diff --git a/Labs/1_Revit_API_Intro/SourceVB/6_ExtensibleStorage.vb b/Labs/1_Revit_API_Intro/SourceVB/6_ExtensibleStorage.vb
index f8a1c80..776b725 100644
--- a/Labs/1_Revit_API_Intro/SourceVB/6_ExtensibleStorage.vb
+++ b/Labs/1_Revit_API_Intro/SourceVB/6_ExtensibleStorage.vb
@@ -133,8 +133,6 @@ Friend Class ExtensibleStorage
 
         ' Set unit type
 
-fieldBuilder1.SetSpec(SpecTypeId.Length) ' 2022
-
         'fieldBuilder1.SetUnitType(UnitType.UT_Length) ' 2020
         fieldBuilder1.SetSpec(SpecTypeId.Length) ' 2021
 
diff --git a/Labs/2_Revit_UI_API/SourceCS/UiCs.csproj b/Labs/2_Revit_UI_API/SourceCS/UiCs.csproj
index cc2f4d3..f82a4b2 100644
--- a/Labs/2_Revit_UI_API/SourceCS/UiCs.csproj
+++ b/Labs/2_Revit_UI_API/SourceCS/UiCs.csproj
@@ -65,11 +65,11 @@
       <RequiredTargetFramework>3.0</RequiredTargetFramework>
     </Reference>
     <Reference Include="RevitAPI">
-      <HintPath>C:\Program Files\Autodesk\Revit 2021\RevitAPI.dll</HintPath>
+      <HintPath>C:\Program Files\Autodesk\Revit 2022\RevitAPI.dll</HintPath>
       <Private>False</Private>
     </Reference>
     <Reference Include="RevitAPIUI">
-      <HintPath>C:\Program Files\Autodesk\Revit 2021\RevitAPIUI.dll</HintPath>
+      <HintPath>C:\Program Files\Autodesk\Revit 2022\RevitAPIUI.dll</HintPath>
       <Private>False</Private>
     </Reference>
     <Reference Include="System" />
diff --git a/Labs/2_Revit_UI_API/SourceVB/UiVb.vbproj b/Labs/2_Revit_UI_API/SourceVB/UiVb.vbproj
index 2f5a02a..45cc214 100644
--- a/Labs/2_Revit_UI_API/SourceVB/UiVb.vbproj
+++ b/Labs/2_Revit_UI_API/SourceVB/UiVb.vbproj
@@ -70,11 +70,11 @@
       <RequiredTargetFramework>3.0</RequiredTargetFramework>
     </Reference>
     <Reference Include="RevitAPI">
-      <HintPath>C:\Program Files\Autodesk\Revit 2021\RevitAPI.dll</HintPath>
+      <HintPath>C:\Program Files\Autodesk\Revit 2022\RevitAPI.dll</HintPath>
       <Private>False</Private>
     </Reference>
     <Reference Include="RevitAPIUI">
-      <HintPath>C:\Program Files\Autodesk\Revit 2021\RevitAPIUI.dll</HintPath>
+      <HintPath>C:\Program Files\Autodesk\Revit 2022\RevitAPIUI.dll</HintPath>
       <Private>False</Private>
     </Reference>
     <Reference Include="System" />
diff --git a/Labs/3_Revit_Family_API/SourceCS/FamilyCs.csproj b/Labs/3_Revit_Family_API/SourceCS/FamilyCs.csproj
index c518cae..29dc8c0 100644
--- a/Labs/3_Revit_Family_API/SourceCS/FamilyCs.csproj
+++ b/Labs/3_Revit_Family_API/SourceCS/FamilyCs.csproj
@@ -57,11 +57,11 @@
   </PropertyGroup>
   <ItemGroup>
     <Reference Include="RevitAPI">
-      <HintPath>C:\Program Files\Autodesk\Revit 2021\RevitAPI.dll</HintPath>
+      <HintPath>C:\Program Files\Autodesk\Revit 2022\RevitAPI.dll</HintPath>
       <Private>False</Private>
     </Reference>
     <Reference Include="RevitAPIUI">
-      <HintPath>C:\Program Files\Autodesk\Revit 2021\RevitAPIUI.dll</HintPath>
+      <HintPath>C:\Program Files\Autodesk\Revit 2022\RevitAPIUI.dll</HintPath>
       <Private>False</Private>
     </Reference>
     <Reference Include="System" />
diff --git a/Labs/3_Revit_Family_API/SourceVB/FamilyVb.vbproj b/Labs/3_Revit_Family_API/SourceVB/FamilyVb.vbproj
index 8ff7c8d..e422a58 100644
--- a/Labs/3_Revit_Family_API/SourceVB/FamilyVb.vbproj
+++ b/Labs/3_Revit_Family_API/SourceVB/FamilyVb.vbproj
@@ -65,11 +65,11 @@
       <RequiredTargetFramework>3.0</RequiredTargetFramework>
     </Reference>
     <Reference Include="RevitAPI">
-      <HintPath>C:\Program Files\Autodesk\Revit 2021\RevitAPI.dll</HintPath>
+      <HintPath>C:\Program Files\Autodesk\Revit 2022\RevitAPI.dll</HintPath>
       <Private>False</Private>
     </Reference>
     <Reference Include="RevitAPIUI">
-      <HintPath>C:\Program Files\Autodesk\Revit 2021\RevitAPIUI.dll</HintPath>
+      <HintPath>C:\Program Files\Autodesk\Revit 2022\RevitAPIUI.dll</HintPath>
       <Private>False</Private>
     </Reference>
     <Reference Include="System" />