diff --git a/pom.xml b/pom.xml
index c15f73f1..dcba4f95 100644
--- a/pom.xml
+++ b/pom.xml
@@ -153,14 +153,14 @@
             <!-- json parsing -->
             <groupId>com.google.code.gson</groupId>
             <artifactId>gson</artifactId>
-            <version>2.8.7</version>
+            <version>2.8.9</version>
             <scope>compile</scope>
         </dependency>
         <dependency>
             <!-- https://mvnrepository.com/artifact/com.google.protobuf/protobuf-java -->
             <groupId>com.google.protobuf</groupId>
             <artifactId>protobuf-java</artifactId>
-            <version>3.17.3</version>
+            <version>4.0.0-rc-2</version>
         </dependency>
         <dependency>
             <!-- openxml generation -->
@@ -282,6 +282,7 @@
                 <version>1.0-beta-1</version>
                 <executions>
                     <execution>
+                        <?m2e execute onConfiguration?>
                         <goals>
                             <goal>native2ascii</goal>
                         </goals>