diff --git a/.github/workflows/core-py-ci.yml b/.github/workflows/core-py-ci.yml
index c9d7de4240..2c244cab3e 100644
--- a/.github/workflows/core-py-ci.yml
+++ b/.github/workflows/core-py-ci.yml
@@ -26,7 +26,7 @@ jobs:
         with:
           python-version: 3.11
       - name: Cache Cargo
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: |
             ~/.cargo/bin/
diff --git a/.github/workflows/publish-wren-core-wasm-rc.yml b/.github/workflows/publish-wren-core-wasm-rc.yml
index 60271732b1..ef7831bfac 100644
--- a/.github/workflows/publish-wren-core-wasm-rc.yml
+++ b/.github/workflows/publish-wren-core-wasm-rc.yml
@@ -46,7 +46,7 @@ jobs:
           targets: wasm32-unknown-unknown
 
       - name: Cache Cargo
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: |
             ~/.cargo/bin/
diff --git a/.github/workflows/publish-wren-core-wasm.yml b/.github/workflows/publish-wren-core-wasm.yml
index b5f6f307d2..ec0621022e 100644
--- a/.github/workflows/publish-wren-core-wasm.yml
+++ b/.github/workflows/publish-wren-core-wasm.yml
@@ -41,7 +41,7 @@ jobs:
           targets: wasm32-unknown-unknown
 
       - name: Cache Cargo
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: |
             ~/.cargo/bin/
diff --git a/.github/workflows/rust.yml b/.github/workflows/rust.yml
index 2038e3d8da..c895e403c2 100644
--- a/.github/workflows/rust.yml
+++ b/.github/workflows/rust.yml
@@ -36,7 +36,7 @@ jobs:
           rust-version: stable
 
       - name: Cache Cargo
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: |
             ~/.cargo/bin/
diff --git a/.github/workflows/wasm-ci.yml b/.github/workflows/wasm-ci.yml
index 0bef5e4fde..6c27c3028e 100644
--- a/.github/workflows/wasm-ci.yml
+++ b/.github/workflows/wasm-ci.yml
@@ -33,7 +33,7 @@ jobs:
           targets: wasm32-unknown-unknown
 
       - name: Cache Cargo
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: |
             ~/.cargo/bin/
diff --git a/.github/workflows/wren-ci.yml b/.github/workflows/wren-ci.yml
index 5697077a2a..372ba193ba 100644
--- a/.github/workflows/wren-ci.yml
+++ b/.github/workflows/wren-ci.yml
@@ -45,7 +45,7 @@ jobs:
       - name: Install uv
         uses: astral-sh/setup-uv@v4
       - name: Cache Cargo
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: |
             ~/.cargo/bin/
@@ -99,7 +99,7 @@ jobs:
           sudo apt-get update
           sudo apt-get install -y default-libmysqlclient-dev pkg-config
       - name: Cache Cargo
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: |
             ~/.cargo/bin/
@@ -137,7 +137,7 @@ jobs:
       - name: Install uv
         uses: astral-sh/setup-uv@v4
       - name: Cache Cargo
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: |
             ~/.cargo/bin/
@@ -175,7 +175,7 @@ jobs:
       - name: Install uv
         uses: astral-sh/setup-uv@v4
       - name: Cache Cargo
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: |
             ~/.cargo/bin/
@@ -197,7 +197,7 @@ jobs:
           uv lock --find-links ../wren-core-py/target/wheels/ --upgrade-package wren-core-py
           uv sync --extra dev --extra memory --find-links ../wren-core-py/target/wheels/
       - name: Cache sentence-transformers model
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: ~/.cache/huggingface
           key: hf-paraphrase-MiniLM-L3-v2