diff --git a/org.hl7.fhir.validation/pom.xml b/org.hl7.fhir.validation/pom.xml
index 81f8ae902..3d00abc2b 100644
--- a/org.hl7.fhir.validation/pom.xml
+++ b/org.hl7.fhir.validation/pom.xml
@@ -93,7 +93,12 @@
             <groupId>org.apache.httpcomponents</groupId>
             <artifactId>httpclient</artifactId>
         </dependency>
-
+        <dependency>
+            <groupId>org.fhir</groupId>
+            <artifactId>ucum</artifactId>
+            <version>1.0.2</version>
+        </dependency>
+        
     </dependencies>
 
     <build>