diff --git a/pom.xml b/pom.xml
index dd21a32..6f4bf57 100644
--- a/pom.xml
+++ b/pom.xml
@@ -47,7 +47,7 @@
         <dependency>
             <groupId>com.slack.api</groupId>
             <artifactId>slack-app-backend</artifactId>
-            <version>1.6.1</version>
+            <version>1.9.0</version>
         </dependency>
         <dependency>
             <groupId>org.springframework.data</groupId>