diff --git a/.github/workflows/dependabot-pr.yml b/.github/workflows/dependabot-pr.yml
index bdd62e81..46824832 100644
--- a/.github/workflows/dependabot-pr.yml
+++ b/.github/workflows/dependabot-pr.yml
@@ -19,7 +19,7 @@ jobs:
           ref: ${{ github.event.pull_request.head.ref }} # Check out the head of the actual branch, not the PR
           fetch-depth: 0 # otherwise, you will fail to push refs to dest repo
           token: ${{ secrets.DEPENDABOT_WORKFLOW_TOKEN }}
-      - uses: pyiron/actions/update-env-files@main
+      - uses: pyiron/actions/update-env-files@v3.2.1
       - name: UpdateDependabotPR commit
         run: |
           git config --local user.email "pyiron@mpie.de"
diff --git a/.github/workflows/pr-labeled.yml b/.github/workflows/pr-labeled.yml
index 8b9cfe1c..78873e03 100644
--- a/.github/workflows/pr-labeled.yml
+++ b/.github/workflows/pr-labeled.yml
@@ -43,10 +43,10 @@ jobs:
 
   tests-and-coverage:
     if: contains(github.event.pull_request.labels.*.name, 'run_coverage')
-    uses: pyiron/actions/.github/workflows/tests-and-coverage.yml@main
+    uses: pyiron/actions/.github/workflows/tests-and-coverage.yml@v3.2.1
     secrets: inherit
 
   code-ql:
     if: contains(github.event.pull_request.labels.*.name, 'run_CodeQL')
-    uses: pyiron/actions/.github/workflows/codeql.yml@main
+    uses: pyiron/actions/.github/workflows/codeql.yml@v3.2.1
     secrets: inherit
\ No newline at end of file
diff --git a/.github/workflows/push-pull.yml b/.github/workflows/push-pull.yml
index a5383929..d0b80ba8 100644
--- a/.github/workflows/push-pull.yml
+++ b/.github/workflows/push-pull.yml
@@ -182,11 +182,11 @@ jobs:
           ref: ${{ github.event.pull_request.head.ref }} # Check out the head of the actual branch, not the PR
           fetch-depth: 0 # otherwise, you will fail to push refs to dest repo
         if: ${{ inputs.do-commit-updated-env }}
-      - uses: pyiron/actions/write-docs-env@main
+      - uses: pyiron/actions/write-docs-env@v3.2.1
         with:
           env-files: ${{ inputs.docs-env-files }}
         if: ${{ inputs.do-commit-updated-env }}
-      - uses: pyiron/actions/write-environment@main
+      - uses: pyiron/actions/write-environment@v3.2.1
         with:
           env-files: ${{ inputs.notebooks-env-files }}
           output-env-file: .binder/environment.yml
@@ -213,7 +213,7 @@ jobs:
     runs-on: ${{ inputs.runner }}
     steps:
       - uses: actions/checkout@v4
-      - uses: pyiron/actions/build-docs@main
+      - uses: pyiron/actions/build-docs@v3.2.1
         with:
           python-version: ${{ inputs.python-version }}
           env-files: ${{ inputs.docs-env-files }}
@@ -224,7 +224,7 @@ jobs:
     runs-on: ${{ inputs.runner }}
     steps:
       - uses: actions/checkout@v4
-      - uses: pyiron/actions/build-notebooks@main
+      - uses: pyiron/actions/build-notebooks@v3.2.1
         with:
           python-version: ${{ inputs.python-version }}
           env-files: ${{ inputs.notebooks-env-files }}
@@ -261,11 +261,11 @@ jobs:
 
