diff --git a/sci b/sci
index c8e4c2f4..9dab6065 160000
--- a/sci
+++ b/sci
@@ -1 +1 @@
-Subproject commit c8e4c2f46c8dbf2b1b1b2b1fcdd406e884380450
+Subproject commit 9dab60653651e94bc535f8a753def10b708ff7e8
diff --git a/src/babashka/impl/classes.clj b/src/babashka/impl/classes.clj
index e71cb599..1185bbb9 100644
--- a/src/babashka/impl/classes.clj
+++ b/src/babashka/impl/classes.clj
@@ -252,7 +252,8 @@
     :methods [borkdude.graal.LockFix] ;; support for locking
 
     :fields [clojure.lang.PersistentQueue]
-    :instance-checks [clojure.lang.Associative
+    :instance-checks [clojure.lang.APersistentMap ;; for proxy
+                      clojure.lang.Associative
                       clojure.lang.Atom
                       clojure.lang.Cons
                       clojure.lang.Counted
diff --git a/src/babashka/main.clj b/src/babashka/main.clj
index 06c7792d..6aa8dc1f 100644
--- a/src/babashka/main.clj
+++ b/src/babashka/main.clj
@@ -26,6 +26,7 @@
    [babashka.impl.pprint :refer [pprint-namespace]]
    [babashka.impl.process :refer [process-namespace]]
    [babashka.impl.protocols :refer [protocols-namespace]]
+   [babashka.impl.proxy :refer [proxy-fn]]
    [babashka.impl.reify :refer [reify-fn]]
    [babashka.impl.repl :as repl]
    [babashka.impl.socket-repl :as socket-repl]
@@ -570,7 +571,8 @@ Use -- to separate script command line args from bb command line args.
                   :load-fn load-fn
                   :uberscript uberscript
                   :readers core/data-readers
-                  :reify-fn reify-fn}
+                  :reify-fn reify-fn
+                  :proxy-fn proxy-fn}
             opts (addons/future opts)
             sci-ctx (sci/init opts)
             _ (vreset! common/ctx sci-ctx)