diff --git a/pom.xml b/pom.xml
index f5a25a18..17ededbf 100644
--- a/pom.xml
+++ b/pom.xml
@@ -151,7 +151,7 @@
 		<maven-enforcer-plugin.version>3.0.0-M3</maven-enforcer-plugin.version>
 		<jacoco-maven-plugin.version>0.8.6</jacoco-maven-plugin.version>
 
-		<n5-spec.version>2.6.1</n5-spec.version>
+		<n5-spec.version>4.0.0</n5-spec.version>
 	</properties>
 
 	<dependencies>