diff --git a/NuGet.config b/NuGet.config
deleted file mode 100644
index 95f993e510..0000000000
--- a/NuGet.config
+++ /dev/null
@@ -1,6 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<configuration>
-  <packageSources>
-    <add key="opentk-develop" value="https://www.myget.org/F/opentk-develop" />
-  </packageSources>
-</configuration>
\ No newline at end of file
diff --git a/osu-framework b/osu-framework
index 10cae790c6..2438afea86 160000
--- a/osu-framework
+++ b/osu-framework
@@ -1 +1 @@
-Subproject commit 10cae790c6f1d559c326f9438958d0b012d61dc6
+Subproject commit 2438afea86d0ce1f91b1b2f01bca1cf8afdd4659
diff --git a/osu.Desktop/osu.Desktop.csproj b/osu.Desktop/osu.Desktop.csproj
index 4a1798feb4..3cc4e7f943 100644
--- a/osu.Desktop/osu.Desktop.csproj
+++ b/osu.Desktop/osu.Desktop.csproj
@@ -136,7 +136,7 @@
       <Private>True</Private>
     </Reference>
     <Reference Include="OpenTK, Version=3.0.0.0, Culture=neutral, PublicKeyToken=bad199fe84eb3df4">
-      <HintPath>$(SolutionDir)\packages\OpenTK.3.0.0-git00021\lib\net20\OpenTK.dll</HintPath>
+      <HintPath>$(SolutionDir)\packages\ppy.OpenTK.3.0.11\lib\net45\OpenTK.dll</HintPath>
       <Private>True</Private>
     </Reference>
     <Reference Include="SharpCompress, Version=0.18.1.0, Culture=neutral, PublicKeyToken=afb0a02973931d96, processorArchitecture=MSIL">
diff --git a/osu.Desktop/packages.config b/osu.Desktop/packages.config
index e7233a42ac..4757b50c4c 100644
--- a/osu.Desktop/packages.config
+++ b/osu.Desktop/packages.config
@@ -6,7 +6,7 @@ Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/maste
 <packages>
   <package id="DeltaCompressionDotNet" version="1.1.0" targetFramework="net45" />
   <package id="Mono.Cecil" version="0.9.6.4" targetFramework="net45" />
-  <package id="OpenTK" version="3.0.0-git00021" targetFramework="net461" />
+  <package id="ppy.OpenTK" version="3.0.11" targetFramework="net461" />
   <package id="SharpCompress" version="0.18.1" targetFramework="net461" />
   <package id="Splat" version="2.0.0" targetFramework="net45" />
   <package id="SQLitePCLRaw.bundle_green" version="1.1.8" targetFramework="net461" />
diff --git a/osu.Game.Rulesets.Catch/osu.Game.Rulesets.Catch.csproj b/osu.Game.Rulesets.Catch/osu.Game.Rulesets.Catch.csproj
index 578d8eb34d..16c909e063 100644
--- a/osu.Game.Rulesets.Catch/osu.Game.Rulesets.Catch.csproj
+++ b/osu.Game.Rulesets.Catch/osu.Game.Rulesets.Catch.csproj
@@ -37,7 +37,7 @@
       <Private>True</Private>
     </Reference>
     <Reference Include="OpenTK, Version=3.0.0.0, Culture=neutral, PublicKeyToken=bad199fe84eb3df4">
-      <HintPath>$(SolutionDir)\packages\OpenTK.3.0.0-git00021\lib\net20\OpenTK.dll</HintPath>
+      <HintPath>$(SolutionDir)\packages\ppy.OpenTK.3.0.11\lib\net45\OpenTK.dll</HintPath>
       <Private>True</Private>
     </Reference>
     <Reference Include="System" />
diff --git a/osu.Game.Rulesets.Catch/packages.config b/osu.Game.Rulesets.Catch/packages.config
index 2369f7529b..b39a85a382 100644
--- a/osu.Game.Rulesets.Catch/packages.config
+++ b/osu.Game.Rulesets.Catch/packages.config
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="NUnit" version="3.8.1" targetFramework="net461" />
-  <package id="OpenTK" version="3.0.0-git00021" targetFramework="net461" />
+  <package id="ppy.OpenTK" version="3.0.11" targetFramework="net461" />
 </packages>
