diff --git a/java-collections-conversions/pom.xml b/java-collections-conversions/pom.xml
index e76181c9af..ae800b21c1 100644
--- a/java-collections-conversions/pom.xml
+++ b/java-collections-conversions/pom.xml
@@ -39,7 +39,7 @@
     </build>
 
     <properties>
-        <commons-collections4.version>4.1</commons-collections4.version>
+        <commons-collections4.version>4.4</commons-collections4.version>
     </properties>
 
 </project>
\ No newline at end of file
diff --git a/parent-java/pom.xml b/parent-java/pom.xml
index 09d7f4c96d..103b5f179c 100644
--- a/parent-java/pom.xml
+++ b/parent-java/pom.xml
@@ -41,7 +41,7 @@
     </dependencies>
 
     <properties>
-        <guava.version>29.0-jre</guava.version>
+        <guava.version>31.0.1-jre</guava.version>
         <modelmapper.version>2.3.7</modelmapper.version>
         <hamcrest.version>2.2</hamcrest.version>
     </properties>