diff --git a/pom.xml b/pom.xml
index 43a2c46..ceee97c 100644
--- a/pom.xml
+++ b/pom.xml
@@ -58,9 +58,9 @@
 
         <!-- plugin versions -->
         <flatten-maven-plugin.version>1.6.0</flatten-maven-plugin.version>
-        <maven-surefire-plugin.version>3.5.1</maven-surefire-plugin.version>
+        <maven-surefire-plugin.version>3.5.2</maven-surefire-plugin.version>
         <maven-source-plugin.version>3.3.1</maven-source-plugin.version>
-        <maven-javadoc-plugin.version>3.10.1</maven-javadoc-plugin.version>
+        <maven-javadoc-plugin.version>3.11.1</maven-javadoc-plugin.version>
         <maven-gpg-plugin.version>3.2.7</maven-gpg-plugin.version>
         <central-publishing-maven-plugin.version>0.6.0</central-publishing-maven-plugin.version>