diff --git a/_grammar-test/pom.xml b/_grammar-test/pom.xml
index 6a81b38..e9ea3a1 100644
--- a/_grammar-test/pom.xml
+++ b/_grammar-test/pom.xml
@@ -32,7 +32,7 @@
         <dependency>
             <groupId>org.slf4j</groupId>
             <artifactId>slf4j-api</artifactId>
-            <version>1.7.36</version>
+            <version>2.0.0</version>
         </dependency>
         <dependency>
             <groupId>org.slf4j</groupId>