diff --git a/mockserver/pom.xml b/mockserver/pom.xml
index 7cb71baa5..83e046bb6 100644
--- a/mockserver/pom.xml
+++ b/mockserver/pom.xml
@@ -62,8 +62,8 @@
         <httpcomponents.version>4.4.1</httpcomponents.version>
         <bouncycastle.version>1.84</bouncycastle.version>
         <!-- highest Spring 5.x version (EOL); Spring 6 requires Jakarta EE 9+ (javax→jakarta namespace) -->
-        <spring.version>5.3.39</spring.version>
-        <spring-web.version>5.3.39</spring-web.version>
+        <spring.version>6.1.20</spring.version>
+        <spring-web.version>6.1.21</spring-web.version>
         <mockito.version>5.18.0</mockito.version>
         <hamcrest.version>3.0</hamcrest.version>
         <xmlunit.version>2.11.0</xmlunit.version>