diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 5a428645..90d97014 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -63,6 +63,11 @@ jobs:
       with:
         submodules: true
 
+    - name: ccache
+      uses: hendrikmuhs/ccache-action@v1.2
+      with:
+        key: ${{ matrix.gcc_ver }}
+
     - name: Create LFS file hash list
       run: git -C third_party/silabs/gecko_sdk lfs ls-files -l | cut -d' ' -f1 | sort > .lfs-assets-id
 
diff --git a/script/bootstrap b/script/bootstrap
index e2694c2c..9b64de4a 100755
--- a/script/bootstrap
+++ b/script/bootstrap
@@ -48,6 +48,7 @@ install_packages_apt()
     # Install dependencies
     sudo apt-get update
     apt_packages=(
+        ccache
         coreutils
         git
         git-lfs
@@ -77,6 +78,7 @@ install_packages_brew()
     echo 'Installing script dependencies...'
 
     brew_packages=(
+        ccache
         coreutils
         git
         git-lfs
diff --git a/script/build b/script/build
index 7793bc41..488f225d 100755
--- a/script/build
+++ b/script/build
@@ -220,7 +220,9 @@ build_soc()
         -DOT_APP_RCP=OFF \
         -DOT_COMPILE_WARNING_AS_ERROR=ON \
         "$@" "${repo_dir}" \
-        --graphviz=graph.dot
+        --graphviz=graph.dot \
+        -DCMAKE_CXX_COMPILER_LAUNCHER=ccache \
+        -DCMAKE_C_COMPILER_LAUNCHER=ccache
 
     ninja "${soc_targets[@]}"