diff --git a/singletonclient/UnitTestSingletonIcu/packages.config b/singletonclient/UnitTestSingletonIcu/packages.config
index 2f7c5a189..c407ae567 100644
--- a/singletonclient/UnitTestSingletonIcu/packages.config
+++ b/singletonclient/UnitTestSingletonIcu/packages.config
@@ -1,5 +1,5 @@
-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="MSTest.TestAdapter" version="1.3.2" targetFramework="net472" />
+  <package id="MSTest.TestAdapter" version="3.1.1" targetFramework="net472" />
   <package id="MSTest.TestFramework" version="1.3.2" targetFramework="net472" />
 </packages>
\ No newline at end of file