diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 1575345..2d94aa8 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -11,11 +11,11 @@ on:
 jobs:
   macos:
     name: macOS Xcode Toolchain
-    runs-on: macos-14
+    runs-on: macos-15
     strategy:
       fail-fast: false
       matrix:
-        xcode: ['16.1']
+        xcode: ['16.3']
     steps:
       - uses: maxim-lobanov/setup-xcode@v1
         with:
@@ -78,9 +78,9 @@ jobs:
       - uses: actions/checkout@v4
         with:
           persist-credentials: false
-      - uses: vapor/swiftly-action@v0.1
+      - uses: vapor/swiftly-action@v0.2
         with:
-          toolchain: "6.0"
+          toolchain: "6.1"
       - uses: ruby/setup-ruby@v1
         with:
           ruby-version: ${{ matrix.rby.short }}
diff --git a/Tests/RubyGatewayTests/TestMethods.swift b/Tests/RubyGatewayTests/TestMethods.swift
index 07da1fe..c27dc97 100644
--- a/Tests/RubyGatewayTests/TestMethods.swift
+++ b/Tests/RubyGatewayTests/TestMethods.swift
@@ -570,7 +570,7 @@ class TestMethods: XCTestCase {
     func testUserGuideFunctionExamples() {
         struct Logger {
             static nonisolated(unsafe) var logCount = 0
-            static nonisolated(unsafe) func log(message: String?, priority: Int? = nil) {
+            static nonisolated func log(message: String?, priority: Int? = nil) {
                 logCount = logCount + 1
             }
         }