diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index bbaee7cb..22933f48 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -155,7 +155,12 @@ jobs:
         run: |
           set -euo pipefail
 
-          CLI_BIN="$(find "$HOME/Library/Developer/Xcode/DerivedData" -path "*/Build/Products/Debug/cmux" -print -quit)"
+          CLI_BIN="$(
+            find "$HOME/Library/Developer/Xcode/DerivedData" -path "*/Build/Products/Debug/cmux" -exec stat -f '%m %N' {} \; \
+              | sort -nr \
+              | head -1 \
+              | cut -d' ' -f2-
+          )"
           if [ -z "${CLI_BIN:-}" ] || [ ! -x "$CLI_BIN" ]; then
             echo "cmux CLI binary not found in DerivedData" >&2
             exit 1