diff --git a/.github/workflows/test_rust.yml b/.github/workflows/test_rust.yml
index 4442eefc3..ca8e45b4f 100644
--- a/.github/workflows/test_rust.yml
+++ b/.github/workflows/test_rust.yml
@@ -58,6 +58,11 @@ jobs:
           sudo apt-get dist-upgrade
           sudo apt install -y libasound2-dev libxcb-shape0-dev libxcb-xfixes0-dev libgtk-3-dev mesa-vulkan-drivers
 
+      - name: Cache Cargo output
+        uses: Swatinem/rust-cache@90429b3dea365e9a1b0cb82d7f98aabf3089dc63
+        with:
+          shared-key: "desktop"
+
       - name: Check formatting
         uses: actions-rs/cargo@v1
         with:
diff --git a/.github/workflows/test_web.yml b/.github/workflows/test_web.yml
index de22b313d..5f04530d4 100644
--- a/.github/workflows/test_web.yml
+++ b/.github/workflows/test_web.yml
@@ -52,6 +52,11 @@ jobs:
           toolchain: ${{ matrix.rust_version }}
           target: wasm32-unknown-unknown
 
+      - name: Cache Cargo output
+        uses: Swatinem/rust-cache@90429b3dea365e9a1b0cb82d7f98aabf3089dc63
+        with:
+          shared-key: "web"
+
       # wasm-bindgen-cli version must match wasm-bindgen crate version.
       # Be sure to update in release_nightly.yml, web/Cargo.toml and web/README.md.
       - name: Install wasm-bindgen