diff --git a/pom.xml b/pom.xml
index c9a03bb..a2a3388 100644
--- a/pom.xml
+++ b/pom.xml
@@ -26,7 +26,7 @@
         <dependency>
             <groupId>com.approvaltests</groupId>
             <artifactId>approvaltests</artifactId>
-            <version>12.0.1</version>
+            <version>18.5.0</version>
         </dependency>
         <dependency>
             <groupId>com.google.code.gson</groupId>