diff --git a/polaris_ranger_ev/model-1_3.sdf b/polaris_ranger_ev/model-1_4.sdf
similarity index 99%
rename from polaris_ranger_ev/model-1_3.sdf
rename to polaris_ranger_ev/model-1_4.sdf
index 6374340..f207483 100644
--- a/polaris_ranger_ev/model-1_3.sdf
+++ b/polaris_ranger_ev/model-1_4.sdf
@@ -1,5 +1,5 @@
 <?xml version="1.0"?>
-<sdf version="1.3">
+<sdf version="1.4">
   <model name="polaris_ranger_ev">
     <link name="chassis">
       <inertial>
diff --git a/polaris_ranger_ev/model.config b/polaris_ranger_ev/model.config
index ecb0b33..f123738 100644
--- a/polaris_ranger_ev/model.config
+++ b/polaris_ranger_ev/model.config
@@ -4,6 +4,7 @@
   <name>Polaris Ranger EV</name>
   <version>1.0</version>
   <sdf version="1.3">model-1_3.sdf</sdf>
+  <sdf version="1.4">model-1_4.sdf</sdf>
 
   <author>
     <name>Cole Biesemeyer</name>