diff --git a/.github/workflows/test-pr.yml b/.github/workflows/test-pr.yml
index 9fca0d51..8b2b2467 100644
--- a/.github/workflows/test-pr.yml
+++ b/.github/workflows/test-pr.yml
@@ -31,7 +31,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-          os: [windows-2019, windows-2022, ubuntu-22.04, ubuntu-24.04]
+          os: [windows-2022, windows-2025, ubuntu-22.04, ubuntu-24.04]
           ruby-version: ['3.0','3.1','3.2','3.3']
       fail-fast: false
     steps:
diff --git a/README.md b/README.md
index 8219641a..5ff23960 100644
--- a/README.md
+++ b/README.md
@@ -7,8 +7,8 @@
 
 |    **OS**    |      **Ruby**      |
 |:------------:|:------------------:|
-| Windows 2019 | 3.0, 3.1, 3.2, 3.3 |
 | Windows 2022 | 3.0, 3.1, 3.2, 3.3 |
+| Windows 2025 | 3.0, 3.1, 3.2, 3.3 |
 | Ubuntu 22.04 | 3.0, 3.1, 3.2, 3.3 |
 | Ubuntu 24.04 | 3.0, 3.1, 3.2, 3.3 |