diff --git a/pom.xml b/pom.xml
index e8e5e0a58f..9bf03049d1 100644
--- a/pom.xml
+++ b/pom.xml
@@ -145,7 +145,7 @@
     <logback.version>1.5.21</logback.version>
     <maven.clean.plugin.version>3.2.0</maven.clean.plugin.version>
     <milo.version>0.6.16</milo.version>
-    <mockito.version>5.20.0</mockito.version>
+    <mockito.version>5.21.0</mockito.version>
     <!-- Netty 4.2.x seems to break the serial transports -->
     <netty.version>4.1.123.Final</netty.version>
     <pcap4j.version>1.8.2</pcap4j.version>