diff --git a/fhir_client.gemspec b/fhir_client.gemspec
index 05f9276a..e1f25f88 100644
--- a/fhir_client.gemspec
+++ b/fhir_client.gemspec
@@ -22,7 +22,7 @@ Gem::Specification.new do |spec|
 
   spec.add_dependency 'activesupport', '>= 3'
   spec.add_dependency 'addressable', '>= 2.3'
-  spec.add_dependency 'fhir_models', '>= 4.0.1'
+  spec.add_dependency 'fhir_models', '>= 4.0.2'
   spec.add_dependency 'fhir_stu3_models', '>= 3.0.1'
   spec.add_dependency 'fhir_dstu2_models', '>= 1.0.10'
   spec.add_dependency 'nokogiri', '>= 1.10.4'
diff --git a/lib/fhir_client/version.rb b/lib/fhir_client/version.rb
index ce4ddce2..dab3eb3f 100644
--- a/lib/fhir_client/version.rb
+++ b/lib/fhir_client/version.rb
@@ -1,5 +1,5 @@
 module FHIR
   class Client
-    VERSION = '4.0.2'
+    VERSION = '4.0.3'
   end
 end