diff --git a/.github/workflows/coverage-pr.yml b/.github/workflows/coverage-pr.yml
index 4a196aa..e2590b7 100644
--- a/.github/workflows/coverage-pr.yml
+++ b/.github/workflows/coverage-pr.yml
@@ -19,7 +19,21 @@ jobs:
         with:
           ref: ${{ github.event.pull_request.head.sha }}
 
-      - run: cargo install cargo-llvm-cov
+      - name: Cache llvm-cov build
+        id: cache-llvm-cov
+        uses: actions/cache@v4
+        continue-on-error: false
+        with:
+          path: |
+            ~/.cargo/bin/
+            ~/.cargo/registry/index/
+            ~/.cargo/registry/cache/
+            ~/.cargo/git/db/
+            target/
+          key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}
+          restore-keys: ${{ runner.os }}-cargo-
+
+      - run: which cargo-llvm-cov || cargo install cargo-llvm-cov
       - run: rustup component add llvm-tools-preview
       - run: cargo llvm-cov --workspace --lcov --output-path lcov.info --ignore-filename-regex '^examples/'
 
@@ -71,9 +85,24 @@ jobs:
         with:
           ref: ${{ github.event.pull_request.base.sha }}
 
+      - name: Cache llvm-cov build
+        id: cache-llvm-cov
+        if: ${{ steps.base_art.outputs.found == 'false' }}
+        uses: actions/cache@v4
+        continue-on-error: false
+        with:
+          path: |
+            ~/.cargo/bin/
+            ~/.cargo/registry/index/
+            ~/.cargo/registry/cache/
+            ~/.cargo/git/db/
+            target/
+          key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}
+          restore-keys: ${{ runner.os }}-cargo-
+
       - name: Install cargo-llvm-cov (fallback path)
         if: ${{ steps.base_art.outputs.found == 'false' }}
-        run: cargo install cargo-llvm-cov
+        run: which cargo-llvm-cov || cargo install cargo-llvm-cov
 
       - name: Install llvm-tools (fallback path)
         if: ${{ steps.base_art.outputs.found == 'false' }}
diff --git a/.github/workflows/coverage.yml b/.github/workflows/coverage.yml
index b0d7bf1..311bd2b 100644
--- a/.github/workflows/coverage.yml
+++ b/.github/workflows/coverage.yml
@@ -14,7 +14,21 @@ jobs:
     steps:
       - uses: actions/checkout@v4
 
-      - run: cargo install cargo-llvm-cov
+      - name: Cache llvm-cov build
+        id: cache-llvm-cov
+        uses: actions/cache@v4
+        continue-on-error: false
+        with:
+          path: |
+            ~/.cargo/bin/
+            ~/.cargo/registry/index/
+            ~/.cargo/registry/cache/
+            ~/.cargo/git/db/
+            target/
+          key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}
+          restore-keys: ${{ runner.os }}-cargo-
+
+      - run:  which cargo-llvm-cov || cargo install cargo-llvm-cov
       - run: rustup component add llvm-tools-preview
       - run: cargo llvm-cov --workspace --lcov --output-path lcov.info --ignore-filename-regex '^examples/'