diff --git a/.github/workflows/cross.yml b/.github/workflows/cross.yml
index f74d17f14d..69681b48aa 100644
--- a/.github/workflows/cross.yml
+++ b/.github/workflows/cross.yml
@@ -80,7 +80,13 @@ jobs:
         run: rustup override set ${{ steps.toolchain.outputs.name }}
       - name: Run cargo test
         working-directory: ./aws-lc-rs
-        run: cargo test --features bindgen,unstable --target ${{ matrix.target }}
-        env:
-          # Surely there's a way to dynamially locate this path
-          DYLD_ROOT_PATH: "/Library/Developer/CoreSimulator/Volumes/iOS_21C62/Library/Developer/CoreSimulator/Profiles/Runtimes/iOS 17.2.simruntime/Contents/Resources/RuntimeRoot/"
+        run: |
+          function latest_xcode() {
+            mdfind "kMDItemCFBundleIdentifier = 'com.apple.dt.Xcode'" | sort | tail -n 1
+          }
+          sudo xcode-select --switch $(latest_xcode)
+          xcode-select -p
+          xcodebuild -runFirstLaunch
+          export DYLD_ROOT_PATH=$(xcrun --sdk iphonesimulator17.2 --show-sdk-path)
+          echo DYLD_ROOT_PATH=${DYLD_ROOT_PATH}
+          cargo test --features bindgen,unstable --target ${{ matrix.target }}