diff --git a/pom.xml b/pom.xml
index e411811..c021774 100644
--- a/pom.xml
+++ b/pom.xml
@@ -53,7 +53,7 @@
         <!-- At least one "structures" JAR must also be included -->
         <dependency>
             <groupId>ca.uhn.hapi.fhir</groupId>
-            <artifactId>hapi-fhir-structures-dstu3</artifactId>
+            <artifactId>hapi-fhir-structures-r4</artifactId>
             <version>${project.version}</version>
         </dependency>
 
diff --git a/src/main/resources/hapi.properties b/src/main/resources/hapi.properties
index e128f2c..99e6a9a 100644
--- a/src/main/resources/hapi.properties
+++ b/src/main/resources/hapi.properties
@@ -2,7 +2,7 @@
 # Adjust this to set the version of FHIR supported by this server. See
 # FhirVersionEnum for a list of available constants. Example values include
 # DSTU2, DSTU3, R4.
-fhir_version=DSTU3
+fhir_version=R4
 
 # This is the address that the FHIR server will report as its own address.
 # If this server will be deployed (for example) to an internet accessible