diff --git a/pom.xml b/pom.xml
index 897b605..d170dbc 100644
--- a/pom.xml
+++ b/pom.xml
@@ -45,7 +45,7 @@
         <javax-mail.version>1.4.7</javax-mail.version>
         <subethasmtp.version>3.1.7</subethasmtp.version>
         <junit.version>5.6.2</junit.version>
-        <mockito-core.version>3.5.7</mockito-core.version>
+        <mockito-core.version>3.5.9</mockito-core.version>
         <simple-java-mail.version>3.1.1</simple-java-mail.version>
         <spring-framework.version>5.2.8.RELEASE</spring-framework.version>