diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 843a21a..2c65e7e 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -105,6 +105,7 @@ jobs:
       run: |
         python -m pip install --upgrade pip
         pip install poetry
+        poetry install
 
     - name: Build wheels and source tarball
       run: |
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 87de6ca..0b520ec 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -37,6 +37,7 @@ jobs:
       run: |
         python -m pip install --upgrade pip
         pip install poetry
+        poetry install
 
     - name: Push tag
       run: |