diff --git a/.github/workflows/tests.yaml b/.github/workflows/tests.yaml
index 2d2fd4fc..4b5a75d0 100644
--- a/.github/workflows/tests.yaml
+++ b/.github/workflows/tests.yaml
@@ -35,7 +35,7 @@ jobs:
         with:
           path: ~/.cache/pip
           key: pip|${{ hashFiles('setup.py') }}|${{ hashFiles('tox.ini') }}
-      - run: pip install tox poetry coveralls pyyaml tomli
+      - run: pip install --upgrade tox "poetry>1.3.0" coveralls pyyaml tomli
       - run: tox -e py
   style:
     runs-on: ubuntu-latest
@@ -56,7 +56,7 @@ jobs:
         with:
           path: ~/.cache/pre-commit
           key: pre-commit|${{ hashFiles('.pre-commit-config.yaml') }}
-      - run: pip install tox poetry coveralls pyyaml tomli
+      - run: pip install --upgrade tox "poetry>1.3.0" coveralls pyyaml tomli
       - run: tox -e style
   doc:
     runs-on: ubuntu-latest
@@ -73,5 +73,5 @@ jobs:
         with:
           path: ~/.cache/pip
           key: pip|${{ hashFiles('setup.py') }}|${{ hashFiles('tox.ini') }}
-      - run: pip install tox poetry coveralls pyyaml tomli
+      - run: pip install --upgrade tox "poetry>1.3.0" coveralls pyyaml tomli
       - run: tox -e doc
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index e3fc4e80..f6c7fdb9 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -11,7 +11,7 @@ before_script:
   - env DEBIAN_FRONTEND=noninteractive apt install --yes slapd python3-dev libldap2-dev libsasl2-dev libssl-dev ldap-utils
   - curl -O https://bootstrap.pypa.io/get-pip.py
   - python get-pip.py
-  - pip install tox poetry coveralls pyyaml tomli
+  - pip install --upgrade tox "poetry>1.3.0" coveralls pyyaml tomli
 
 style:
   image: python:3.11