diff --git a/sci b/sci
index 662071df..b5ccfc3a 160000
--- a/sci
+++ b/sci
@@ -1 +1 @@
-Subproject commit 662071df00f3ce793b16a897cf4ba393fef48b92
+Subproject commit b5ccfc3ae4c4fdc01d781114d2b01f5286f206ef
diff --git a/src/babashka/impl/clojure/core.clj b/src/babashka/impl/clojure/core.clj
index 8af57fe0..42e9ae27 100644
--- a/src/babashka/impl/clojure/core.clj
+++ b/src/babashka/impl/clojure/core.clj
@@ -201,5 +201,6 @@
    'random-uuid (sci/copy-var random-uuid clojure-core-ns)
    'NaN? (sci/copy-var NaN? clojure-core-ns)
    'infinite? (sci/copy-var infinite? clojure-core-ns)
-   'StackTraceElement->vec (sci/copy-var StackTraceElement->vec clojure-core-ns)}
+   'StackTraceElement->vec (sci/copy-var StackTraceElement->vec clojure-core-ns)
+   'memfn (sci/copy-var memfn clojure-core-ns)}
   )