diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 5d6a50f158..1ec67055f3 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -10,13 +10,13 @@ defaults:
     shell: bash
     working-directory: src
 env:
-  CACHE_EPOCH: 1
+  CACHE_EPOCH: 2
   CCACHE_MAXSIZE: 200M
   CCACHE_MAXFILES: 0
   SCCACHE_CACHE_SIZE: 200M
 jobs:
   cache-toolchains-posix:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     steps:
       - uses: actions/checkout@v3
       - name: Cache toolchains (Linux, OpenWrt, Android)
@@ -49,7 +49,7 @@ jobs:
             wget https://snapshot.debian.org/archive/debian/20220515T152741Z/pool/main/q/qemu/qemu-user-static_7.0%2Bdfsg-6_amd64.deb
           fi
   cache-toolchains-win:
-    runs-on: windows-2019
+    runs-on: windows-2022
     steps:
       - uses: actions/checkout@v3
       - name: Cache toolchains
@@ -79,7 +79,7 @@ jobs:
             unzip ninja-win.zip -d ~/bin
           fi
   cache-toolchains-mac:
-    runs-on: macos-11
+    runs-on: macos-12
     steps:
       - uses: actions/checkout@v3
       - uses: actions/cache@v3
@@ -93,7 +93,7 @@ jobs:
       - run: EXTRA_FLAGS='target_cpu="arm64"' ./get-clang.sh
   linux:
     needs: cache-toolchains-posix
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     strategy:
       fail-fast: false
       matrix:
@@ -160,7 +160,7 @@ jobs:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
   android:
     needs: cache-toolchains-posix
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     strategy:
       fail-fast: false
       matrix:
@@ -233,7 +233,7 @@ jobs:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
   win:
     needs: cache-toolchains-win
-    runs-on: windows-2019
+    runs-on: windows-2022
     strategy:
       fail-fast: false
       matrix:
@@ -297,7 +297,7 @@ jobs:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
   mac:
     needs: cache-toolchains-mac
-    runs-on: macos-11
+    runs-on: macos-12
     strategy:
       fail-fast: false
       matrix:
@@ -349,7 +349,7 @@ jobs:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
   ios:
     needs: cache-toolchains-mac
-    runs-on: macos-11
+    runs-on: macos-12
     strategy:
       fail-fast: false
       matrix:
@@ -382,7 +382,7 @@ jobs:
       - run: ccache -s
   openwrt:
     needs: cache-toolchains-posix
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     strategy:
       fail-fast: false
       matrix: