diff --git a/GoogleTestExtension/DiaAdapterTests/packages.config b/GoogleTestExtension/DiaAdapterTests/packages.config
index 1d58ac253..a60ebfdf4 100644
--- a/GoogleTestExtension/DiaAdapterTests/packages.config
+++ b/GoogleTestExtension/DiaAdapterTests/packages.config
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="Moq" version="4.2.1510.2205" targetFramework="net452" />
-  <package id="OpenCover" version="4.6.210-rc" targetFramework="net452" />
+  <package id="OpenCover" version="4.6.166" targetFramework="net452" />
 </packages>
\ No newline at end of file
diff --git a/GoogleTestExtension/GoogleTestAdapterTests/packages.config b/GoogleTestExtension/GoogleTestAdapterTests/packages.config
index 8814150dd..e97124f6b 100644
--- a/GoogleTestExtension/GoogleTestAdapterTests/packages.config
+++ b/GoogleTestExtension/GoogleTestAdapterTests/packages.config
@@ -2,5 +2,5 @@
 <packages>
   <package id="coveralls.net" version="0.6.0" targetFramework="net45" />
   <package id="Moq" version="4.2.1510.2205" targetFramework="net45" />
-  <package id="OpenCover" version="4.6.210-rc" targetFramework="net45" />
+  <package id="OpenCover" version="4.6.166" targetFramework="net45" />
 </packages>
\ No newline at end of file