diff --git a/sci b/sci
index 78818bf6..4d72c48b 160000
--- a/sci
+++ b/sci
@@ -1 +1 @@
-Subproject commit 78818bf63c2f9eb0d916a02be5607f434ac5ea22
+Subproject commit 4d72c48bbffb9284a97e4b91221b3d56f3ae7b24
diff --git a/src/babashka/impl/clojure/core.clj b/src/babashka/impl/clojure/core.clj
index 26a6aaa8..895cfb7b 100644
--- a/src/babashka/impl/clojure/core.clj
+++ b/src/babashka/impl/clojure/core.clj
@@ -8,6 +8,7 @@
             [clojure.string :as str]
             [sci.core :as sci]
             [sci.impl.namespaces :refer [copy-core-var core-var macrofy]]
+            [sci.impl.parser :as parser]
             [sci.impl.vars :as vars :refer [clojure-core-ns]]))
 
 (defn locking* [form bindings v f & args]
@@ -26,7 +27,7 @@
   ([sym] (core-dynamic-var sym nil))
   ([sym init-val] (sci/new-dynamic-var sym init-val {:ns clojure-core-ns})))
 
-(def data-readers (core-dynamic-var '*data-readers* {}))
+(def data-readers parser/data-readers)
 (def command-line-args (core-dynamic-var '*command-line-args*))
 (def warn-on-reflection (core-dynamic-var '*warn-on-reflection* false))
 (def math-context (core-dynamic-var '*math-context*))
diff --git a/src/babashka/main.clj b/src/babashka/main.clj
index 10d2aa11..71ccd55a 100644
--- a/src/babashka/main.clj
+++ b/src/babashka/main.clj
@@ -739,7 +739,7 @@ Use bb run --help to show this help output.
                   :imports classes/imports
                   :load-fn load-fn
                   :uberscript uberscript
-                  :readers core/data-readers
+                  ;; :readers core/data-readers
                   :reify-fn reify-fn
                   :proxy-fn proxy-fn}
             opts (addons/future opts)