diff --git a/pom.xml b/pom.xml
index b2a50c6..02106ab 100644
--- a/pom.xml
+++ b/pom.xml
@@ -22,7 +22,7 @@
         <dependency>
             <groupId>org.web3j</groupId>
             <artifactId>core</artifactId>
-            <version>${web3j.version}</version>
+            <version>4.8.7</version>
         </dependency>
         <dependency>
             <groupId>ch.qos.logback</groupId>
@@ -63,4 +63,4 @@
         </plugins>
     </build>
 
-</project>
\ No newline at end of file
+</project>