diff --git a/project.clj b/project.clj
index c9429a6..61efd45 100644
--- a/project.clj
+++ b/project.clj
@@ -18,7 +18,7 @@
                          [org.clojure/java.jmx "1.1.1"]
                          [org.clojure/tools.logging "1.3.1"]
 
-                         [commons-codec "1.20.0"]
+                         [commons-codec "1.21.0"]
                          [commons-io "2.21.0"]
                          [cheshire "5.13.0"]
                          [org.apache.httpcomponents/httpasyncclient "4.1.5"]