diff --git a/pom.xml b/pom.xml
index a39a958..83e934c 100644
--- a/pom.xml
+++ b/pom.xml
@@ -101,7 +101,7 @@
       <plugin> <!-- automate release commits -->
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-release-plugin</artifactId>
-        <version>3.1.1</version>
+        <version>3.2.0</version>
         <configuration>
           <tagNameFormat>v@{project.version}</tagNameFormat>
           <arguments>-DskipTests</arguments> <!-- when doing a local release, don't wait for tests, they're long and slow -->
@@ -294,7 +294,7 @@
           <plugin> <!-- generate sources jar -->
             <groupId>org.apache.maven.plugins</groupId>
             <artifactId>maven-source-plugin</artifactId>
-            <version>3.3.1</version>
+            <version>3.4.0</version>
             <executions>
               <execution>
                 <id>attach-sources</id>