diff --git a/org.hl7.fhir.dstu2/pom.xml b/org.hl7.fhir.dstu2/pom.xml
index 031ddeb4f..60a5bcf50 100644
--- a/org.hl7.fhir.dstu2/pom.xml
+++ b/org.hl7.fhir.dstu2/pom.xml
@@ -55,7 +55,7 @@
         <dependency>
             <groupId>org.apache.poi</groupId>
             <artifactId>poi</artifactId>
-            <version>4.0.1</version>
+            <version>4.1.1</version>
             <optional>true</optional>
         </dependency>
         <dependency>