diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index b25ea3a0..f3e540a6 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -15,7 +15,6 @@ jobs:
     runs-on: ubuntu-latest
     outputs:
       robotmk_yaml_changed: ${{ steps.filter.outputs.robotmk_yaml }}
-      rcc_yaml_changed: ${{ steps.filter.outputs.rcc_yaml }}
     steps:
       - uses: actions/checkout@v4
       - uses: dorny/paths-filter@v2
@@ -24,29 +23,24 @@ jobs:
           filters: |
             robotmk_yaml:
               - '.github/workflows/robotmk_build.yaml'
-            rcc_yaml:
-              - '.github/workflows/rcc.yaml'
 
   tests:
     if: always()
     uses: ./.github/workflows/tests.yaml
 
-  system_tests:
-    if: always()
-    uses: ./.github/workflows/system_tests.yaml
-
   build_robotmk:
     needs:
       - analyse_changes
     if: ${{ needs.analyse_changes.outputs.robotmk_yaml_changed == 'true' }}
     uses: ./.github/workflows/robotmk_build.yaml
-  
+
   rcc:
-    needs:
-      - analyse_changes
-    if: ${{ needs.analyse_changes.outputs.rcc_yaml_changed == 'true' }}
     uses: ./.github/workflows/rcc.yaml
 
+  system_tests:
+    needs: rcc
+    uses: ./.github/workflows/system_tests.yaml
+
   check_success:
     if: always()
     runs-on: Ubuntu-latest
diff --git a/.github/workflows/rcc.yaml b/.github/workflows/rcc.yaml
index b82fd2ee..1e489d16 100644
--- a/.github/workflows/rcc.yaml
+++ b/.github/workflows/rcc.yaml
@@ -2,8 +2,7 @@
 name: "RCC"
 
 on:
-  workflow_call:
-    {}
+  workflow_call: {}
 
 env:
   RCC_TAG: "b18cdacf4cd9dbc1c921b2c0acc1ab9e7d02dae9"  # Update omd/Licenses.csv in the Checkmk repo when changing this.
@@ -60,7 +59,8 @@ jobs:
           path: build
           key: rcc-${{ env.RCC_TAG }}-${{ env.GO_VERSION }}-${{ env.RUBY_VERSION }}
           fail-on-cache-miss: true
-      - uses: actions/upload-artifact@v3
+      - uses: actions/upload-artifact@v4
         with:
-          path: build
+          name: rcc
+          path: build/
           if-no-files-found: error
diff --git a/.github/workflows/release.yaml b/.github/workflows/release.yaml
index fe57423a..b146a6ca 100644
--- a/.github/workflows/release.yaml
+++ b/.github/workflows/release.yaml
@@ -14,21 +14,24 @@ on:
 jobs:
   tests:
     uses: ./.github/workflows/tests.yaml
-  system_tests:
-      uses: ./.github/workflows/system_tests.yaml
-  build_rcc:
+  rcc:
     uses: ./.github/workflows/rcc.yaml
+  system_tests:
+    needs: rcc
+    uses: ./.github/workflows/system_tests.yaml
   build_robotmk:
     uses: ./.github/workflows/robotmk_build.yaml
   release:
     runs-on: ubuntu-latest
-    needs: [tests, system_tests, build_rcc, build_robotmk]
+    needs: [tests, system_tests, rcc, build_robotmk]
     steps:
       - uses: actions/checkout@v4 # Determines the ref, which is used for the
         # release. For setting a different ref, all `needs` jobs need to be
         # adjusted. Currently, everything uses the default branch.
 
-      - uses: actions/download-artifact@v3
+      - uses: actions/download-artifact@v4
+        with:
+          path: artifact/
 
       - run: zip -r executables.zip artifact
 
diff --git a/.github/workflows/robotmk_build.yaml b/.github/workflows/robotmk_build.yaml
index 81fd2247..585fea82 100644
--- a/.github/workflows/robotmk_build.yaml
+++ b/.github/workflows/robotmk_build.yaml
@@ -3,11 +3,9 @@ name: "Build Robotmk"
 
 on:
   workflow_call: {}
-
 jobs:
-  build_robotmk_from_source:
+  build_robotmk:
     runs-on: windows-latest
-
     steps:
       - uses: actions/checkout@v4
 
@@ -17,8 +15,9 @@ jobs:
 
       - run: cargo build --target=x86_64-pc-windows-gnu --release
 
-      - uses: actions/upload-artifact@v3
+      - uses: actions/upload-artifact@v4
         with:
+          name: rmk_windows64
           path: |
             ${{ github.workspace }}/target/x86_64-pc-windows-gnu/release/robotmk_scheduler.exe
             ${{ github.workspace }}/target/x86_64-pc-windows-gnu/release/robotmk_agent_plugin.exe
diff --git a/.github/workflows/system_tests.yaml b/.github/workflows/system_tests.yaml
index d9ebc55e..19920ab0 100644
--- a/.github/workflows/system_tests.yaml
+++ b/.github/workflows/system_tests.yaml
@@ -5,16 +5,12 @@ on:
   workflow_call: {}
 
 jobs:
-  rcc:
-    uses: ./.github/workflows/rcc.yaml
-
   test_scheduler:
     runs-on: windows-latest
-    needs:
-      - rcc
     steps:
-      - uses: actions/download-artifact@v3
+      - uses: actions/download-artifact@v4
         with:
+          name: rcc
           path: C:\
       - uses: actions/checkout@v4
       - uses: actions-rust-lang/setup-rust-toolchain@v1.5.0
@@ -23,8 +19,9 @@ jobs:
       - run: cargo test --target=x86_64-pc-windows-gnu --test test_scheduler -- --nocapture --ignored
         env:
           TEST_DIR: C:\test_scheduler
-          RCC_BINARY_PATH: C:\artifact\windows64\rcc.exe
+          RCC_BINARY_PATH: C:\rcc\windows64\rcc.exe
           RUN_FOR: 240
-      - uses: actions/upload-artifact@v3
+      - uses: actions/upload-artifact@v4
         with:
+          name: system_test_debug_information
           path: C:\test_scheduler