diff --git a/project.clj b/project.clj
index b6fbc7a..e63c84e 100644
--- a/project.clj
+++ b/project.clj
@@ -14,7 +14,7 @@
                          [org.clojure/tools.logging "1.3.1"]
                          [cheshire "5.13.0"]
                          [clj-time "0.15.2"]
-                         [commons-codec "1.20.0"]
+                         [commons-codec "1.21.0"]
                          
                          [org.slf4j/slf4j-api "2.0.17"]
                          [prismatic/schema "1.4.1"]