diff --git a/.github/workflows/test-e2e.yml b/.github/workflows/test-e2e.yml
index c18dd31..41f92e5 100644
--- a/.github/workflows/test-e2e.yml
+++ b/.github/workflows/test-e2e.yml
@@ -80,10 +80,17 @@ jobs:
           path: |
             ~/.cargo/registry
             ~/.cargo/git
-            target
-          key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}
+          key: ${{ runner.os }}-cargo-registry-${{ hashFiles('**/Cargo.lock') }}
           restore-keys: |
-            ${{ runner.os }}-cargo-
+            ${{ runner.os }}-cargo-registry-
+
+      - name: Cache target directory
+        uses: actions/cache@v4
+        with:
+          path: target
+          key: ${{ runner.os }}-cargo-target-release-${{ hashFiles('**/Cargo.lock') }}
+          restore-keys: |
+            ${{ runner.os }}-cargo-target-release-
 
       - name: Build backend
         run: cargo build --release
diff --git a/.github/workflows/test-integration.yml b/.github/workflows/test-integration.yml
index 3121488..7605e1d 100644
--- a/.github/workflows/test-integration.yml
+++ b/.github/workflows/test-integration.yml
@@ -125,9 +125,8 @@ jobs:
         uses: actions/cache@v4
         with:
           path: target
-          key: ${{ runner.os }}-cargo-target-release-${{ hashFiles('**/Cargo.lock') }}-${{ hashFiles('**/*.rs') }}
+          key: ${{ runner.os }}-cargo-target-release-${{ hashFiles('**/Cargo.lock') }}
           restore-keys: |
-            ${{ runner.os }}-cargo-target-release-${{ hashFiles('**/Cargo.lock') }}-
             ${{ runner.os }}-cargo-target-release-
 
       - name: Build readur binary
diff --git a/.github/workflows/test-unit.yml b/.github/workflows/test-unit.yml
index 7db577e..966bc1d 100644
--- a/.github/workflows/test-unit.yml
+++ b/.github/workflows/test-unit.yml
@@ -61,9 +61,8 @@ jobs:
         uses: actions/cache@v4
         with:
           path: target
-          key: ${{ runner.os }}-cargo-target-${{ hashFiles('**/Cargo.lock') }}-${{ hashFiles('**/*.rs') }}
+          key: ${{ runner.os }}-cargo-target-${{ hashFiles('**/Cargo.lock') }}
           restore-keys: |
-            ${{ runner.os }}-cargo-target-${{ hashFiles('**/Cargo.lock') }}-
             ${{ runner.os }}-cargo-target-
 
       - name: Run Rust unit tests - lib only