diff --git a/Gemfile.lock b/Gemfile.lock
index 67fcad8f3..675850e6c 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,7 +1,7 @@
 PATH
   remote: .
   specs:
-    fhir_models (4.0.1)
+    fhir_models (4.0.2)
       bcp47 (>= 0.3)
       date_time_precision (>= 0.8)
       mime-types (>= 3.0)
diff --git a/lib/fhir_models/version.rb b/lib/fhir_models/version.rb
index 944d99617..6ac52fb5c 100644
--- a/lib/fhir_models/version.rb
+++ b/lib/fhir_models/version.rb
@@ -1,5 +1,5 @@
 module FHIR
   module Models
-    VERSION = '4.0.1'.freeze
+    VERSION = '4.0.2'.freeze
   end
 end