diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 31fde3b1d..21b3096d3 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -17,8 +17,8 @@ jobs:
         plugins:
         - default
         include:
-        - os: ubuntu-20.04
-          gcc: 11
+        - os: ubuntu-22.04
+          gcc: 12
           plugins: all
     steps:
     - name: Set up Python 3
@@ -56,6 +56,7 @@ jobs:
         echo "::set-output name=df_version::${DF_VERSION}"
         echo "DF_VERSION=${DF_VERSION}" >> $GITHUB_ENV
         echo "DF_FOLDER=${HOME}/DF/${DF_VERSION}/df_linux" >> $GITHUB_ENV
+        echo "CCACHE_DIR=${HOME}/.ccache" >> $GITHUB_ENV
     - name: Fetch DF cache
       uses: actions/cache@v2
       with:
@@ -87,10 +88,13 @@ jobs:
           -DBUILD_SIZECHECK:BOOL=${{ matrix.plugins == 'all' }} \
           -DBUILD_STONESENSE:BOOL=${{ matrix.plugins == 'all' }} \
           -DBUILD_SUPPORTED:BOOL=1 \
+          -DCMAKE_C_COMPILER_LAUNCHER=ccache \
+          -DCMAKE_CXX_COMPILER_LAUNCHER=ccache \
           -DCMAKE_INSTALL_PREFIX="$DF_FOLDER"
     - name: Build DFHack
       run: |
         ninja -C build-ci install
+        ccache --show-stats
     - name: Run tests
       id: run_tests
       run: |
diff --git a/plugins/stonesense b/plugins/stonesense
index 290862549..841803ca6 160000
--- a/plugins/stonesense
+++ b/plugins/stonesense
@@ -1 +1 @@
-Subproject commit 2908625499accc4899e9a9f0e999c95be26ce14d
+Subproject commit 841803ca6f173f4d97eea376b4dcd512336e35e2