diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 5909aae..bd1db94 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -13,7 +13,7 @@ jobs:
     name: Linux SPM unit tests
     runs-on: ubuntu-latest
     container:
-      image: swift:6.0
+      image: swift:6.1
     steps:
       - uses: actions/checkout@v4
         with:
@@ -23,11 +23,11 @@ jobs:
 
   macos:
     name: macOS tests
-    runs-on: macos-14
+    runs-on: macos-15
     steps:
       - uses: maxim-lobanov/setup-xcode@v1
         with:
-          xcode-version: '16.0'
+          xcode-version: '16.3'
       - uses: actions/checkout@v4
         with:
           persist-credentials: false
@@ -47,8 +47,8 @@ jobs:
     steps:
       - uses: compnerd/gha-setup-swift@main
         with:
-          branch: swift-6.0-release
-          tag: 6.0-RELEASE
+          branch: swift-6.1-release
+          tag: 6.1-RELEASE
       - uses: actions/checkout@v4
         with:
           persist-credentials: false