diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 87e9ffc..5fe279e 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -32,7 +32,7 @@ jobs:
       with:
         python-version: '3.x'
     - name: Install poetry
-      uses: abatilo/actions-poetry@e78f54a89cb052fff327414dd9ff010b5d2b4dbd # v3.0.1
+      uses: abatilo/actions-poetry@3765cf608f2d4a72178a9fc5b918668e542b89b1 # v4.0.0
     - name: Run tests
       run: |
         poetry install --with test
diff --git a/action.yml b/action.yml
index 7fc54e9..000ee44 100644
--- a/action.yml
+++ b/action.yml
@@ -38,7 +38,7 @@ runs:
     with:
       python-version: '3.x'
   - name: Install poetry
-    uses: abatilo/actions-poetry@e78f54a89cb052fff327414dd9ff010b5d2b4dbd # v3.0.1
+    uses: abatilo/actions-poetry@3765cf608f2d4a72178a9fc5b918668e542b89b1 # v4.0.0
   - name: Install dependencies
     shell: bash
     working-directory: ./lfx-tac-actions