diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 258825a..134d2ef 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -30,7 +30,7 @@ jobs:
           swift-version: '6.2'
 
       - name: Cache SPM dependencies
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: .build
           key: ${{ runner.os }}-spm-${{ hashFiles('Package.resolved') }}
@@ -72,7 +72,7 @@ jobs:
         uses: actions/checkout@v4
 
       - name: Cache SPM dependencies
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: .build
           key: ${{ runner.os }}-spm-${{ hashFiles('Package.resolved') }}
@@ -115,7 +115,7 @@ jobs:
         uses: actions/checkout@v4
 
       - name: Cache SPM dependencies
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: .build
           key: ${{ runner.os }}-spm-${{ hashFiles('Package.resolved') }}
diff --git a/.github/workflows/conformance.yml b/.github/workflows/conformance.yml
index 7a92fe6..7cae5c8 100644
--- a/.github/workflows/conformance.yml
+++ b/.github/workflows/conformance.yml
@@ -30,7 +30,7 @@ jobs:
           swift-version: '6.2'
 
       - name: Cache SPM dependencies
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: .build
           key: ${{ runner.os }}-spm-conformance-${{ hashFiles('Package.resolved') }}
@@ -69,7 +69,7 @@ jobs:
           swift-version: '6.2'
 
       - name: Cache SPM dependencies
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: .build
           key: ${{ runner.os }}-spm-conformance-${{ hashFiles('Package.resolved') }}
@@ -107,7 +107,7 @@ jobs:
           swift-version: '6.2'
 
       - name: Cache SPM dependencies
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: .build
           key: ${{ runner.os }}-spm-conformance-${{ hashFiles('Package.resolved') }}
@@ -145,7 +145,7 @@ jobs:
           swift-version: '6.2'
 
       - name: Cache SPM dependencies
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: .build
           key: ${{ runner.os }}-spm-conformance-${{ hashFiles('Package.resolved') }}
@@ -183,7 +183,7 @@ jobs:
           swift-version: '6.2'
 
       - name: Cache SPM dependencies
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: .build
           key: ${{ runner.os }}-spm-conformance-${{ hashFiles('Package.resolved') }}
@@ -221,7 +221,7 @@ jobs:
           swift-version: '6.2'
 
       - name: Cache SPM dependencies
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: .build
           key: ${{ runner.os }}-spm-conformance-${{ hashFiles('Package.resolved') }}
@@ -261,7 +261,7 @@ jobs:
         uses: actions/checkout@v4
 
       - name: Cache SPM dependencies
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: .build
           key: ${{ runner.os }}-spm-conformance-${{ hashFiles('Package.resolved') }}
@@ -296,7 +296,7 @@ jobs:
         uses: actions/checkout@v4
 
       - name: Cache SPM dependencies
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: .build
           key: ${{ runner.os }}-spm-interop-${{ hashFiles('Package.resolved') }}
diff --git a/.github/workflows/interactive-testing.yml b/.github/workflows/interactive-testing.yml
index 477fe92..bca2c66 100644
--- a/.github/workflows/interactive-testing.yml
+++ b/.github/workflows/interactive-testing.yml
@@ -48,7 +48,7 @@ jobs:
           swift-version: '6.2'
 
       - name: Cache SPM dependencies
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: .build
           key: ${{ runner.os }}-spm-${{ hashFiles('Package.resolved') }}
diff --git a/.github/workflows/jp3d-compliance.yml b/.github/workflows/jp3d-compliance.yml
index 2449bc7..a6ff301 100644
--- a/.github/workflows/jp3d-compliance.yml
+++ b/.github/workflows/jp3d-compliance.yml
@@ -38,7 +38,7 @@ jobs:
           swift-version: '6.2'
 
       - name: Cache SPM dependencies
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: .build
           key: ${{ runner.os }}-spm-compliance-${{ hashFiles('Package.resolved') }}
@@ -84,7 +84,7 @@ jobs:
           swift-version: '6.2'
 
       - name: Cache SPM dependencies
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: .build
           key: ${{ runner.os }}-spm-compliance-${{ hashFiles('Package.resolved') }}
diff --git a/.github/workflows/performance.yml b/.github/workflows/performance.yml
index 3baf4b0..38e7a38 100644
--- a/.github/workflows/performance.yml
+++ b/.github/workflows/performance.yml
@@ -30,7 +30,7 @@ jobs:
           swift-version: '6.2'
 
       - name: Cache SPM dependencies
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: .build
           key: ${{ runner.os }}-spm-benchmark-${{ hashFiles('Package.resolved') }}
@@ -107,7 +107,7 @@ jobs:
         uses: actions/checkout@v4
 
       - name: Cache SPM dependencies
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: .build
           key: ${{ runner.os }}-spm-benchmark-${{ hashFiles('Package.resolved') }}
diff --git a/.github/workflows/windows.yml b/.github/workflows/windows.yml
index 3c2944c..e8b4a9c 100644
--- a/.github/workflows/windows.yml
+++ b/.github/workflows/windows.yml
@@ -30,7 +30,7 @@ jobs:
           swift-version: '6.2'
 
       - name: Cache SPM dependencies
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: .build
           key: ${{ runner.os }}-spm-${{ hashFiles('Package.resolved') }}