diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index d8af76f..0362f6a 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -5,7 +5,7 @@ rundeckCore = "5.14.0-rc1-20250722"
 nexusPublish = "2.0.0"
 spock = "2.3-groovy-3.0"
 # Security overrides for transitive dependencies
-commonsLang3 = "3.18.0"
+commonsLang3 = "3.20.0"
 
 [libraries]
 rundeckCore = { group = "org.rundeck", name = "rundeck-core", version.ref = "rundeckCore" }