diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index a5158b73..a9d9e5bd 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -18,8 +18,11 @@ jobs:
       fail-fast: false
       matrix:
         include:
+          - swift: "5.9"
+            xcode: "15.0.1"
+            runsOn: macos-13
           - swift: "5.8"
-            xcode: "14.3"
+            xcode: "14.3.1"
             runsOn: macos-13
           - swift: "5.7"
             xcode: "14.1"
@@ -52,6 +55,11 @@ jobs:
       fail-fast: false
       matrix:
         include:
+          - os: "17.0"
+            xcode: "15.0.1"
+            sim: "iPhone 15 Pro"
+            parallel: NO  # Stop random test job failures
+            runsOn: macos-13
           - os: "16.4"
             xcode: "14.3.1"
             sim: "iPhone 14 Pro"