diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index a7464b3..74a9bb9 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -31,9 +31,9 @@ jobs:
     - name: Lint with flake8
       run: |
         # stop the build if there are Python syntax errors or undefined names
-        flake8 . --count --select=E9,F63,F7,F82 --show-source --statistics --ignore=E123,E221,E226,E302,E41,E701
+        flake8 py34 --count --select=E9,F63,F7,F82 --show-source --statistics --ignore=E123,E221,E226,E302,E41,E701
         # exit-zero treats all errors as warnings. The GitHub editor is 127 chars wide
-        flake8 . --count --exit-zero --max-complexity=10 --max-line-length=127 --statistics --ignore=E123,E221,E226,E302,E41,E701
+        flake8 py34 --count --exit-zero --max-complexity=10 --max-line-length=127 --statistics --ignore=E123,E221,E226,E302,E41,E701
     - name: Test with pytest
       run: |
         pytest -v
\ No newline at end of file