diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 80880757de..0f2f4123fc 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -536,6 +536,13 @@ jobs:
     - name: Run Python unit tests (Ubuntu ${{ matrix.UbuntuVersion }})
       timeout-minutes: 30
       run: docker exec mlos-build-python-${{ matrix.UbuntuVersion }} make python-test
+    - name: Upload coverage to codecov
+      if: ${{ github.repository == 'microsoft/mlos' }}
+      uses: codecov/codecov-action@v1
+      with:
+        file: ./coverage.xml
+        flags: unittests
+        fail_ci_if_error: true
     - name: Cleanup docker instance for Ubuntu ${{ matrix.UbuntuVersion }}
       shell: bash
       run: |
diff --git a/Dockerfile b/Dockerfile
index 6fc52639ba..059b02c06f 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -174,6 +174,7 @@ RUN python3.7 -m pip install pip && \
 
 COPY ./source/Mlos.Python/requirements.txt /tmp/
 RUN python3.7 -m pip install -r /tmp/requirements.txt
+RUN python3.7 -m pip install pytest-cov
 
 # Expose the typical port that we start mlos microservice optimizer on by default.
 EXPOSE 50051/tcp
diff --git a/README.md b/README.md
index 0a5ec03543..5476de11cf 100644
--- a/README.md
+++ b/README.md
@@ -1,3 +1,5 @@
+[![codecov](https://codecov.io/gh/microsoft/MLOS/branch/main/graph/badge.svg?token=14T6RFL2KR)](https://codecov.io/gh/microsoft/MLOS)
+
 # MLOS: Machine Learning Optimized Systems
 
 ## MLOS: An Infrastructure for Automated Software Performance Engineering
diff --git a/codecov.yml b/codecov.yml
new file mode 100644
index 0000000000..69cb76019a
--- /dev/null
+++ b/codecov.yml
@@ -0,0 +1 @@
+comment: false
diff --git a/scripts/run-python-tests.sh b/scripts/run-python-tests.sh
index be361ff624..6674070135 100755
--- a/scripts/run-python-tests.sh
+++ b/scripts/run-python-tests.sh
@@ -10,4 +10,4 @@ set -eu
 scriptdir=$(readlink -f "$(dirname "$0")")
 cd "$scriptdir/.."
 
-pytest -svxl source/Mlos.Python $*
+pytest -svxl source/Mlos.Python --cov=mlos --cov-report=xml $*