diff --git a/jsyntrax/pom.xml b/jsyntrax/pom.xml
index 64156e0..5e1f4de 100644
--- a/jsyntrax/pom.xml
+++ b/jsyntrax/pom.xml
@@ -89,7 +89,7 @@
         <dependency>
             <groupId>com.approvaltests</groupId>
             <artifactId>approvaltests</artifactId>
-            <version>18.7.1</version>
+            <version>21.1.0</version>
             <scope>test</scope>
         </dependency>
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