diff --git a/project.clj b/project.clj
index de62afb..bf795b6 100644
--- a/project.clj
+++ b/project.clj
@@ -23,7 +23,7 @@
                          [org.clojure/tools.logging "1.3.1"]
                          [org.clojure/tools.namespace "1.5.1"]
                          [cheshire "5.13.0"]
-                         [commons-codec "1.20.0"]
+                         [commons-codec "1.21.0"]
                          [commons-io "2.21.0"]
                          [org.bouncycastle/bcpkix-jdk18on "1.83"]
                          [org.bouncycastle/bcprov-jdk18on "1.83"]