diff --git a/.github/workflows/publish-to-test-pypi.yml b/.github/workflows/publish-to-test-pypi.yml
index 4a397a2..52740b2 100644
--- a/.github/workflows/publish-to-test-pypi.yml
+++ b/.github/workflows/publish-to-test-pypi.yml
@@ -26,10 +26,19 @@ jobs:
 
       - name: Build a binary wheel and a source tarball
         run: |
-          export PYTHON_MOIRA_CLIENT_VERSION=`echo ${GITHUB_REF_NAME} \
+          VERSION_TAG=`echo ${GITHUB_REF_NAME} \
             | sed -r 's#v([0-9]+\.[0-9]\.[0-9])#\1#g' \
             | sed 's#[^a-zA-Z0-9_\.\-]#_#g'` 
-          echo $PYTHON_MOIRA_CLIENT_VERSION
+          echo "tag version = $VERSION_TAG"
+
+          VERSION_FILE=$(echo 'import version; print(version.VERSION)' | python -)
+          echo "file version = $VERSION_FILE"
+
+          if [ "$VERSION_TAG" != "$VERSION_FILE" ]; then
+            echo "Version in file 'version.py' must be the same as the pushed tag"
+            exit 1
+          fi
+
           python -m build --sdist --wheel --outdir dist/
 #     make this available for test
 #      - name: Publish distribution 📦 to Test PyPI
diff --git a/setup.py b/setup.py
index b35061c..5c6f230 100644
--- a/setup.py
+++ b/setup.py
@@ -1,12 +1,12 @@
 from distutils.core import setup
-import os
+from version import VERSION
 
 with open('requirements.txt') as f:
     required = f.read().splitlines()
 
 setup(
     name='moira-python-client',
-    version=os.environ['PYTHON_MOIRA_CLIENT_VERSION'],
+    version=VERSION,
     description='Client for Moira - Alerting system based on Graphite data',
     keywords='moira monitoring client metrics alerting',
     long_description="""
diff --git a/version.py b/version.py
new file mode 100644
index 0000000..09c37f6
--- /dev/null
+++ b/version.py
@@ -0,0 +1 @@
+VERSION='4.1.2'
\ No newline at end of file