diff --git a/.github/workflows/ci_pr.yml b/.github/workflows/ci_pr.yml
index 873c84e..3e0efce 100644
--- a/.github/workflows/ci_pr.yml
+++ b/.github/workflows/ci_pr.yml
@@ -21,7 +21,7 @@ jobs:
 
       - name: Install dependencies
         run: |
-          pip install "poetry~=1.4.0"
+          pip install "poetry~=1.6.1"
           poetry config virtualenvs.in-project true
 
       - name: Cache the virtualenv