\ No newline at end of file
diff --git a/osu.Game.Rulesets.Mania/osu.Game.Rulesets.Mania.csproj b/osu.Game.Rulesets.Mania/osu.Game.Rulesets.Mania.csproj
index 564af6e454..48b3a54b57 100644
--- a/osu.Game.Rulesets.Mania/osu.Game.Rulesets.Mania.csproj
+++ b/osu.Game.Rulesets.Mania/osu.Game.Rulesets.Mania.csproj
@@ -37,7 +37,7 @@
       <Private>True</Private>
     </Reference>
     <Reference Include="OpenTK, Version=3.0.0.0, Culture=neutral, PublicKeyToken=bad199fe84eb3df4">
-      <HintPath>$(SolutionDir)\packages\OpenTK.3.0.0-git00021\lib\net20\OpenTK.dll</HintPath>
+      <HintPath>$(SolutionDir)\packages\ppy.OpenTK.3.0.11\lib\net45\OpenTK.dll</HintPath>
       <Private>True</Private>
     </Reference>
     <Reference Include="Newtonsoft.Json, Version=10.0.0.0, Culture=neutral, PublicKeyToken=30ad4fe6b2a6aeed, processorArchitecture=MSIL">
diff --git a/osu.Game.Rulesets.Mania/packages.config b/osu.Game.Rulesets.Mania/packages.config
index 2369f7529b..b39a85a382 100644
--- a/osu.Game.Rulesets.Mania/packages.config
+++ b/osu.Game.Rulesets.Mania/packages.config
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="NUnit" version="3.8.1" targetFramework="net461" />
-  <package id="OpenTK" version="3.0.0-git00021" targetFramework="net461" />
+  <package id="ppy.OpenTK" version="3.0.11" targetFramework="net461" />
 </packages>
\ No newline at end of file
diff --git a/osu.Game.Rulesets.Osu/osu.Game.Rulesets.Osu.csproj b/osu.Game.Rulesets.Osu/osu.Game.Rulesets.Osu.csproj
index 245f3eed91..785c3e17fb 100644
--- a/osu.Game.Rulesets.Osu/osu.Game.Rulesets.Osu.csproj
+++ b/osu.Game.Rulesets.Osu/osu.Game.Rulesets.Osu.csproj
@@ -38,7 +38,7 @@
       <Private>True</Private>
     </Reference>
     <Reference Include="OpenTK, Version=3.0.0.0, Culture=neutral, PublicKeyToken=bad199fe84eb3df4">
-      <HintPath>$(SolutionDir)\packages\OpenTK.3.0.0-git00021\lib\net20\OpenTK.dll</HintPath>
+      <HintPath>$(SolutionDir)\packages\ppy.OpenTK.3.0.11\lib\net45\OpenTK.dll</HintPath>
       <Private>True</Private>
     </Reference>
     <Reference Include="System" />
diff --git a/osu.Game.Rulesets.Osu/packages.config b/osu.Game.Rulesets.Osu/packages.config
index 2369f7529b..b39a85a382 100644
--- a/osu.Game.Rulesets.Osu/packages.config
+++ b/osu.Game.Rulesets.Osu/packages.config
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="NUnit" version="3.8.1" targetFramework="net461" />
-  <package id="OpenTK" version="3.0.0-git00021" targetFramework="net461" />
+  <package id="ppy.OpenTK" version="3.0.11" targetFramework="net461" />
 </packages>
\ No newline at end of file
diff --git a/osu.Game.Rulesets.Taiko/osu.Game.Rulesets.Taiko.csproj b/osu.Game.Rulesets.Taiko/osu.Game.Rulesets.Taiko.csproj
index 7e44e85e52..1aed86f8f9 100644
--- a/osu.Game.Rulesets.Taiko/osu.Game.Rulesets.Taiko.csproj
+++ b/osu.Game.Rulesets.Taiko/osu.Game.Rulesets.Taiko.csproj
@@ -37,7 +37,7 @@
       <Private>True</Private>
     </Reference>
     <Reference Include="OpenTK, Version=3.0.0.0, Culture=neutral, PublicKeyToken=bad199fe84eb3df4">
-      <HintPath>$(SolutionDir)\packages\OpenTK.3.0.0-git00021\lib\net20\OpenTK.dll</HintPath>
+      <HintPath>$(SolutionDir)\packages\ppy.OpenTK.3.0.11\lib\net45\OpenTK.dll</HintPath>
       <Private>True</Private>
     </Reference>
     <Reference Include="System" />
diff --git a/osu.Game.Rulesets.Taiko/packages.config b/osu.Game.Rulesets.Taiko/packages.config
