diff --git a/pom.xml b/pom.xml
index 15688b0..ab538fd 100644
--- a/pom.xml
+++ b/pom.xml
@@ -204,7 +204,7 @@
 		<dependency>
 			<groupId>ca.uhn.hapi.fhir</groupId>
 			<artifactId>org.hl7.fhir.utilities</artifactId>
-			<version>6.3.6</version>
+			<version>6.4.0</version>
 		</dependency>
 
 		<!-- lombok -->