diff --git a/client/build.gradle b/client/build.gradle
index d4be2eb6..138f68c3 100644
--- a/client/build.gradle
+++ b/client/build.gradle
@@ -22,7 +22,7 @@ dependencies {
     implementation "org.apache.logging.log4j:log4j-slf4j2-impl:$log4jVersion"
 
     // https://github.com/slackapi/java-slack-sdk/releases
-    implementation 'com.slack.api:slack-api-client:1.31.0'
+    implementation 'com.slack.api:slack-api-client:1.34.0'
     // https://mvnrepository.com/artifact/org.java-websocket/Java-WebSocket
     implementation 'org.java-websocket:Java-WebSocket:1.5.3'