diff --git a/.circleci/script/gen_ci.clj b/.circleci/script/gen_ci.clj
index 7b800671..353ee326 100644
--- a/.circleci/script/gen_ci.clj
+++ b/.circleci/script/gen_ci.clj
@@ -192,7 +192,7 @@ java -jar \"$jar\" --config .build/bb.edn --deps-root . release-artifact \"$refl
   [shorted?]
   (let [docker-executor-conf  {:docker [{:image "circleci/clojure:openjdk-11-lein-2.9.8-bullseye"}]}
         machine-executor-conf {:machine {:image "ubuntu-2004:202111-01"}}
-        mac-executor-conf     {:macos {:xcode "14.0.1"}}
+        mac-executor-conf     {:macos {:xcode "15.2.0"}}
         linux-graalvm-home    (str "/home/circleci/graalvm-" graalvm-version)
         mac-graalvm-home      (format "/Users/distiller/graalvm-%s/Contents/Home" graalvm-version)]
     (ordered-map
@@ -211,7 +211,7 @@ java -jar \"$jar\" --config .build/bb.edn --deps-root . release-artifact \"$refl
                    (unix shorted? true true "amd64" docker-executor-conf "large" linux-graalvm-home "linux")
                    :linux-aarch64-static
                    (unix shorted? true false "aarch64" machine-executor-conf "arm.large" linux-graalvm-home "linux")
-                   :mac (unix shorted? false false "amd64" mac-executor-conf "macos.x86.large.gen2" mac-graalvm-home "mac")
+                   :mac (unix shorted? false false "amd64" mac-executor-conf "macos.x86.medium.gen2" mac-graalvm-home "mac")
                    :deploy (deploy shorted?)
                    :docker (docker shorted?))
       :workflows (ordered-map