diff --git a/.github/workflows/tests-on-push.yml b/.github/workflows/tests-on-push.yml
index 72e9364c9..586e80dac 100644
--- a/.github/workflows/tests-on-push.yml
+++ b/.github/workflows/tests-on-push.yml
@@ -22,11 +22,8 @@ jobs:
           submodules: recursive
 
       - name: Install poetry
-        # the latest poetry (1.5.0) is not compatible with the latest poetry-exec-plugin (0.3.5) 
-        # (see https://github.com/keattang/poetry-exec-plugin/issues/14). 
-        # As long as poetry-exec-plugin isn't fixed, we have to use poetry 1.4.2.
         run: | 
-          curl -sSL https://install.python-poetry.org | python3 - --version 1.4.2
+          curl -sSL https://install.python-poetry.org | python3 -
 
       - name: Set up Python 3.9
         uses: actions/setup-python@v4