diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 09af161..e2353f8 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -31,11 +31,23 @@ jobs:
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip
-          pip install tox tox-gh-actions pytest black coverage requests pytest-asyncio
-
-      - name: Run tox
+          pip install tox tox-gh-actions \
+            pytest \
+            pytest-cov \
+            pytest-asyncio \
+            black \
+            coverage \
+            requests \
+            httpx \
+            asgi_lifespan \
+            psutil \
+            uvicorn \
+            starlette \
+            fastapi
+
+      - name: Run tests
         run: |
-          make tox
+          make test-unit
 
       - name: Upload coverage to Codecov
         uses: codecov/codecov-action@v3
diff --git a/Makefile b/Makefile
index 9ff2380..9c1ce35 100644
--- a/Makefile
+++ b/Makefile
@@ -70,6 +70,10 @@ TESTING:  ## ############################################################
 test:  ## run tests
 	python -m pytest -ra --junitxml=report.xml --cov-config=pyproject.toml --cov-report=xml --cov-report term --cov=$(pkg_src) tests/
 
+.PHONY: test-unit
+test-unit:  ## run all tests except "integration" marked
+	RUN_ENV=local python -m pytest -m "not (integration or e2e)" --cov-config=pyproject.toml --cov-report=html --cov-report=term --cov=$(pkg_src) tests
+
 .PHONY: tox
 tox:   ## Run tox
 	tox
diff --git a/pyproject.toml b/pyproject.toml
index 00f91ae..300b256 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -37,6 +37,14 @@ Source = "https://github.com/sysid/sse-starlette"
 [project.optional-dependencies]
 examples = ["fastapi"]
 
+[tool.pytest.ini_options]
+markers = [
+    "integration: marks tests as integration tests",
+    "e2e: marks tests as e2e tests, not to be run in CICD"
+]
+asyncio_mode = "auto"
+#addopts = "--cov=my_package --cov-report=term-missing"
+
 [tool.bumpversion]
 current_version = "2.0.0"
 commit = true
@@ -89,12 +97,6 @@ dev = [
     "psutil",
     "black>=23.11.0",
 ]
-[tool.pytest.ini_options]
-markers = [
-    "integration: marks tests as integration tests",
-]
-asyncio_mode = "auto"
-#addopts = "--cov=my_package --cov-report=term-missing"
 
 [tool.isort]
 multi_line_output = 3
diff --git a/tests/integration/test_multiple_consumers.py b/tests/integration/test_multiple_consumers.py
index f39c9b8..b322688 100644
--- a/tests/integration/test_multiple_consumers.py
+++ b/tests/integration/test_multiple_consumers.py
@@ -124,6 +124,7 @@ async def make_arequest(url, expected_lines=2):
 
 
 @pytest.mark.skipif(os.name == "nt", reason="Skip on Windows")
+@pytest.mark.e2e
 @pytest.mark.parametrize(
     ("server_command", "expected_lines"),
     [