diff --git a/.github/workflows/compat.yaml b/.github/workflows/compat.yaml
index 03fb54eb..7d1101e5 100644
--- a/.github/workflows/compat.yaml
+++ b/.github/workflows/compat.yaml
@@ -23,6 +23,13 @@ jobs:
           git config --global user.email "ci@mrcyjanek.net"
           git config --global user.name "CI mrcyjanek.net"
           ./apply_patches.sh ${{ matrix.coin }}
+      - name: Cache Externals
+        uses: actions/cache@v4
+        with:
+          path: |
+            ${{ matrix.coin }}/contrib/depends/sources
+            ${{ matrix.coin }}/contrib/depends/built
+          key: depends-${{ github.job }}-${{ matrix.coin }}-${{ hashFiles('patches/*/*.patch') }}
       - name: ${{ matrix.coin }}/x86_64-w64-mingw32
         run: ./build_single.sh ${{ matrix.coin }} x86_64-w64-mingw32 -j$(nproc)
       - name: ${{ matrix.coin }}/i686-w64-mingw32
@@ -67,6 +74,13 @@ jobs:
           git config --global user.email "ci@mrcyjanek.net"
           git config --global user.name "CI mrcyjanek.net"
           ./apply_patches.sh ${{ matrix.coin }}
+      - name: Cache Externals
+        uses: actions/cache@v4
+        with:
+          path: |
+            ${{ matrix.coin }}/contrib/depends/sources
+            ${{ matrix.coin }}/contrib/depends/built
+          key: depends-${{ github.job }}-${{ matrix.coin }}-${{ hashFiles('patches/*/*.patch') }}
       - name: ${{ matrix.coin }}/x86_64-linux-android
         run: ./build_single.sh ${{ matrix.coin }} x86_64-linux-android -j$(nproc)
       - name: ${{ matrix.coin }}/aarch64-linux-android
@@ -113,6 +127,13 @@ jobs:
           git config --global user.email "ci@mrcyjanek.net"
           git config --global user.name "CI mrcyjanek.net"
           ./apply_patches.sh ${{ matrix.coin }}
+      - name: Cache Externals
+        uses: actions/cache@v4
+        with:
+          path: |
+            ${{ matrix.coin }}/contrib/depends/sources
+            ${{ matrix.coin }}/contrib/depends/built
+          key: depends-${{ github.job }}-${{ matrix.coin }}-${{ hashFiles('patches/*/*.patch') }}
       - name: ${{ matrix.coin }}/x86_64-linux-gnu
         run: ./build_single.sh ${{ matrix.coin }} x86_64-linux-gnu -j$(nproc)
       - name: ${{ matrix.coin }}/aarch64-linux-gnu
@@ -141,7 +162,7 @@ jobs:
     strategy:
       matrix:
         coin: [monero, wownero]
-    runs-on: buildjet-4vcpu-ubuntu-2204-arm
+    runs-on: buildjet-8vcpu-ubuntu-2204-arm
     steps:
       - name: Set up QEMU
         uses: docker/setup-qemu-action@v3
@@ -155,6 +176,20 @@ jobs:
           git config --global user.email "ci@mrcyjanek.net"
           git config --global user.name "CI mrcyjanek.net"
           ./apply_patches.sh ${{ matrix.coin }}
+      - name: Cache Externals
+        uses: actions/cache@v4
+        with:
+          path: |
+            ${{ matrix.coin }}/contrib/depends/sources
+            ${{ matrix.coin }}/contrib/depends/built
+          key: depends-${{ github.job }}-${{ matrix.coin }}-${{ hashFiles('patches/*/*.patch') }}
+      - name: Cache Externals
+        uses: actions/cache@v4
+        with:
+          path: |
+            ${{ matrix.coin }}/contrib/depends/sources
+            ${{ matrix.coin }}/contrib/depends/built
+          key: depends-${{ github.job }}-${{ matrix.coin }}-${{ hashFiles('patches/*/*.patch') }}
       - name: ${{ matrix.coin }}/aarch64-meego-linux-gnu
         run: |
