diff --git a/org.hl7.fhir.convertors/pom.xml b/org.hl7.fhir.convertors/pom.xml
index 934701ca5..52e5904db 100644
--- a/org.hl7.fhir.convertors/pom.xml
+++ b/org.hl7.fhir.convertors/pom.xml
@@ -78,7 +78,6 @@
         <dependency>
             <groupId>org.fhir</groupId>
             <artifactId>ucum</artifactId>
-            <version>1.0.3</version>
             <optional>true</optional>
         </dependency>
 
diff --git a/org.hl7.fhir.dstu2/pom.xml b/org.hl7.fhir.dstu2/pom.xml
index 982979400..5e154e7d2 100644
--- a/org.hl7.fhir.dstu2/pom.xml
+++ b/org.hl7.fhir.dstu2/pom.xml
@@ -32,7 +32,6 @@
         <dependency>
             <groupId>org.fhir</groupId>
             <artifactId>ucum</artifactId>
-            <version>1.0.3</version>
             <optional>true</optional>
         </dependency>
 
diff --git a/org.hl7.fhir.dstu2016may/pom.xml b/org.hl7.fhir.dstu2016may/pom.xml
index 14b6af817..4b7771c22 100644
--- a/org.hl7.fhir.dstu2016may/pom.xml
+++ b/org.hl7.fhir.dstu2016may/pom.xml
@@ -32,22 +32,7 @@
         <dependency>
             <groupId>org.fhir</groupId>
             <artifactId>ucum</artifactId>
-            <version>1.0.3</version>
             <optional>true</optional>
-            <exclusions>
-                <exclusion>
-                    <groupId>xpp3</groupId>
-                    <artifactId>xpp3</artifactId>
-                </exclusion>
-                <exclusion>
-                    <groupId>xpp3</groupId>
-                    <artifactId>xpp3_xpath</artifactId>
-                </exclusion>
-                <exclusion>
-                    <groupId>xpp3</groupId>
-                    <artifactId>xpp3_min</artifactId>
-                </exclusion>
-            </exclusions>
         </dependency>
 
         <!-- XML Parsers -->
diff --git a/org.hl7.fhir.dstu3/pom.xml b/org.hl7.fhir.dstu3/pom.xml
index d998ac341..fb4607ab2 100644
--- a/org.hl7.fhir.dstu3/pom.xml
+++ b/org.hl7.fhir.dstu3/pom.xml
@@ -32,7 +32,6 @@
         <dependency>
             <groupId>org.fhir</groupId>
             <artifactId>ucum</artifactId>
-            <version>1.0.3</version>
             <optional>true</optional>
         </dependency>
 
diff --git a/org.hl7.fhir.r4/pom.xml b/org.hl7.fhir.r4/pom.xml
index 3a30dd259..7c4e8014f 100644
--- a/org.hl7.fhir.r4/pom.xml
+++ b/org.hl7.fhir.r4/pom.xml
@@ -39,7 +39,6 @@
 		<dependency>
 			<groupId>org.fhir</groupId>
 			<artifactId>ucum</artifactId>
-			<version>1.0.3</version>
 			<optional>true</optional>
 		</dependency>
 
diff --git a/org.hl7.fhir.r4b/pom.xml b/org.hl7.fhir.r4b/pom.xml
index 83af6a56c..a0d87e6d6 100644
--- a/org.hl7.fhir.r4b/pom.xml
+++ b/org.hl7.fhir.r4b/pom.xml
@@ -38,7 +38,6 @@
 		<dependency>
 			<groupId>org.fhir</groupId>
 			<artifactId>ucum</artifactId>
-			<version>1.0.3</version>
 			<optional>true</optional>
 		</dependency>
 
diff --git a/org.hl7.fhir.validation.cli/pom.xml b/org.hl7.fhir.validation.cli/pom.xml
index c63ba2d96..86a2a89eb 100644
--- a/org.hl7.fhir.validation.cli/pom.xml
+++ b/org.hl7.fhir.validation.cli/pom.xml
@@ -286,7 +286,6 @@
         <dependency>
             <groupId>org.fhir</groupId>
             <artifactId>ucum</artifactId>
-            <version>1.0.3</version>
         </dependency>
         <dependency>
             <groupId>xpp3</groupId>
diff --git a/org.hl7.fhir.validation/pom.xml b/org.hl7.fhir.validation/pom.xml
index 4a7d6c825..51904be86 100644
--- a/org.hl7.fhir.validation/pom.xml
+++ b/org.hl7.fhir.validation/pom.xml
@@ -120,7 +120,7 @@
         <dependency>
             <groupId>org.fhir</groupId>
             <artifactId>ucum</artifactId>
-            <version>1.0.3</version>
+            <optional>true</optional>
         </dependency>
 
         <!-- CQL-to-ELM -->
diff --git a/pom.xml b/pom.xml
index 649202ea9..49cc4a8fd 100644
--- a/pom.xml
+++ b/pom.xml
@@ -164,6 +164,11 @@
                 <artifactId>Saxon-HE</artifactId>
                 <version>${saxon_he_version}</version>
             </dependency>
+            <dependency>
+                <groupId>org.fhir</groupId>
+                <artifactId>ucum</artifactId>
+                <version>1.0.7</version>
+            </dependency>
 
             <dependency>
                 <groupId>mysql</groupId>