diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index edb76d028..a05e18c6c 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -27,8 +27,34 @@ jobs:
 
       - name: Prepare thirdparty
         run: bash ./gradlew -b thirdparty_build.gradle downloadAndPatchDjvu downloadAndMakeMupdf
+
+      - name: Restore Native Libs
+        id: restore-nativeLibs
+        uses: actions/cache@v3
+        with:
+          path: |
+            orion-viewer/nativeLibs/djvu
+            orion-viewer/nativeLibs/mupdf
+          key: ${{ runner.os }}-native-${{ hashFiles('thirdparty_build.gradle') }}
+          restore-keys: |
+            ${{ runner.OS }}-native-
+
       - name: Build debug APK
         run: bash ./gradlew assembleDebug --stacktrace -Porion.CIBuild=true
+        if: steps.restore-nativeLibs.outputs.cache-hit != 'true'
+
+#      - name: Save Native Libs
+#        id: save-nativeLibs
+#        uses: actions/cache/store@v3
+#        if: steps.restore-nativeLibs.outputs.cache-hit != 'true'
+#        with:
+#          path: |
+#            orion-viewer/nativeLibs/djvu
+#            orion-viewer/nativeLibs/mupdf
+#          key: ${{ runner.os }}-native-${{ hashFiles('thirdparty_build.gradle') }}
+#          restore-keys: |
+#            ${{ runner.OS }}-native-
+
       - name: Read value from Properties-file
         id: read_version_property
         uses: christian-draeger/read-properties@1.0.1
@@ -75,6 +101,18 @@ jobs:
           java-version: 11
           distribution: corretto
 
+      - name: Restore Native Libs
+        id: restore-nativeLibs
+        uses: actions/cache@v3
+        with:
+          path: |
+            orion-viewer/nativeLibs/djvu
+            orion-viewer/nativeLibs/mupdf
+          key: ${{ runner.os }}-native-${{ hashFiles('thirdparty_build.gradle') }}
+          restore-keys: |
+            ${{ runner.OS }}-native-
+
+
       - name: Prepare thirdparty
         run: bash ./gradlew -b thirdparty_build.gradle downloadAndPatchDjvu downloadAndMakeMupdf