diff --git a/.github/workflows/ci-server.yml b/.github/workflows/ci-server.yml
index 21220a9c1..c43a727bb 100644
--- a/.github/workflows/ci-server.yml
+++ b/.github/workflows/ci-server.yml
@@ -42,7 +42,7 @@ jobs:
 
     - name: Install poetry
       run: |
-        pip install poetry
+        pip install -U 'poetry>=1.8,<1.9'
         poetry config virtualenvs.create false
 
     - name: Install dependencies