diff --git a/.github/workflows/cpp-macos.yml b/.github/workflows/cpp-macos.yml
index 4062d45..701b4df 100644
--- a/.github/workflows/cpp-macos.yml
+++ b/.github/workflows/cpp-macos.yml
@@ -9,6 +9,9 @@ on: # yamllint disable-line rule:truthy
     branches: ["main"]
   workflow_dispatch:
 
+env:
+  VCPKG_VERSION: 2026.07.29
+
 jobs:
   test:
     name: C/C++ CMake CI Test
@@ -29,9 +32,8 @@ jobs:
       - name: Install
         shell: bash
         run: |
-          export VCPKG_VERSION=2025.02.14
+          export VCPKG_VERSION=${VCPKG_VERSION}
           git clone \
-            --depth 1 \
             --branch $VCPKG_VERSION \
             https://github.com/microsoft/vcpkg.git  \
             --single-branch \
diff --git a/vcpkg.json b/vcpkg.json
index 666a13b..57523d4 100644
--- a/vcpkg.json
+++ b/vcpkg.json
@@ -2,5 +2,6 @@
   "dependencies": [
     "catch2",
     "nlohmann-json"
-  ]
+  ],
+  "builtin-baseline": "dd3097e305afa53f7b4312371f62058d2e665320"
 }