diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index efb0ae6..937a14b 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -1,6 +1,6 @@
 name: Lint
 
-on: [push, pull_request]
+on: [push]
 
 concurrency:
   group: ${{ github.workflow }}-${{ github.ref_name }}
@@ -13,9 +13,17 @@ env:
 jobs:
   pre-commit:
     runs-on: ubuntu-22.04
+    container:
+      image: movesrwth/stormpy:ci-debug
     steps:
       - uses: actions/checkout@v4
 
+      - name: Install dependencies
+        run: |
+          apt-get update
+          apt-get -y install curl
+          apt-get -y install git
+
       - name: Configure Python
         uses: actions/setup-python@v5
         with:
@@ -28,19 +36,14 @@ jobs:
           virtualenvs-create: true
           virtualenvs-in-project: true
 
-      - name: Load cached venv
-        id: cached-poetry-dependencies
-        uses: actions/cache@v4
-        with:
-          path: .venv
-          key: venv-${{ runner.os }}-v1-${{ hashFiles('**/poetry.lock') }}
+      - name: Load existing venv
+        run: poetry env use /opt/venv/bin/python
 
       - name: Install dependencies
-        if: steps.cached-poetry-dependencies.outputs.cache-hit != 'true'
-        run: poetry install --no-root --only main,test
+        run: poetry install
 
-      - name: Install pre-commit
-        run: pip install pre-commit==${{ env.PRECOMMIT_VERSION }}
+      - name: Git thinks the directories are sus
+        run: git config --global --add safe.directory '*'
 
       - name: Cache pre-commit
         uses: actions/cache@v4
@@ -49,4 +52,4 @@ jobs:
           key: precommit-${{ hashFiles('.pre-commit-config.yaml') }}
 
       - name: Run pre-commit
-        run: pre-commit run --all-files
+        run: poetry run pre-commit run --all-files
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index bb941fe..17ebae5 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -1,6 +1,6 @@
 name: Test
 
-on: [push, pull_request]
+on: [push]
 
 concurrency:
   group: ${{ github.workflow }}-${{ github.ref_name }}
@@ -13,9 +13,17 @@ env:
 jobs:
   test:
     runs-on: ubuntu-22.04
+    container:
+      image: movesrwth/stormpy:ci-debug
     steps:
       - uses: actions/checkout@v4
 
+      - name: Install dependencies
+        run: |
+          apt-get update
+          apt-get -y install curl
+          apt-get -y install git
+
       - name: Configure Python
         uses: actions/setup-python@v5
         with:
@@ -28,16 +36,11 @@ jobs:
           virtualenvs-create: true
           virtualenvs-in-project: true
 
-      - name: Load cached venv
-        id: cached-poetry-dependencies
-        uses: actions/cache@v4
-        with:
-          path: .venv
-          key: venv-${{ runner.os }}-v1-${{ hashFiles('**/poetry.lock') }}
+      - name: Load existing venv
+        run: poetry env use /opt/venv/bin/python
 
       - name: Install dependencies
-        if: steps.cached-poetry-dependencies.outputs.cache-hit != 'true'
-        run: poetry install --no-root --only main,test
+        run: poetry install
 
-      - name: Install library
-        run: poetry install --only main,test
+      - name: Run tests
+        run: poetry run pytest