diff --git a/pom.xml b/pom.xml
index da0c17d..e544d3b 100644
--- a/pom.xml
+++ b/pom.xml
@@ -75,7 +75,7 @@
     <saxon-version>9.7.0-8</saxon-version>
     <slf4j-version>1.7.21</slf4j-version>
     <spring-security-version>4.0.4.RELEASE</spring-security-version>
-    <spring-version>4.3.4.RELEASE</spring-version>
+    <spring-version>5.3.19</spring-version>
     <xalan-version>2.7.2</xalan-version>
     <xbean.version>3.18</xbean.version>
     <xml-apis-version>1.4.01</xml-apis-version>