diff --git a/spec/app/atom-spec.coffee b/spec/app/atom-spec.coffee
index 8b32d3d79..df2ff94d0 100644
--- a/spec/app/atom-spec.coffee
+++ b/spec/app/atom-spec.coffee
@@ -249,7 +249,7 @@ describe "the `atom` global", ->
         versionHandler.callCount > 0
 
       runs ->
-        expect(versionHandler.argsForCall[0][0]).toMatch /^\d+\.\d+(\.\d+)?$/
+        expect(versionHandler.argsForCall[0][0]).toMatch /^\d+\.\d+\.\w+$/
 
   describe "modal native dialogs", ->
     beforeEach ->