index 2369f7529b..b39a85a382 100644
--- a/osu.Game.Rulesets.Taiko/packages.config
+++ b/osu.Game.Rulesets.Taiko/packages.config
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="NUnit" version="3.8.1" targetFramework="net461" />
-  <package id="OpenTK" version="3.0.0-git00021" targetFramework="net461" />
+  <package id="ppy.OpenTK" version="3.0.11" targetFramework="net461" />
 </packages>
\ No newline at end of file
diff --git a/osu.Game.Tests/osu.Game.Tests.csproj b/osu.Game.Tests/osu.Game.Tests.csproj
index df66896d9b..8c04874e75 100644
--- a/osu.Game.Tests/osu.Game.Tests.csproj
+++ b/osu.Game.Tests/osu.Game.Tests.csproj
@@ -38,7 +38,7 @@
       <Private>True</Private>
     </Reference>
     <Reference Include="OpenTK, Version=3.0.0.0, Culture=neutral, PublicKeyToken=bad199fe84eb3df4">
-      <HintPath>$(SolutionDir)\packages\OpenTK.3.0.0-git00021\lib\net20\OpenTK.dll</HintPath>
+      <HintPath>$(SolutionDir)\packages\ppy.OpenTK.3.0.11\lib\net45\OpenTK.dll</HintPath>
       <Private>True</Private>
     </Reference>
     <Reference Include="System" />
diff --git a/osu.Game.Tests/packages.config b/osu.Game.Tests/packages.config
index c2056e09a8..9fbb0537bc 100644
--- a/osu.Game.Tests/packages.config
+++ b/osu.Game.Tests/packages.config
@@ -6,6 +6,6 @@ Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/maste
 <packages>
   <package id="DeepEqual" version="1.6.0.0" targetFramework="net461" />
   <package id="NUnit" version="3.8.1" targetFramework="net461" />
-  <package id="OpenTK" version="3.0.0-git00021" targetFramework="net461" />
+  <package id="ppy.OpenTK" version="3.0.11" targetFramework="net461" />
   <package id="System.ValueTuple" version="4.4.0" targetFramework="net461" />
 </packages>
\ No newline at end of file
diff --git a/osu.Game/osu.Game.csproj b/osu.Game/osu.Game.csproj
index 7d146c0a12..22191c98ab 100644
--- a/osu.Game/osu.Game.csproj
+++ b/osu.Game/osu.Game.csproj
@@ -144,7 +144,7 @@
       <Private>True</Private>
     </Reference>
     <Reference Include="OpenTK, Version=3.0.0.0, Culture=neutral, PublicKeyToken=bad199fe84eb3df4">
-      <HintPath>$(SolutionDir)\packages\OpenTK.3.0.0-git00021\lib\net20\OpenTK.dll</HintPath>
+      <HintPath>$(SolutionDir)\packages\ppy.OpenTK.3.0.11\lib\net45\OpenTK.dll</HintPath>
       <Private>True</Private>
     </Reference>
     <Reference Include="Remotion.Linq, Version=2.1.0.0, Culture=neutral, PublicKeyToken=fee00910d6e5f53b, processorArchitecture=MSIL">
diff --git a/osu.Game/packages.config b/osu.Game/packages.config
index 3ba50388e8..e35f06dd67 100644
--- a/osu.Game/packages.config
+++ b/osu.Game/packages.config
@@ -66,7 +66,7 @@ Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/maste
   <package id="Microsoft.Extensions.Primitives" version="2.0.0" targetFramework="net461" />
   <package id="Newtonsoft.Json" version="10.0.3" targetFramework="net461" />
   <package id="NUnit" version="3.8.1" targetFramework="net461" />
-  <package id="OpenTK" version="3.0.0-git00021" targetFramework="net461" />
+  <package id="ppy.OpenTK" version="3.0.11" targetFramework="net461" />
   <package id="Remotion.Linq" version="2.1.2" targetFramework="net461" />
   <package id="SharpCompress" version="0.18.1" targetFramework="net461" />
   <package id="SQLitePCLRaw.bundle_green" version="1.1.8" targetFramework="net461" />