diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index de2a94b..c807ca0 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -20,7 +20,7 @@ jobs:
       proto: ${{ steps.filter.outputs.proto }}
       docker: ${{ steps.filter.outputs.docker }}
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - uses: dorny/paths-filter@v3
         id: filter
         with:
@@ -43,7 +43,7 @@ jobs:
     if: needs.changes.outputs.rust == 'true'
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - uses: dtolnay/rust-toolchain@stable
         with:
@@ -85,7 +85,7 @@ jobs:
     if: needs.changes.outputs.rust == 'true'
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - uses: dtolnay/rust-toolchain@stable
 
@@ -106,7 +106,7 @@ jobs:
     if: needs.changes.outputs.swift == 'true'
     runs-on: macos-26-arm64
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - name: Select Xcode
         run: sudo xcode-select -s /Applications/Xcode_26.4.app
@@ -146,7 +146,7 @@ jobs:
     if: needs.changes.outputs.proto == 'true'
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - uses: bufbuild/buf-setup-action@v1
 
@@ -165,7 +165,7 @@ jobs:
     if: needs.changes.outputs.docker == 'true'
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - uses: docker/setup-buildx-action@v3