diff --git a/pom.xml b/pom.xml
index 143582e31..aadc60c65 100644
--- a/pom.xml
+++ b/pom.xml
@@ -181,7 +181,7 @@
 		<dependency>
 			<groupId>com.approvaltests</groupId>
 			<artifactId>approvaltests</artifactId>
-			<version>15.5.0</version>
+			<version>18.5.0</version>
 			<scope>test</scope>
 		</dependency>
 	</dependencies>