diff --git a/.github/workflows/codspeed.yml b/.github/workflows/codspeed.yml
index 6c07838..6e2d317 100644
--- a/.github/workflows/codspeed.yml
+++ b/.github/workflows/codspeed.yml
@@ -88,6 +88,20 @@ jobs:
       - uses: Swatinem/rust-cache@v2
         with:
           prefix-key: codspeed-aot
+      - name: Get Zig version
+        id: zig-version
+        run: |
+          VERSION=$(grep -o 'const ZIG_VERSION: &str = "[^"]*"' ryo-backend/src/toolchain.rs | cut -d'"' -f2)
+          echo "version=$VERSION" >> "$GITHUB_OUTPUT"
+      - name: Cache Zig toolchain
+        id: zig-cache
+        uses: actions/cache@v6
+        with:
+          path: ~/.ryo/toolchain
+          key: zig-${{ steps.zig-version.outputs.version }}-${{ runner.os }}-${{ runner.arch }}
+      - name: Install Zig toolchain
+        if: steps.zig-cache.outputs.cache-hit != 'true'
+        run: cargo run -- toolchain install
       - name: Build Ryo compiler
         run: cargo build --release
       - name: Compile Ryo AOT binaries
@@ -124,6 +138,20 @@ jobs:
       - uses: Swatinem/rust-cache@v2
         with:
           prefix-key: codspeed-aot-memory
+      - name: Get Zig version
+        id: zig-version
+        run: |
+          VERSION=$(grep -o 'const ZIG_VERSION: &str = "[^"]*"' ryo-backend/src/toolchain.rs | cut -d'"' -f2)
+          echo "version=$VERSION" >> "$GITHUB_OUTPUT"
+      - name: Cache Zig toolchain
+        id: zig-cache
+        uses: actions/cache@v6
+        with:
+          path: ~/.ryo/toolchain
+          key: zig-${{ steps.zig-version.outputs.version }}-${{ runner.os }}-${{ runner.arch }}
+      - name: Install Zig toolchain
+        if: steps.zig-cache.outputs.cache-hit != 'true'
+        run: cargo run -- toolchain install
       - name: Build Ryo compiler
         run: cargo build --release
       - name: Compile Ryo AOT binaries