diff --git a/assertj-mail/pom.xml b/assertj-mail/pom.xml
index 9d6ad96..ff33b4b 100644
--- a/assertj-mail/pom.xml
+++ b/assertj-mail/pom.xml
@@ -158,7 +158,7 @@
         <plugin>
           <groupId>com.github.spotbugs</groupId>
           <artifactId>spotbugs-maven-plugin</artifactId>
-          <version>4.8.6.6</version>
+          <version>4.9.1.0</version>
         </plugin>
         <plugin>
           <groupId>org.jacoco</groupId>