index c5b7738c7e..c57ccff424 100644
--- a/web/server/tests/Makefile
+++ b/web/server/tests/Makefile
@@ -1,7 +1,14 @@
 SERVER_UNIT_TEST_CMD = $(REPO_ROOT) BUILD_DIR=$(BUILD_DIR) nosetests $(NOSECFG) -w server tests/unit
+SERVER_UNIT_TEST_COV_CMD = $(REPO_ROOT) BUILD_DIR=$(BUILD_DIR) coverage run -m nose $(NOSECFG) -w server tests/unit && coverage report && coverage html
 
 test_unit_server:
 	$(SERVER_UNIT_TEST_CMD)
 
+test_unit_cov_server:
+	$(SERVER_UNIT_TEST_COV_CMD)
+
 test_unit_server_in_env: venv_dev
 	$(ACTIVATE_DEV_VENV) && $(SERVER_UNIT_TEST_CMD)
+
+test_unit_cov_server_in_env: venv_dev
+	$(ACTIVATE_DEV_VENV) && $(SERVER_UNIT_TEST_COV_CMD)
diff --git a/web/tests/Makefile b/web/tests/Makefile
index 7f42ad6f88..e3df9394a7 100644
--- a/web/tests/Makefile
+++ b/web/tests/Makefile
@@ -98,8 +98,12 @@ run_test_in_env: venv_dev
 
 test_unit: test_unit_server test_unit_client
 
+test_unit_cov: test_unit_cov_server test_unit_cov_client
+
 test_unit_in_env: test_unit_server_in_env test_unit_client_in_env
 
+test_unit_cov_in_env: test_unit_cov_server_in_env test_unit_cov_client_in_env
+
 test_functional: test_sqlite test_psql
 
 test_functional_in_env: test_sqlite_in_env test_psql_in_env