diff --git a/build.gradle b/build.gradle
index b6a448ec..14f8e6a2 100644
--- a/build.gradle
+++ b/build.gradle
@@ -26,7 +26,7 @@ dependencies {
     compile group: 'com.amazonaws', name: 'aws-java-sdk-sts', version: '1.12.389'
 
     runtime group: 'org.apache.httpcomponents', name: 'httpclient', version: '4.5.13'
-    compile group: 'com.amazonaws', name: 'aws-java-sdk-qldb', version: '1.12.367'
+    compile group: 'com.amazonaws', name: 'aws-java-sdk-qldb', version: '1.12.504'
     compile group: 'com.amazonaws', name: 'amazon-kinesis-client', version: '1.14.8'
 
     compile group: 'com.fasterxml.jackson.dataformat', name: 'jackson-dataformat-ion', version: '2.14.1'