diff --git a/testing-modules/assertion-libraries/pom.xml b/testing-modules/assertion-libraries/pom.xml
index b5cfd711d2..ea9a37afaf 100644
--- a/testing-modules/assertion-libraries/pom.xml
+++ b/testing-modules/assertion-libraries/pom.xml
@@ -77,7 +77,7 @@
 
     <properties>
         <truth.version>0.32</truth.version>
-        <assertj-guava.version>3.1.0</assertj-guava.version>
+        <assertj-guava.version>3.4.0</assertj-guava.version>
         <assertj-generator.version>2.1.0</assertj-generator.version>
         <javalite.version>1.4.13</javalite.version>
         <jgotesting.version>0.12</jgotesting.version>