diff --git a/core/pom.xml b/core/pom.xml
index 7116b91..d1b02d2 100644
--- a/core/pom.xml
+++ b/core/pom.xml
@@ -30,7 +30,7 @@
       <hibernate.version>5.4.8.Final</hibernate.version>
       <olingo.version>2.0.11</olingo.version>
       <solr.version>5.5.3</solr.version>
-      <spring.version>5.2.1.RELEASE</spring.version>
+      <spring.version>5.2.20.RELEASE</spring.version>
       <spring_security.version>5.2.1.RELEASE</spring_security.version>
       <log4j.version>2.17.1</log4j.version>
       <tomcat.version>8.5.42</tomcat.version>