diff --git a/.gitea/workflows/main.yaml b/.gitea/workflows/main.yaml
index 7e39e6b..8923552 100644
--- a/.gitea/workflows/main.yaml
+++ b/.gitea/workflows/main.yaml
@@ -6,8 +6,32 @@ on:
       - main
 
 jobs:
+  detect-changes:
+    name: Erkenne relevante Code-Änderungen
+    runs-on: ubuntu-latest
+    outputs:
+      code_changed: ${{ steps.filter.outputs.code }}
+    steps:
+      - name: Checkout Repository
+        uses: actions/checkout@v7
+
+      - name: Prüfe auf Änderungen am Programmcode
+        uses: dorny/paths-filter@v4
+        id: filter
+        with:
+          filters: |
+            code:
+              - 'src/**'
+              - 'Cargo.toml'
+              - 'Cargo.lock'
+              - 'scripts/**'
+              - '.cargo/**'
+              - '.gitea/workflows/main.yaml'
+
   release-and-publish:
     name: Build, Publish Crate to Gitea Registry & Create Release
+    needs: detect-changes
+    if: needs.detect-changes.outputs.code_changed == 'true'
     runs-on: ubuntu-latest
     steps:
       - name: Checkout Repository
diff --git a/.gitea/workflows/testing.yaml b/.gitea/workflows/testing.yaml
index 328ca4f..44e60dd 100644
--- a/.gitea/workflows/testing.yaml
+++ b/.gitea/workflows/testing.yaml
@@ -6,8 +6,32 @@ on:
       - testing
 
 jobs:
+  detect-changes:
+    name: Erkenne relevante Code-Änderungen
+    runs-on: ubuntu-latest
+    outputs:
+      code_changed: ${{ steps.filter.outputs.code }}
+    steps:
+      - name: Checkout Repository
+        uses: actions/checkout@v7
+
+      - name: Prüfe auf Änderungen am Programmcode
+        uses: dorny/paths-filter@v4
+        id: filter
+        with:
+          filters: |
+            code:
+              - 'src/**'
+              - 'Cargo.toml'
+              - 'Cargo.lock'
+              - 'scripts/**'
+              - '.cargo/**'
+              - '.gitea/workflows/testing.yaml'
+
   build-and-preview:
     name: Build, Check & Create Preview Release
+    needs: detect-changes
+    if: needs.detect-changes.outputs.code_changed == 'true'
     runs-on: ubuntu-latest
     steps:
       - name: Checkout Repository