diff --git a/pom.xml b/pom.xml
index 437a9fe..25f40d5 100644
--- a/pom.xml
+++ b/pom.xml
@@ -36,7 +36,7 @@
         <expressions.version>1.7</expressions.version>
         <gson.version>2.3.1</gson.version>
         <phonenumbers.version>8.9.14</phonenumbers.version>
-        <junit.version>4.12</junit.version>
+        <junit.version>4.13.1</junit.version>
         <hamcrest.version>1.3</hamcrest.version>
 
         <!-- use UTF-8 for everything -->