diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 63ff0db..1d49004 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -31,10 +31,6 @@ jobs:
       uses: actions/setup-python@v2
       with:
         python-version: ${{ matrix.python-version }}
-    - name: Install Python virtualenv for Github runner
-      run: |
-        python -m pip install --upgrade pip
-        pip install virtualenv
     - name: Start from clean state
       run: make clean
     - name: Run tests
diff --git a/dependencies/CASE-Examples-QC b/dependencies/CASE-Examples-QC
index 7a678bc..1a153c7 160000
--- a/dependencies/CASE-Examples-QC
+++ b/dependencies/CASE-Examples-QC
@@ -1 +1 @@
-Subproject commit 7a678bc0bb99b9a722b6e5ba4b05ec4cd7525bd3
+Subproject commit 1a153c73d5d7f66509650c5c9d453b852676a60a
diff --git a/tests/Makefile b/tests/Makefile
index 7857855..949f671 100644
--- a/tests/Makefile
+++ b/tests/Makefile
@@ -41,8 +41,7 @@ all: \
   $(top_srcdir)/setup.py \
   requirements.txt
 	rm -rf venv
-	$(PYTHON3) -m virtualenv \
-	  --python=$(PYTHON3) \
+	$(PYTHON3) -m venv \
 	  venv
 	source venv/bin/activate \
 	  && pip install \