diff --git a/pom.xml b/pom.xml
index 9256792..a0aa1d6 100644
--- a/pom.xml
+++ b/pom.xml
@@ -25,7 +25,7 @@
     <json.schema.validation.version>1.11.1</json.schema.validation.version>
     <slf4j.version>1.7.28</slf4j.version>
     <commons-jexl3.version>3.1</commons-jexl3.version>
-    <spel.version>5.1.9.RELEASE</spel.version>
+    <spel.version>5.2.21.RELEASE</spel.version>
   </properties>
   
   <repositories>