diff --git a/build.gradle b/build.gradle
index 24150915..df92c64c 100644
--- a/build.gradle
+++ b/build.gradle
@@ -47,7 +47,7 @@ subprojects {
         snakeyamlVersion = '1.26'
         junitVersion = '4.13'
         mockitoVersion = '2.28.2'
-        truthVersion = '1.3.0'
+        truthVersion = '1.4.0'
         tcsVersion = '0.0.1'
 
         // All Tsunami dependencies.