diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 52189158e..577b0875b 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -271,7 +271,7 @@ jobs:
           echo -e "$RPC_MATRIX_JSON\n$RPC_SHARDS_JSON" | jq -r -s 'add | @json "rpc_test_shards_matrix=\(.)"' >> $GITHUB_OUTPUT
 
       - name: Cache Sprout parameters
-        uses: actions/cache@cdf6c1fa76f9f475f3d7449005a359c84ca0f306 # v5.0.3
+        uses: actions/cache@2c8a9bd7457de244a408f35966fab2fb45fda9c8 # v6.0.0
         with:
           path: zcash-params
           key: zcash-params
@@ -357,7 +357,7 @@ jobs:
         run: echo "timestamp=$(date +'%Y-%m-%d-%H;%M;%S')" >> "$GITHUB_OUTPUT"
 
       - name: Cache ccache files
-        uses: actions/cache@cdf6c1fa76f9f475f3d7449005a359c84ca0f306 # v5.0.3
+        uses: actions/cache@2c8a9bd7457de244a408f35966fab2fb45fda9c8 # v6.0.0
         with:
           path: ${{ runner.os == 'macOS' && '~/Library/Caches/ccache' || '~/.cache/ccache' }}
           key: ${{ matrix.name }}-ccache-${{ steps.ccache_cache_timestamp.outputs.timestamp }}
@@ -467,7 +467,7 @@ jobs:
         run: echo "timestamp=$(date +'%Y-%m-%d-%H;%M;%S')" >> "$GITHUB_OUTPUT"
 
       - name: Cache ccache files
-        uses: actions/cache@cdf6c1fa76f9f475f3d7449005a359c84ca0f306 # v5.0.3
+        uses: actions/cache@2c8a9bd7457de244a408f35966fab2fb45fda9c8 # v6.0.0
         with:
           path: ${{ runner.os == 'macOS' && '~/Library/Caches/ccache' || '~/.cache/ccache' }}
           key: ${{ matrix.name }}-ccache-${{ steps.ccache_cache_timestamp.outputs.timestamp }}
@@ -576,7 +576,7 @@ jobs:
         run: echo "timestamp=$(date +'%Y-%m-%d-%H;%M;%S')" >> "$GITHUB_OUTPUT"
 
       - name: Cache ccache files
-        uses: actions/cache@cdf6c1fa76f9f475f3d7449005a359c84ca0f306 # v5.0.3
+        uses: actions/cache@2c8a9bd7457de244a408f35966fab2fb45fda9c8 # v6.0.0
         with:
           path: ${{ runner.os == 'macOS' && '~/Library/Caches/ccache' || '~/.cache/ccache' }}
           key: ${{ matrix.name }}-ccache-${{ steps.ccache_cache_timestamp.outputs.timestamp }}
@@ -756,7 +756,7 @@ jobs:
 
     steps:
       - name: Cache Python dependencies for RPC tests
-        uses: actions/cache@cdf6c1fa76f9f475f3d7449005a359c84ca0f306 # v5.0.3
+        uses: actions/cache@2c8a9bd7457de244a408f35966fab2fb45fda9c8 # v6.0.0
         with:
           enableCrossOsArchive: true
           path: venv
@@ -822,7 +822,7 @@ jobs:
           job-name: "RPC tests ${{ matrix.platform }} ${{ matrix.shard }}${{ matrix.required_suffix }}"
 
       - name: Cache Python dependencies for RPC tests
-        uses: actions/cache@cdf6c1fa76f9f475f3d7449005a359c84ca0f306 # v5.0.3
+        uses: actions/cache@2c8a9bd7457de244a408f35966fab2fb45fda9c8 # v6.0.0
         with:
           enableCrossOsArchive: true
           path: venv
@@ -871,7 +871,7 @@ jobs:
           fi
 
       - name: Get Sprout parameters
-        uses: actions/cache@cdf6c1fa76f9f475f3d7449005a359c84ca0f306 # v5.0.3
+        uses: actions/cache@2c8a9bd7457de244a408f35966fab2fb45fda9c8 # v6.0.0
         with:
           path: zcash-params
           key: zcash-params