diff --git a/.github/workflows/key4hep.yml b/.github/workflows/key4hep.yml
index 4db8fa757..0e45e7590 100644
--- a/.github/workflows/key4hep.yml
+++ b/.github/workflows/key4hep.yml
@@ -1,6 +1,11 @@
 name: key4hep
 
-on: [push, pull_request]
+on:
+  push:
+  pull_request:
+  workflow_dispatch:
+  schedule:
+    - cron: 16 4 * * 1
 
 jobs:
   linux:
@@ -10,29 +15,46 @@ jobs:
       matrix:
         release: ["sw.hsf.org/key4hep",
                   "sw-nightlies.hsf.org/key4hep"]
-        container_os: [el9, ubuntu2204]
+        container_os: [el9]
+        include:
+          - release: "sw-nightlies.hsf.org/key4hep"
+            container_os: ubuntu2404
     steps:
-    - uses: actions/checkout@v3
-    - uses: cvmfs-contrib/github-action-cvmfs@v3
-    - uses: aidasoft/run-lcg-view@v4
+    - uses: actions/checkout@v5
+      with:
+        path: lcio
+    - uses: cvmfs-contrib/github-action-cvmfs@v5
+    - uses: aidasoft/run-lcg-view@v5
       with:
         container: ${{ matrix.container_os }}
         view-path: /cvmfs/${{ matrix.release }}
+        ccache-key: ccache-key4hep-${{ matrix.container_os }}-${{ matrix.release }}
         run: |
+          STARTDIR=$(pwd)
+          cd $STARTDIR/lcio
           mkdir build install
           cd build
           cmake -DCMAKE_CXX_STANDARD=20 \
             -DBUILD_ROOTDICT=ON \
             -DCMAKE_CXX_FLAGS="-fdiagnostics-color=always -Werror " \
             -DCMAKE_INSTALL_PREFIX=../install \
+            -DCMAKE_CXX_COMPILER_LAUNCHER=ccache \
             ..
           make -k
-          make install
           ctest --output-on-failure
+          make install
           echo "::group::Test downstream build"
           cd -
           export CMAKE_PREFIX_PATH=$PWD/install:$CMAKE_PREFIX_PATH
           cd tests/downstream-project-cmake-test
           mkdir build && cd build
-          cmake .. -DCMAKE_CXX_STANDARD=20
+          cmake .. -DCMAKE_CXX_STANDARD=20 \
+            -DCMAKE_CXX_COMPILER_LAUNCHER=ccache
           make -k
+          echo "::group::Test python bindings"
+          cd $STARTDIR/lcio
+          cd install && source ../setup.sh
+          cd ../
+          rm -r $(ls | grep -v install)
+          python $LCIO/python/examples/EventBuilder.py test.slcio 1
+          python $LCIO/python/examples/readMCParticles.py test.slcio
diff --git a/.github/workflows/linux.yml b/.github/workflows/linux.yml
index 2f2792b99..238a87e35 100644
--- a/.github/workflows/linux.yml
+++ b/.github/workflows/linux.yml
@@ -14,11 +14,12 @@ jobs:
               "LCG_102/x86_64-centos7-clang12-opt",
               "LCG_102/x86_64-ubuntu2004-gcc9-opt"]
     steps:
-    - uses: actions/checkout@v3
-    - uses: cvmfs-contrib/github-action-cvmfs@v3
-    - uses: aidasoft/run-lcg-view@v4
+    - uses: actions/checkout@v5
+    - uses: cvmfs-contrib/github-action-cvmfs@v5
+    - uses: aidasoft/run-lcg-view@v5
       with:
         release-platform: ${{ matrix.LCG }}
+        ccache-key: ccache-${{ matrix.LCG }}
         run: |
           mkdir build install
           cd build
@@ -26,6 +27,7 @@ jobs:
             -DBUILD_ROOTDICT=ON \
             -DCMAKE_CXX_FLAGS="-fdiagnostics-color=always -Werror" \
             -DCMAKE_INSTALL_PREFIX=../install \
+            -DCMAKE_CXX_COMPILER_LAUNCHER=ccache \
             ..
           make -k
           make install
@@ -39,5 +41,6 @@ jobs:
           export CMAKE_PREFIX_PATH=$PWD/install:$CMAKE_PREFIX_PATH
           cd tests/downstream-project-cmake-test
           mkdir build && cd build
-          cmake .. -DCMAKE_CXX_STANDARD=17
+          cmake .. -DCMAKE_CXX_STANDARD=17 \
+            -DCMAKE_CXX_COMPILER_LAUNCHER=ccache
           make -k
diff --git a/.github/workflows/python_bindings.yml b/.github/workflows/python_bindings.yml
index 1f0ea9028..17a67a0a4 100644
--- a/.github/workflows/python_bindings.yml
+++ b/.github/workflows/python_bindings.yml
@@ -9,11 +9,12 @@ jobs:
       fail-fast: false
 
     steps:
-      - uses: actions/checkout@v3
-      - uses: cvmfs-contrib/github-action-cvmfs@v3
-      - uses: aidasoft/run-lcg-view@v4
+      - uses: actions/checkout@v5
+      - uses: cvmfs-contrib/github-action-cvmfs@v5
+      - uses: aidasoft/run-lcg-view@v5
         with:
           release-platform: "LCG_101/x86_64-centos7-gcc10-opt"
+          ccache-key: ccache-python_bindings
           run: |
             mkdir build install
             cd build