diff --git a/proxies/live/apiproxy/policies/AssignMessage.SetMimeType.xml b/proxies/live/apiproxy/policies/AssignMessage.SetMimeType.xml
new file mode 100644
index 0000000..3ae218d
--- /dev/null
+++ b/proxies/live/apiproxy/policies/AssignMessage.SetMimeType.xml
@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
+<AssignMessage async="false" continueOnError="false" enabled="true" name="SetMimeType">
+    <DisplayName>Set Mime Type</DisplayName>
+    <Set>
+        <Headers>
+            <Header name="Content-Type">application/fhir+json</Header>
+        </Headers>
+    </Set>
+    <IgnoreUnresolvedVariables>true</IgnoreUnresolvedVariables>
+    <AssignTo createNew="false" transport="http" type="response"/>
+</AssignMessage>
\ No newline at end of file
diff --git a/proxies/live/apiproxy/targets/target.xml b/proxies/live/apiproxy/targets/target.xml
index d4f004b..49f1d02 100644
--- a/proxies/live/apiproxy/targets/target.xml
+++ b/proxies/live/apiproxy/targets/target.xml
@@ -18,6 +18,13 @@
       </Step>
     </Request>
   </PreFlow>
+  <PostFlow>
+      <Response>
+          <Step>
+              <Name>SetMimeType</Name>
+          </Step>
+      </Response>
+  </PostFlow>
   <FaultRules>
     <FaultRule name="unauthorized">
         <Step>