diff --git a/pom.xml b/pom.xml
index dd21a32..0a93296 100644
--- a/pom.xml
+++ b/pom.xml
@@ -37,7 +37,7 @@
         <dependency>
             <groupId>com.slack.api</groupId>
             <artifactId>slack-api-client</artifactId>
-            <version>1.6.1</version>
+            <version>1.9.0</version>
         </dependency>
         <dependency>
             <groupId>com.slack.api</groupId>