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diff --git a/.github/workflows/tests-ubuntu.yml b/.github/workflows/tests-ubuntu.yml
index dbf95fb4..08f718cd 100644
--- a/.github/workflows/tests-ubuntu.yml
+++ b/.github/workflows/tests-ubuntu.yml
@@ -16,7 +16,7 @@ jobs:
     steps:
     - uses: actions/checkout@v2
     - name: install dependencies
-      run: pip install -r requirements.txt
+      run: pip install --upgrade -r requirements.txt
     - name: fetch upstream cheat sheets
       run: python lib/fetch.py fetch-all
     - name: run tests
