diff --git a/System.IO.FileSystem.UnitTests/System.IO.FileSystem.UnitTests.nfproj b/System.IO.FileSystem.UnitTests/System.IO.FileSystem.UnitTests.nfproj
index 4a0fd16..2629603 100644
--- a/System.IO.FileSystem.UnitTests/System.IO.FileSystem.UnitTests.nfproj
+++ b/System.IO.FileSystem.UnitTests/System.IO.FileSystem.UnitTests.nfproj
@@ -61,11 +61,11 @@
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       <HintPath>..\packages\nanoFramework.System.Text.1.3.36\lib\nanoFramework.System.Text.dll</HintPath>
     </Reference>
-    <Reference Include="nanoFramework.TestFramework, Version=3.0.69.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
-      <HintPath>..\packages\nanoFramework.TestFramework.3.0.69\lib\nanoFramework.TestFramework.dll</HintPath>
+    <Reference Include="nanoFramework.TestFramework, Version=3.0.73.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
+      <HintPath>..\packages\nanoFramework.TestFramework.3.0.73\lib\nanoFramework.TestFramework.dll</HintPath>
     </Reference>
     <Reference Include="nanoFramework.UnitTestLauncher, Version=0.0.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
-      <HintPath>..\packages\nanoFramework.TestFramework.3.0.69\lib\nanoFramework.UnitTestLauncher.exe</HintPath>
+      <HintPath>..\packages\nanoFramework.TestFramework.3.0.73\lib\nanoFramework.UnitTestLauncher.exe</HintPath>
     </Reference>
     <Reference Include="System.IO.Streams, Version=1.1.91.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
       <HintPath>..\packages\nanoFramework.System.IO.Streams.1.1.91\lib\System.IO.Streams.dll</HintPath>
diff --git a/System.IO.FileSystem.UnitTests/packages.config b/System.IO.FileSystem.UnitTests/packages.config
index 552d589..e6fed4c 100644
--- a/System.IO.FileSystem.UnitTests/packages.config
+++ b/System.IO.FileSystem.UnitTests/packages.config
@@ -3,5 +3,5 @@
   <package id="nanoFramework.CoreLibrary" version="1.17.7" targetFramework="netnano1.0" />
   <package id="nanoFramework.System.IO.Streams" version="1.1.91" targetFramework="netnano1.0" />
   <package id="nanoFramework.System.Text" version="1.3.36" targetFramework="netnano1.0" />
-  <package id="nanoFramework.TestFramework" version="3.0.69" targetFramework="netnano1.0" developmentDependency="true" />
+  <package id="nanoFramework.TestFramework" version="3.0.73" targetFramework="netnano1.0" developmentDependency="true" />
 </packages>
\ No newline at end of file
diff --git a/System.IO.FileSystem.UnitTests/packages.lock.json b/System.IO.FileSystem.UnitTests/packages.lock.json
index 3b8584f..25c3f12 100644
--- a/System.IO.FileSystem.UnitTests/packages.lock.json
+++ b/System.IO.FileSystem.UnitTests/packages.lock.json
@@ -22,9 +22,9 @@
       },
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-        "resolved": "3.0.69",
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+        "requested": "[3.0.73, 3.0.73]",
+        "resolved": "3.0.73",
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