diff --git a/ArchiSteamFarm/ArchiSteamFarm.csproj b/ArchiSteamFarm/ArchiSteamFarm.csproj
index 117f0a1c5..13a415505 100644
--- a/ArchiSteamFarm/ArchiSteamFarm.csproj
+++ b/ArchiSteamFarm/ArchiSteamFarm.csproj
@@ -105,7 +105,7 @@
       <HintPath>..\packages\protobuf-net.2.1.0\lib\net451\protobuf-net.dll</HintPath>
     </Reference>
     <Reference Include="SteamKit2, Version=2.0.0.0, Culture=neutral, processorArchitecture=MSIL">
-      <HintPath>..\packages\SteamKit2.2.0.0-Alpha3\lib\net46\SteamKit2.dll</HintPath>
+      <HintPath>..\packages\SteamKit2.2.0.0-Alpha4\lib\net46\SteamKit2.dll</HintPath>
     </Reference>
     <Reference Include="System" />
     <Reference Include="System.Configuration.Install" />
diff --git a/ArchiSteamFarm/packages.config b/ArchiSteamFarm/packages.config
index d1f55ec06..12fbe3d4e 100644
--- a/ArchiSteamFarm/packages.config
+++ b/ArchiSteamFarm/packages.config
@@ -52,5 +52,5 @@
   <package id="NLog" version="5.0.0-beta06" targetFramework="net461" />
   <package id="protobuf-net" version="2.1.0" targetFramework="net461" />
   <package id="Resource.Embedder" version="1.2.2" targetFramework="net461" developmentDependency="true" />
-  <package id="SteamKit2" version="2.0.0-Alpha3" targetFramework="net461" />
+  <package id="SteamKit2" version="2.0.0-Alpha4" targetFramework="net461" />
 </packages>
\ No newline at end of file
diff --git a/GUI/GUI.csproj b/GUI/GUI.csproj
index dc78677d3..840f924d7 100644
--- a/GUI/GUI.csproj
+++ b/GUI/GUI.csproj
@@ -78,7 +78,7 @@
       <HintPath>..\packages\protobuf-net.2.1.0\lib\net451\protobuf-net.dll</HintPath>
     </Reference>
     <Reference Include="SteamKit2, Version=2.0.0.0, Culture=neutral, processorArchitecture=MSIL">
-      <HintPath>..\packages\SteamKit2.2.0.0-Alpha3\lib\net46\SteamKit2.dll</HintPath>
+      <HintPath>..\packages\SteamKit2.2.0.0-Alpha4\lib\net46\SteamKit2.dll</HintPath>
     </Reference>
     <Reference Include="System" />
     <Reference Include="System.Core" />
diff --git a/GUI/packages.config b/GUI/packages.config
index a639502f9..c7f7ed2e4 100644
--- a/GUI/packages.config
+++ b/GUI/packages.config
@@ -53,5 +53,5 @@
   <package id="NLog.Windows.Forms" version="4.2.3" targetFramework="net461" />
   <package id="protobuf-net" version="2.1.0" targetFramework="net461" />
   <package id="Resource.Embedder" version="1.2.2" targetFramework="net461" developmentDependency="true" />
-  <package id="SteamKit2" version="2.0.0-Alpha3" targetFramework="net461" />
+  <package id="SteamKit2" version="2.0.0-Alpha4" targetFramework="net461" />
 </packages>
\ No newline at end of file
diff --git a/packages/SteamKit2.2.0.0-Alpha3/SteamKit2.2.0.0-Alpha3.nupkg b/packages/SteamKit2.2.0.0-Alpha3/SteamKit2.2.0.0-Alpha3.nupkg
deleted file mode 100644
index ea8f68d8a..000000000
Binary files a/packages/SteamKit2.2.0.0-Alpha3/SteamKit2.2.0.0-Alpha3.nupkg and /dev/null differ
diff --git a/packages/SteamKit2.2.0.0-Alpha3/lib/net46/SteamKit2.dll b/packages/SteamKit2.2.0.0-Alpha3/lib/net46/SteamKit2.dll
deleted file mode 100644
index 83686a6a1..000000000
Binary files a/packages/SteamKit2.2.0.0-Alpha3/lib/net46/SteamKit2.dll and /dev/null differ
diff --git a/packages/SteamKit2.2.0.0-Alpha3/lib/netstandard1.3/SteamKit2.dll b/packages/SteamKit2.2.0.0-Alpha3/lib/netstandard1.3/SteamKit2.dll
deleted file mode 100644
index b7e049b7c..000000000
Binary files a/packages/SteamKit2.2.0.0-Alpha3/lib/netstandard1.3/SteamKit2.dll and /dev/null differ
diff --git a/packages/SteamKit2.2.0.0-Alpha3/3rd party.txt b/packages/SteamKit2.2.0.0-Alpha4/3rd party.txt
similarity index 100%
rename from packages/SteamKit2.2.0.0-Alpha3/3rd party.txt
rename to packages/SteamKit2.2.0.0-Alpha4/3rd party.txt
diff --git a/packages/SteamKit2.2.0.0-Alpha4/SteamKit2.2.0.0-Alpha4.nupkg b/packages/SteamKit2.2.0.0-Alpha4/SteamKit2.2.0.0-Alpha4.nupkg
new file mode 100644
index 000000000..e3bc7f28f
Binary files /dev/null and b/packages/SteamKit2.2.0.0-Alpha4/SteamKit2.2.0.0-Alpha4.nupkg differ
diff --git a/packages/SteamKit2.2.0.0-Alpha3/gpl.txt b/packages/SteamKit2.2.0.0-Alpha4/gpl.txt
similarity index 100%
rename from packages/SteamKit2.2.0.0-Alpha3/gpl.txt
rename to packages/SteamKit2.2.0.0-Alpha4/gpl.txt
