diff --git a/.github/workflows/test-suite.yml b/.github/workflows/test-suite.yml
index af46429..0e75f26 100644
--- a/.github/workflows/test-suite.yml
+++ b/.github/workflows/test-suite.yml
@@ -16,29 +16,26 @@ concurrency:
 jobs:
   linux-build-and-test:
     name: "Linux"
-    uses: pronovic/gha-shared-workflows/.github/workflows/poetry-build-and-test.yml@v4
+    uses: pronovic/gha-shared-workflows/.github/workflows/poetry-build-and-test.yml@v5
     secrets: inherit
     with:
       matrix-os-version: "[ 'ubuntu-latest' ]"
       matrix-python-version: "[ '3.9', '3.10', '3.11', '3.12' ]"  # run Linux tests on all supported Python versions
-      poetry-version: "1.8.0"
       enable-coveralls: true  # only report to coveralls.io for tests that run on Linux
   macos-build-and-test:
     name: "MacOS"
-    uses: pronovic/gha-shared-workflows/.github/workflows/poetry-build-and-test.yml@v4
+    uses: pronovic/gha-shared-workflows/.github/workflows/poetry-build-and-test.yml@v5
     secrets: inherit
     with:
       matrix-os-version: "[ 'macos-latest' ]"
       matrix-python-version: "[ '3.12' ]"  # only run MacOS tests on latest Python
-      poetry-version: "1.8.0"
       enable-coveralls: false 
   release:
     name: "Release"
     if: github.ref_type == 'tag'
-    uses: pronovic/gha-shared-workflows/.github/workflows/poetry-release.yml@v4
+    uses: pronovic/gha-shared-workflows/.github/workflows/poetry-release.yml@v5
     needs: [ linux-build-and-test, macos-build-and-test ]
     secrets: inherit
     with:
       python-version: "3.9"
-      poetry-version: "1.8.0"
       publish-pypi: true