diff --git a/pom.xml b/pom.xml
index 8f34f83..541ca26 100644
--- a/pom.xml
+++ b/pom.xml
@@ -27,7 +27,7 @@
         <dependency>
             <groupId>org.web3j</groupId>
             <artifactId>core</artifactId>
-            <version>4.5.14</version>
+            <version>4.9.4</version>
         </dependency>
         <!-- https://mvnrepository.com/artifact/org.apache.commons/commons-lang3 -->
         <dependency>