diff --git a/packages/SteamKit2.2.0.0-Alpha3/lgpl.txt b/packages/SteamKit2.2.0.0-Alpha4/lgpl.txt
similarity index 100%
rename from packages/SteamKit2.2.0.0-Alpha3/lgpl.txt
rename to packages/SteamKit2.2.0.0-Alpha4/lgpl.txt
diff --git a/packages/SteamKit2.2.0.0-Alpha4/lib/net46/SteamKit2.dll b/packages/SteamKit2.2.0.0-Alpha4/lib/net46/SteamKit2.dll
new file mode 100644
index 000000000..d02c1d31f
Binary files /dev/null and b/packages/SteamKit2.2.0.0-Alpha4/lib/net46/SteamKit2.dll differ
diff --git a/packages/SteamKit2.2.0.0-Alpha3/lib/net46/SteamKit2.xml b/packages/SteamKit2.2.0.0-Alpha4/lib/net46/SteamKit2.xml
similarity index 99%
rename from packages/SteamKit2.2.0.0-Alpha3/lib/net46/SteamKit2.xml
rename to packages/SteamKit2.2.0.0-Alpha4/lib/net46/SteamKit2.xml
index 27d9ed45b..bb80093ed 100644
--- a/packages/SteamKit2.2.0.0-Alpha3/lib/net46/SteamKit2.xml
+++ b/packages/SteamKit2.2.0.0-Alpha4/lib/net46/SteamKit2.xml
@@ -2554,16 +2554,6 @@
             Guest pass list
             </summary>
         </member>
-        <member name="T:SteamKit2.SteamApps.SendGuestPassCallback">
-            <summary>
-            This callback is received when a guest pass has been sent
-            </summary>
-        </member>
-        <member name="P:SteamKit2.SteamApps.SendGuestPassCallback.Result">
-            <summary>
-            Result of the operation
-            </summary>
-        </member>
         <member name="T:SteamKit2.SteamApps.CDNAuthTokenCallback">
             <summary>
             This callback is received when a CDN auth token is received
diff --git a/packages/SteamKit2.2.0.0-Alpha4/lib/netstandard1.3/SteamKit2.dll b/packages/SteamKit2.2.0.0-Alpha4/lib/netstandard1.3/SteamKit2.dll
new file mode 100644
index 000000000..c45780148
Binary files /dev/null and b/packages/SteamKit2.2.0.0-Alpha4/lib/netstandard1.3/SteamKit2.dll differ
diff --git a/packages/SteamKit2.2.0.0-Alpha3/lib/netstandard1.3/SteamKit2.xml b/packages/SteamKit2.2.0.0-Alpha4/lib/netstandard1.3/SteamKit2.xml
similarity index 99%
rename from packages/SteamKit2.2.0.0-Alpha3/lib/netstandard1.3/SteamKit2.xml
rename to packages/SteamKit2.2.0.0-Alpha4/lib/netstandard1.3/SteamKit2.xml
index a9332f9fe..4701fdc6d 100644
--- a/packages/SteamKit2.2.0.0-Alpha3/lib/netstandard1.3/SteamKit2.xml
+++ b/packages/SteamKit2.2.0.0-Alpha4/lib/netstandard1.3/SteamKit2.xml
@@ -2531,16 +2531,6 @@
             Guest pass list
             </summary>
         </member>
-        <member name="T:SteamKit2.SteamApps.SendGuestPassCallback">
-            <summary>
-            This callback is received when a guest pass has been sent
-            </summary>
-        </member>
-        <member name="P:SteamKit2.SteamApps.SendGuestPassCallback.Result">
-            <summary>
-            Result of the operation
-            </summary>
-        </member>
         <member name="T:SteamKit2.SteamApps.CDNAuthTokenCallback">
             <summary>
             This callback is received when a CDN auth token is received
diff --git a/packages/SteamKit2.2.0.0-Alpha3/license.txt b/packages/SteamKit2.2.0.0-Alpha4/license.txt
similarity index 100%
rename from packages/SteamKit2.2.0.0-Alpha3/license.txt
rename to packages/SteamKit2.2.0.0-Alpha4/license.txt
diff --git a/packages/SteamKit2.2.0.0-Alpha3/readme.txt b/packages/SteamKit2.2.0.0-Alpha4/readme.txt
similarity index 99%
rename from packages/SteamKit2.2.0.0-Alpha3/readme.txt
rename to packages/SteamKit2.2.0.0-Alpha4/readme.txt
index 8e99f6eab..13200cc27 100644
--- a/packages/SteamKit2.2.0.0-Alpha3/readme.txt
+++ b/packages/SteamKit2.2.0.0-Alpha4/readme.txt
@@ -7,7 +7,8 @@ v 2.0.0			Mar 28, 2017 (Alpha)
 
 * Updated Protobuf message classes to expose a property indicating if any wire value was specified or not, and a method to clear the value.
 * Updated `CDNClient` and `WebAPI` to expose `Task`-based asynchronous methods.
-* Removed all methods and properties that were marked as `[Obsolete]`.
+* Removed all methods, properties and enum values that were marked as `[Obsolete]`.
+* Removed `MsgClientSendGuestPass`, `MsgClientSendGuestPassResponse` and `SendGuestPassCallback` which relied upon obsoleted messaging.
 
 
 ------------------------------------------------------------------------------