diff --git a/sci b/sci
index b5ccfc3a..13cc8d33 160000
--- a/sci
+++ b/sci
@@ -1 +1 @@
-Subproject commit b5ccfc3ae4c4fdc01d781114d2b01f5286f206ef
+Subproject commit 13cc8d33a8f8bc586825168f992cd486d436cbeb
diff --git a/src/babashka/impl/classes.clj b/src/babashka/impl/classes.clj
index 228d17e1..85357db3 100644
--- a/src/babashka/impl/classes.clj
+++ b/src/babashka/impl/classes.clj
@@ -84,7 +84,10 @@
     java.net.Inet6Address
     {:methods [{:name "getHostAddress"}]}
     clojure.lang.IFn
-    {:methods [{:name "applyTo"}]}})
+    {:methods [{:name "applyTo"}]}
+    clojure.lang.MultiFn
+    {:methods [{:name "dispatchFn"}
+               {:name "getMethod"}]}})
 
 (def custom-map
   (cond->
@@ -415,7 +418,6 @@
                       clojure.lang.LispReader$Resolver
                       clojure.lang.Named
                       clojure.lang.Keyword
-                      clojure.lang.MultiFn
                       clojure.lang.PersistentArrayMap
                       clojure.lang.PersistentHashMap
                       clojure.lang.PersistentHashSet