diff --git a/Tests/MathUnitTests/MathUnitTests.nfproj b/Tests/MathUnitTests/MathUnitTests.nfproj
index d23f4c1..e6534be 100644
--- a/Tests/MathUnitTests/MathUnitTests.nfproj
+++ b/Tests/MathUnitTests/MathUnitTests.nfproj
@@ -38,11 +38,11 @@
     <Reference Include="mscorlib, Version=1.16.11.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
       <HintPath>..\..\packages\nanoFramework.CoreLibrary.1.16.11\lib\mscorlib.dll</HintPath>
     </Reference>
-    <Reference Include="nanoFramework.TestFramework, Version=3.0.60.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
-      <HintPath>..\..\packages\nanoFramework.TestFramework.3.0.60\lib\nanoFramework.TestFramework.dll</HintPath>
+    <Reference Include="nanoFramework.TestFramework, Version=3.0.66.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
+      <HintPath>..\..\packages\nanoFramework.TestFramework.3.0.66\lib\nanoFramework.TestFramework.dll</HintPath>
     </Reference>
     <Reference Include="nanoFramework.UnitTestLauncher, Version=0.0.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
-      <HintPath>..\..\packages\nanoFramework.TestFramework.3.0.60\lib\nanoFramework.UnitTestLauncher.exe</HintPath>
+      <HintPath>..\..\packages\nanoFramework.TestFramework.3.0.66\lib\nanoFramework.UnitTestLauncher.exe</HintPath>
     </Reference>
   </ItemGroup>
   <ItemGroup>
diff --git a/Tests/MathUnitTests/packages.config b/Tests/MathUnitTests/packages.config
index 4707a24..40ed97c 100644
--- a/Tests/MathUnitTests/packages.config
+++ b/Tests/MathUnitTests/packages.config
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="nanoFramework.CoreLibrary" version="1.16.11" targetFramework="netnano1.0" />
-  <package id="nanoFramework.TestFramework" version="3.0.60" targetFramework="netnano1.0" developmentDependency="true" />
+  <package id="nanoFramework.TestFramework" version="3.0.66" targetFramework="netnano1.0" developmentDependency="true" />
 </packages>
\ No newline at end of file
diff --git a/Tests/MathUnitTests/packages.lock.json b/Tests/MathUnitTests/packages.lock.json
index 69a3146..da31dcd 100644
--- a/Tests/MathUnitTests/packages.lock.json
+++ b/Tests/MathUnitTests/packages.lock.json
@@ -10,9 +10,9 @@
       },
       "nanoFramework.TestFramework": {
         "type": "Direct",
-        "requested": "[3.0.60, 3.0.60]",
-        "resolved": "3.0.60",
-        "contentHash": "O/4ViFY55cryqdhXOA1xY7tTMmXvi7TTW2Q/TOgMV78g+x1s8BB5Hh7S80qBmYgtvZ5FPhse8yS2ptzc1xHsJA=="
+        "requested": "[3.0.66, 3.0.66]",
+        "resolved": "3.0.66",
+        "contentHash": "eLvjJQ3/Gf3Wbj+zVDh5ZvKfnSXMb3TEHHsWiznh8bPI3Nc6YgONCmdbJKsniIxbIua29g0MavgRLesS2bOCmw=="
       }
     }
   }