diff --git a/src/OrigoDB.Core.UnitTests/packages.config b/src/OrigoDB.Core.UnitTests/packages.config
index aa2c91f..662e94b 100644
--- a/src/OrigoDB.Core.UnitTests/packages.config
+++ b/src/OrigoDB.Core.UnitTests/packages.config
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="FakeItEasy" version="1.25.3" targetFramework="net40" />
-  <package id="NUnit" version="2.6.4" targetFramework="net40" />
+  <package id="NUnit" version="3.12.0" targetFramework="net40" />
 </packages>
\ No newline at end of file