           docker run --rm -v $PWD:$PWD -w $PWD ghcr.io/mrcyjanek/sailfishos:4.6.0.11_target_aarch64 bash -c 'zypper in -f -y perl-IPC-Cmd curl ccache gperf cmake ffmpeg-tools git clang libxkbcommon-devel wayland-protocols-devel wayland-client wayland-egl-devel make glibc-static && git config --global --add safe.directory "*" && for i in gcc g++ ar ranlib; do ln -s /usr/bin/$i /usr/bin/aarch64-meego-linux-gnu-$i; ln -s /usr/bin/$i /usr/bin/aarch64-linux-gnu-$i; done && ./build_single.sh ${{ matrix.coin }} aarch64-meego-linux-gnu -j$(nproc)'
@@ -192,6 +227,13 @@ jobs:
           git config --global user.email "ci@mrcyjanek.net"
           git config --global user.name "CI mrcyjanek.net"
           ./apply_patches.sh ${{ matrix.coin }}
+      - name: Cache Externals
+        uses: actions/cache@v4
+        with:
+          path: |
+            ${{ matrix.coin }}/contrib/depends/sources
+            ${{ matrix.coin }}/contrib/depends/built
+          key: depends-${{ github.job }}-${{ matrix.coin }}-${{ hashFiles('patches/*/*.patch') }}
       - name: ${{ matrix.coin }}/aarch64-meego-linux-gnu
         run: |
           docker run --rm -v $PWD:$PWD -w $PWD ghcr.io/mrcyjanek/sailfishos:4.6.0.11_target_i486 bash -c 'zypper in -f -y perl-IPC-Cmd curl ccache gperf cmake ffmpeg-tools git clang libxkbcommon-devel wayland-protocols-devel wayland-client wayland-egl-devel make glibc-static && git config --global --add safe.directory "*" && for i in gcc g++ ar ranlib; do ln -s /usr/bin/$i /usr/bin/i686-linux-gnu-$i; ln -s /usr/bin/$i /usr/bin/i686-meego-linux-gnu-$i; done && ./build_single.sh ${{ matrix.coin }} i686-meego-linux-gnu -j$(nproc)'
@@ -236,6 +278,13 @@ jobs:
           git config --global user.name "CI mrcyjanek.net"
           ./apply_patches.sh monero
           ./apply_patches.sh wownero
+      - name: Cache Externals
+        uses: actions/cache@v4
+        with:
+          path: |
+            ${{ matrix.coin }}/contrib/depends/sources
+            ${{ matrix.coin }}/contrib/depends/built
+          key: depends-${{ github.job }}-${{ matrix.coin }}-${{ hashFiles('patches/*/*.patch') }}
       - name: ${{ matrix.coin }}/x86_64-apple-darwin11
         run: ./build_single.sh ${{ matrix.coin }} x86_64-apple-darwin11 -j$(nproc)
       - name: ${{ matrix.coin }}/aarch64-apple-darwin11
@@ -283,6 +332,13 @@ jobs:
           git config --global user.email "ci@mrcyjanek.net"
           git config --global user.name "CI mrcyjanek.net"
           ./apply_patches.sh ${{ matrix.coin }}
+      - name: Cache Externals
+        uses: actions/cache@v4
+        with:
+          path: |
+            ${{ matrix.coin }}/contrib/depends/sources
+            ${{ matrix.coin }}/contrib/depends/built
+          key: depends-${{ github.job }}-${{ matrix.coin }}-${{ hashFiles('patches/*/*.patch') }}
       - name: build
         run: |
           ./build_single.sh ${{ matrix.coin }} aarch64-host-apple-darwin -j$(sysctl -n hw.logicalcpu) 
@@ -329,6 +385,13 @@ jobs:
           git config --global user.email "ci@mrcyjanek.net"
           git config --global user.name "CI mrcyjanek.net"
           ./apply_patches.sh ${{ matrix.coin }}
+      - name: Cache Externals
+        uses: actions/cache@v4
+        with:
+          path: |
+            ${{ matrix.coin }}/contrib/depends/sources
+            ${{ matrix.coin }}/contrib/depends/built
+          key: depends-${{ github.job }}-${{ matrix.coin }}-${{ hashFiles('patches/*/*.patch') }}
       - name: build
         run: |
           ./build_single.sh ${{ matrix.coin }} host-apple-ios -j$(sysctl -n hw.logicalcpu)