diff --git a/pom.xml b/pom.xml
index 09ac1a3..41fc2af 100644
--- a/pom.xml
+++ b/pom.xml
@@ -58,10 +58,10 @@
 
         <!-- plugin versions -->
         <flatten-maven-plugin.version>1.6.0</flatten-maven-plugin.version>
-        <maven-surefire-plugin.version>3.2.5</maven-surefire-plugin.version>
+        <maven-surefire-plugin.version>3.4.0</maven-surefire-plugin.version>
         <maven-source-plugin.version>3.3.1</maven-source-plugin.version>
-        <maven-javadoc-plugin.version>3.7.0</maven-javadoc-plugin.version>
-        <maven-gpg-plugin.version>3.2.4</maven-gpg-plugin.version>
+        <maven-javadoc-plugin.version>3.8.0</maven-javadoc-plugin.version>
+        <maven-gpg-plugin.version>3.2.5</maven-gpg-plugin.version>
         <central-publishing-maven-plugin.version>0.5.0</central-publishing-maven-plugin.version>
 
         <!-- dependency versions-->