diff --git a/tests/tests.sln b/tests/tests.sln
index e910f0c5..d224d204 100644
--- a/tests/tests.sln
+++ b/tests/tests.sln
@@ -1,7 +1,7 @@
 
 Microsoft Visual Studio Solution File, Format Version 12.00
-# Visual Studio 2013
-VisualStudioVersion = 12.0.31101.0
+# Visual Studio 2015
+VisualStudioVersion = 14.0
 MinimumVisualStudioVersion = 10.0.40219.1
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "tests", "tests.vcxproj", "{59A07559-5F38-4DD6-A7FA-DB4153690B42}"
 EndProject