diff --git a/.github/workflows/baseruby.yml b/.github/workflows/baseruby.yml
index 5aa0427e7eded0..27245b6bbfd5bc 100644
--- a/.github/workflows/baseruby.yml
+++ b/.github/workflows/baseruby.yml
@@ -35,7 +35,7 @@ jobs:
 
     steps:
       - uses: actions/checkout@v4
-      - uses: actions/cache@v3
+      - uses: actions/cache@v4
         with:
           path: .downloaded-cache
           key: downloaded-cache
diff --git a/.github/workflows/bundled_gems.yml b/.github/workflows/bundled_gems.yml
index 6769b7547bc966..eba1c2ad6dead7 100644
--- a/.github/workflows/bundled_gems.yml
+++ b/.github/workflows/bundled_gems.yml
@@ -30,7 +30,7 @@ jobs:
 
       - uses: actions/checkout@v4
 
-      - uses: actions/cache@v3
+      - uses: actions/cache@v4
         with:
           path: .downloaded-cache
           key: downloaded-cache-${{ github.sha }}
diff --git a/.github/workflows/check_dependencies.yml b/.github/workflows/check_dependencies.yml
index 0aa7470fbcef52..10ee1b0871b04b 100644
--- a/.github/workflows/check_dependencies.yml
+++ b/.github/workflows/check_dependencies.yml
@@ -40,7 +40,7 @@ jobs:
           git config --global advice.detachedHead 0
           git config --global init.defaultBranch garbage
       - uses: actions/checkout@v4
-      - uses: actions/cache@v3
+      - uses: actions/cache@v4
         with:
           path: .downloaded-cache
           key: downloaded-cache
diff --git a/.github/workflows/check_misc.yml b/.github/workflows/check_misc.yml
index 1ca13f936e3435..f5cc1a2340bd59 100644
--- a/.github/workflows/check_misc.yml
+++ b/.github/workflows/check_misc.yml
@@ -23,7 +23,7 @@ jobs:
           done | grep -F .
         working-directory: include
 
-      - uses: actions/cache@v3
+      - uses: actions/cache@v4
         with:
           path: .downloaded-cache
           key: downloaded-cache-${{ github.sha }}
diff --git a/.github/workflows/codeql-analysis.yml b/.github/workflows/codeql-analysis.yml
index 12ea734bade284..47e2abf0095c6e 100644
--- a/.github/workflows/codeql-analysis.yml
+++ b/.github/workflows/codeql-analysis.yml
@@ -38,7 +38,7 @@ jobs:
     - name: Checkout repository
       uses: actions/checkout@v4
 
-    - uses: actions/cache@v3
+    - uses: actions/cache@v4
       with:
         path: .downloaded-cache
         key: downloaded-cache
diff --git a/.github/workflows/compilers.yml b/.github/workflows/compilers.yml
index 02b0b2a8274c48..5b5be06abea556 100644
--- a/.github/workflows/compilers.yml
+++ b/.github/workflows/compilers.yml
@@ -227,7 +227,7 @@ jobs:
       - uses: actions/checkout@v4
         with:
           path: src
-      - uses: actions/cache@v3
+      - uses: actions/cache@v4
         with:
           path: src/.downloaded-cache
           key: downloaded-cache
diff --git a/.github/workflows/macos.yml b/.github/workflows/macos.yml
index 417d9986736456..93ec9684693017 100644
--- a/.github/workflows/macos.yml
+++ b/.github/workflows/macos.yml
@@ -38,7 +38,7 @@ jobs:
       - uses: actions/checkout@v4
         with:
           path: src
-      - uses: actions/cache@v3
+      - uses: actions/cache@v4
         with:
           path: src/.downloaded-cache
           key: downloaded-cache
diff --git a/.github/workflows/mingw.yml b/.github/workflows/mingw.yml
index ae44fd005e3ef5..61142e9497a457 100644
--- a/.github/workflows/mingw.yml
+++ b/.github/workflows/mingw.yml
@@ -57,7 +57,7 @@ jobs:
       - uses: actions/checkout@v4
         with:
           path: src
-      - uses: actions/cache@v3
+      - uses: actions/cache@v4
         with:
           path: src/.downloaded-cache
           key: downloaded-cache
diff --git a/.github/workflows/mjit.yml b/.github/workflows/mjit.yml
index fb228b98d9e42b..f4d0aa171ef5f0 100644
--- a/.github/workflows/mjit.yml
+++ b/.github/workflows/mjit.yml
@@ -43,7 +43,7 @@ jobs:
       - uses: actions/checkout@v4
         with:
           path: src
-      - uses: actions/cache@v3
+      - uses: actions/cache@v4
         with:
           path: src/.downloaded-cache
           key: downloaded-cache
diff --git a/.github/workflows/ubuntu.yml b/.github/workflows/ubuntu.yml
index 7646d10bb698bc..6c1ab4ace75998 100644
--- a/.github/workflows/ubuntu.yml
+++ b/.github/workflows/ubuntu.yml
@@ -69,7 +69,7 @@ jobs:
       - uses: actions/checkout@v4
         with:
           path: src
-      - uses: actions/cache@v3
+      - uses: actions/cache@v4
         with:
           path: src/.downloaded-cache
           key: downloaded-cache
diff --git a/.github/workflows/windows.yml b/.github/workflows/windows.yml
index c35e40a924554c..759f0b784f09a1 100644
--- a/.github/workflows/windows.yml
+++ b/.github/workflows/windows.yml
@@ -44,14 +44,14 @@ jobs:
         shell: msys2 {0}
         run: echo PATCH=$(cygpath -wa $(command -v patch)) >> $GITHUB_ENV
         if: ${{ steps.setup-msys2.outcome == 'success' }}
-      - uses: actions/cache@v3
+      - uses: actions/cache@v4
         with:
           path: C:\vcpkg\downloads
           key: ${{ runner.os }}-vcpkg-download-${{ env.OS_VER }}-${{ github.sha }}
           restore-keys: |
             ${{ runner.os }}-vcpkg-download-${{ env.OS_VER }}-
             ${{ runner.os }}-vcpkg-download-
-      - uses: actions/cache@v3
+      - uses: actions/cache@v4
         with:
           path: C:\vcpkg\installed
           key: ${{ runner.os }}-vcpkg-installed-${{ matrix.os }}-${{ github.sha }}
@@ -61,7 +61,7 @@ jobs:
       - name: Install libraries with vcpkg
         run: |
           vcpkg --triplet x64-windows install libffi libyaml openssl readline zlib
-      - uses: actions/cache@v3
+      - uses: actions/cache@v4
         with:
           path: C:\Users\runneradmin\AppData\Local\Temp\chocolatey
           key: ${{ runner.os }}-chocolatey-${{ env.OS_VER }}-${{ github.sha }}
@@ -83,7 +83,7 @@ jobs:
       - uses: actions/checkout@v4
         with:
           path: src
-      - uses: actions/cache@v3
+      - uses: actions/cache@v4
         with:
           path: src/.downloaded-cache
           key: downloaded-cache
diff --git a/.github/workflows/yjit-ubuntu.yml b/.github/workflows/yjit-ubuntu.yml
index 48f087ad9aeb45..96d079c33a9151 100644
--- a/.github/workflows/yjit-ubuntu.yml
+++ b/.github/workflows/yjit-ubuntu.yml
@@ -81,7 +81,7 @@ jobs:
       - uses: actions/checkout@v4
         with:
           path: src
-      - uses: actions/cache@v3
+      - uses: actions/cache@v4
         with:
           path: src/.downloaded-cache
           key: downloaded-cache