diff --git a/value/pom.xml b/value/pom.xml
index e7a05a0896..bda314ef39 100644
--- a/value/pom.xml
+++ b/value/pom.xml
@@ -148,7 +148,7 @@
       </plugin>
       <plugin>
         <artifactId>maven-source-plugin</artifactId>
-        <version>3.3.1</version>
+        <version>3.4.0</version>
         <executions>
           <execution>
             <id>attach-sources</id>
diff --git a/value/processor/pom.xml b/value/processor/pom.xml
index c5532fa398..e2822f52d7 100644
--- a/value/processor/pom.xml
+++ b/value/processor/pom.xml
@@ -41,7 +41,7 @@
 
   <properties>
     <auto-service.version>1.1.1</auto-service.version>
-    <errorprone.version>2.44.0</errorprone.version>
+    <errorprone.version>2.45.0</errorprone.version>
   </properties>
 
   <dependencies>
diff --git a/value/src/it/gwtserializer/pom.xml b/value/src/it/gwtserializer/pom.xml
index ec0cbacf5e..b9fee1e523 100644
--- a/value/src/it/gwtserializer/pom.xml
+++ b/value/src/it/gwtserializer/pom.xml
@@ -114,7 +114,7 @@
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-resources-plugin</artifactId>
-        <version>3.3.1</version>
+        <version>3.4.0</version>
         <executions>
           <execution>
             <!-- postpone resources:testResources until after compiler:testCompile to get generated sources -->