diff --git a/README.md b/README.md
index d9e14ee..c723136 100644
--- a/README.md
+++ b/README.md
@@ -90,13 +90,13 @@ nil
 An accumulator from zero to number `n`:
 
 ``` clj
-    (defun accum
-      ([0 ret] ret)
-      ([n ret] (recur (dec n) (+ n ret)))
-      ([n] (recur n 0)))
+(defun accum
+  ([0 ret] ret)
+  ([n ret] (recur (dec n) (+ n ret)))
+  ([n] (recur n 0)))
 
-	 (accum 100)
-	 ;;5050
+(accum 100)
+;;5050
 ```
 
 A fibonacci function:
@@ -277,10 +277,11 @@ Thanks .
 - [kgann](https://github.com/kgann)
 - [danielcompton](https://github.com/danielcompton)
 - [Sander Dijkhuis](https://github.com/sander)
+- [@sskorokhodov](https://github.com/sskorokhodov)
 
 ## License
 
-Copyright © 2014 [Dennis Zhuang](mailto:killme2008@gmail.com)
+Copyright © 2023 [Dennis Zhuang](mailto:killme2008@gmail.com)
 
 Distributed under the Eclipse Public License either version 1.0 or (at
 
diff --git a/project.clj b/project.clj
index b75dd36..c387fe0 100644
--- a/project.clj
+++ b/project.clj
@@ -3,6 +3,6 @@
   :url "https://github.com/killme2008/defun"
   :license {:name "Eclipse Public License"
             :url "http://www.eclipse.org/legal/epl-v10.html"}
-  :dependencies [[org.clojure/clojure "1.8.0"]
+  :dependencies [[org.clojure/clojure "1.11.1"]
                  [org.clojure/core.match "1.0.1"]
                  [org.clojure/tools.macro "0.1.5"]])