diff --git a/.github/scripts/Linux/download_build_sdl.sh b/.github/scripts/Linux/download_build_sdl.sh
new file mode 100755
index 000000000..a49243a0d
--- /dev/null
+++ b/.github/scripts/Linux/download_build_sdl.sh
@@ -0,0 +1,30 @@
+#!/bin/sh -eu
+
+mkdir -p /var/tmp/sdl
+cd /var/tmp/sdl
+
+# v2.0.22 requires wayland-client version 1.18.0 but in U18.04 is only 1.16.0
+curl -sSLO https://github.com/libsdl-org/SDL/releases/download/release-2.0.20/SDL2-2.0.20.tar.gz
+tar xaf SDL2*tar*
+cd SDL2-2.0.20
+./configure
+make -j "$(nproc)"
+sudo make install # SDL needs to be installed here because it is a dependency for the below
+cd ..
+
+git clone --depth 1 https://github.com/libsdl-org/SDL_mixer
+cd SDL_mixer
+./configure
+make -j "$(nproc)"
+sudo make install
+cd ..
+
+# v2.0.18 and further require automake 1.16 but U18.04 has only automake 1.15.1
+git clone -b release-2.0.15 --depth 1 https://github.com/libsdl-org/SDL_ttf
+cd SDL_ttf
+./autogen.sh # to allow automake 1.15.1
+./configure
+make -j "$(nproc)"
+sudo make install
+cd ..
+
diff --git a/.github/scripts/Linux/install_sdl.sh b/.github/scripts/Linux/install_sdl.sh
index c77a82034..b276e8f1e 100755
--- a/.github/scripts/Linux/install_sdl.sh
+++ b/.github/scripts/Linux/install_sdl.sh
@@ -1,27 +1,9 @@
 #!/bin/sh -eu
 
-sudo aptitude -y build-dep libsdl2 libsdl2-mixer libsdl2-ttf libsdl2-dev:
-# v2.0.22 requires wayland-client version 1.18.0 but in U18.04 is only 1.16.0
-curl -sSLO https://github.com/libsdl-org/SDL/releases/download/release-2.0.20/SDL2-2.0.20.tar.gz
-tar xaf SDL2*tar*
-cd SDL2-2.0.20
-./configure
-make -j "$(nproc)"
+cd /var/tmp/sdl/SDL2-2.0.20
+sudo make install
+cd ../SDL_mixer
+sudo make install
+cd ../SDL_ttf
 sudo make install
-cd ..
 
-git clone --depth 1 https://github.com/libsdl-org/SDL_mixer
-cd SDL_mixer
-./configure
-make -j "$(nproc)"
-sudo make install
-cd ..
-
-# v2.0.18 and further require automake 1.16 but U18.04 has only automake 1.15.1
-git clone -b release-2.0.15 --depth 1 https://github.com/libsdl-org/SDL_ttf
-cd SDL_ttf
-./autogen.sh # to allow automake 1.15.1
-./configure
-make -j "$(nproc)"
-sudo make install
-cd ..
diff --git a/.github/scripts/Linux/prepare.sh b/.github/scripts/Linux/prepare.sh
index 5bcd4bfb3..84a4af580 100755
--- a/.github/scripts/Linux/prepare.sh
+++ b/.github/scripts/Linux/prepare.sh
@@ -26,7 +26,7 @@ sudo apt install libcurl4-nss-dev
 sudo apt install i965-va-driver-shaders # instead of i965-va-driver
 sudo apt install uuid-dev # Cineform
 
-"$GITHUB_WORKSPACE/.github/scripts/Linux/install_sdl.sh"
+sudo aptitude -y build-dep libsdl2 libsdl2-mixer libsdl2-ttf libsdl2-dev:
 "$GITHUB_WORKSPACE/.github/scripts/Linux/ffmpeg_deps.sh"
 
 # Install cross-platform deps
diff --git a/.github/workflows/ccpp.yml b/.github/workflows/ccpp.yml
index 0e61cb11e..73ebcc9d4 100644
--- a/.github/workflows/ccpp.yml
+++ b/.github/workflows/ccpp.yml
@@ -104,6 +104,18 @@ jobs:
     - name: Install Cached FFmpeg
       if: steps.cache-ffmpeg.outputs.cache-hit == 'true'
       run: .github/scripts/Linux/install_ffmpeg.sh
+    - name: Cache SDL
+      id: cache-sdl
+      uses: actions/cache@v3
+      with:
+        path: '/var/tmp/sdl'
+        key: cache-sdl-${{ runner.os }}-${{ hashFiles( '.github/scripts/Linux/download_build_sdl.sh' ) }}
+    - name: Build SDL
+      if: steps.cache-sdl.outputs.cache-hit != 'true'
+      run: .github/scripts/Linux/download_build_sdl.sh
+    - name: Install Cached SDL
+      if: steps.cache-sdl.outputs.cache-hit == 'true'
+      run: .github/scripts/Linux/install_sdl.sh
     - name: configure
       run: "./autogen.sh --enable-plugins ${{ env.CUDA_FEATURES }} ${{ env.FEATURES }} --enable-alsa --enable-v4l2 --enable-vulkan=auto || { RC=$?; cat config.log; exit $RC; }"
     - name: make