     steps:
     - uses: actions/checkout@v4
-    - uses: pyiron/actions/add-to-python-path@main
+    - uses: pyiron/actions/add-to-python-path@v3.2.1
       if: inputs.extra-python-paths != ''
       with:
         path-dirs: ${{ inputs.extra-python-paths }}
-    - uses: pyiron/actions/unit-tests@main
+    - uses: pyiron/actions/unit-tests@v3.2.1
       with:
         python-version: ${{ matrix.python-version }}
         env-files: ${{ inputs.tests-env-files }}
@@ -276,7 +276,7 @@ jobs:
   coveralls-and-codacy:
     needs: commit-updated-env
     if: ${{ inputs.do-coveralls || inputs.do-codacy }}
-    uses: pyiron/actions/.github/workflows/tests-and-coverage.yml@main
+    uses: pyiron/actions/.github/workflows/tests-and-coverage.yml@v3.2.1
     secrets: inherit
     with:
       tests-env-files: ${{ inputs.tests-env-files }}
@@ -295,7 +295,7 @@ jobs:
     runs-on: ${{ inputs.runner }}
     steps:
     - uses: actions/checkout@v4
-    - uses: pyiron/actions/unit-tests@main
+    - uses: pyiron/actions/unit-tests@v3.2.1
       with:
         python-version: ${{ inputs.python-version }}
         env-files: ${{ inputs.tests-env-files }}
@@ -308,11 +308,11 @@ jobs:
     runs-on: ${{ inputs.runner }}
     steps:
     - uses: actions/checkout@v4
-    - uses: pyiron/actions/add-to-python-path@main
+    - uses: pyiron/actions/add-to-python-path@v3.2.1
       if: inputs.extra-python-paths != ''
       with:
         path-dirs: ${{ inputs.extra-python-paths }}
-    - uses: pyiron/actions/unit-tests@main
+    - uses: pyiron/actions/unit-tests@v3.2.1
       with:
         python-version: ${{ inputs.alternate-tests-python-version }}
         env-files: ${{ inputs.alternate-tests-env-files }}
@@ -326,7 +326,7 @@ jobs:
     runs-on: ${{ inputs.runner }}
     steps:
       - uses: actions/checkout@v4
-      - uses: pyiron/actions/pip-check@main
+      - uses: pyiron/actions/pip-check@v3.2.1
         with:
           python-version: ${{ inputs.python-version }}
 
diff --git a/.github/workflows/pyproject-release.yml b/.github/workflows/pyproject-release.yml
index 905c54b7..1ac9857b 100644
--- a/.github/workflows/pyproject-release.yml
+++ b/.github/workflows/pyproject-release.yml
@@ -79,11 +79,11 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v4
-    - uses: pyiron/actions/cached-miniforge@main
+    - uses: pyiron/actions/cached-miniforge@v3.2.1
       with:
         python-version: ${{ inputs.python-version }}
         env-files: ${{ inputs.env-files }}
-    - uses: pyiron/actions/update-pyproject-dependencies@main
+    - uses: pyiron/actions/update-pyproject-dependencies@v3.2.1
       with:
         input-toml: ${{ inputs.input-toml }}
         lower-bound-yaml: ${{ inputs.lower-bound-yaml }}
diff --git a/.github/workflows/tests-and-coverage.yml b/.github/workflows/tests-and-coverage.yml
index 971f267a..eedd471f 100644
--- a/.github/workflows/tests-and-coverage.yml
+++ b/.github/workflows/tests-and-coverage.yml
@@ -64,11 +64,11 @@ jobs:
     runs-on: ${{ inputs.runner }}
     steps:
       - uses: actions/checkout@v4
-      - uses: pyiron/actions/add-to-python-path@main
+      - uses: pyiron/actions/add-to-python-path@v3.2.1
         if: inputs.extra-python-paths != ''
         with:
           path-dirs: ${{ inputs.extra-python-paths }}
-      - uses: pyiron/actions/unit-tests@main
+      - uses: pyiron/actions/unit-tests@v3.2.1
         with:
           python-version: ${{ inputs.python-version }}
           env-files: ${{ inputs.tests-env-files }}
diff --git a/README.md b/README.md
index 2f84c311..e5582367 100644
--- a/README.md
+++ b/README.md
@@ -119,7 +119,7 @@ on:
 
 jobs:
   pyiron:
-    uses: pyiron/actions/.github/workflows/push-pull.yml@main
+    uses: pyiron/actions/.github/workflows/push-pull.yml@v3.2.1
     secrets: inherit
 ```
 
diff --git a/build-docs/action.yml b/build-docs/action.yml
index 0339b7cc..ad234f20 100644
--- a/build-docs/action.yml
+++ b/build-docs/action.yml
@@ -21,11 +21,11 @@ inputs:
 runs:
   using: 'composite'
   steps:
-  - uses: pyiron/actions/cached-miniforge@main
+  - uses: pyiron/actions/cached-miniforge@v3.2.1
     with:
       python-version: ${{ inputs.python-version }}
       env-files: ${{ inputs.standard-docs-env-file }} ${{ inputs.env-files }}
-  - uses: pyiron/actions/pyiron-config@main
+  - uses: pyiron/actions/pyiron-config@v3.2.1
   - name: Build sphinx documentation
     shell: bash -l {0}
     run: |
diff --git a/build-notebooks/action.yml b/build-notebooks/action.yml
index cc44f01a..e9911bd1 100644
--- a/build-notebooks/action.yml
+++ b/build-notebooks/action.yml
@@ -24,11 +24,11 @@ inputs:
 runs:
   using: 'composite'
   steps:
-  - uses: pyiron/actions/cached-miniforge@main
+  - uses: pyiron/actions/cached-miniforge@v3.2.1
     with:
       python-version: ${{ inputs.python-version }}
       env-files: ${{ inputs.standard-notebooks-env-file }} ${{ inputs.env-files }}
-  - uses: pyiron/actions/pyiron-config@main
+  - uses: pyiron/actions/pyiron-config@v3.2.1
   - name: Build notebooks
     shell: bash -l {0}
     run: $GITHUB_ACTION_PATH/../.support/build_notebooks.sh ${{ inputs.notebooks-dir }} ${{ inputs.exclusion-file }}
\ No newline at end of file
diff --git a/cached-miniforge/action.yml b/cached-miniforge/action.yml
index 032da646..abf5db4c 100644
--- a/cached-miniforge/action.yml
+++ b/cached-miniforge/action.yml
@@ -66,7 +66,7 @@ inputs:
 runs:
   using: "composite"
   steps:
-  - uses: pyiron/actions/write-environment@main
+  - uses: pyiron/actions/write-environment@v3.2.1
     with:
       env-files: ${{ inputs.env-files }}
   - name: Env name backwards compatibility patch
diff --git a/pip-check/action.yml b/pip-check/action.yml
index b94825bd..0957a10a 100644
--- a/pip-check/action.yml
+++ b/pip-check/action.yml
@@ -13,7 +13,7 @@ inputs:
 runs:
   using: 'composite'
   steps:
-  - uses: pyiron/actions/cached-miniforge@main
+  - uses: pyiron/actions/cached-miniforge@v3.2.1
     with:
       python-version: ${{ inputs.python-version }}
       env-files: ${{ inputs.env-files }}
diff --git a/unit-tests/action.yml b/unit-tests/action.yml
index e3dd9761..f07a37a2 100644
--- a/unit-tests/action.yml
+++ b/unit-tests/action.yml
@@ -35,11 +35,11 @@ inputs:
 runs:
   using: 'composite'
   steps:
-  - uses: pyiron/actions/cached-miniforge@main
+  - uses: pyiron/actions/cached-miniforge@v3.2.1
     with:
       python-version: ${{ inputs.python-version }}
       env-files: ${{ inputs.standard-unittests-env-file }} ${{ inputs.coveralls-codacy-env-file }} ${{ inputs.env-files }}
-  - uses: pyiron/actions/pyiron-config@main
+  - uses: pyiron/actions/pyiron-config@v3.2.1
   - name: Test
     shell: bash -l {0}
     run: |