diff --git a/pkgs/games/osu-lazer/bypass-tamper-detection.patch b/pkgs/games/osu-lazer/bypass-tamper-detection.patch
new file mode 100644
index 000000000000..576f83a96c57
--- /dev/null
+++ b/pkgs/games/osu-lazer/bypass-tamper-detection.patch
@@ -0,0 +1,23 @@
+diff --git a/osu.Game/OsuGameBase.cs b/osu.Game/OsuGameBase.cs
+index 98f60d52d..a27ce47ca 100644
+--- a/osu.Game/OsuGameBase.cs
++++ b/osu.Game/OsuGameBase.cs
+@@ -135,17 +135,7 @@ public OsuGameBase()
+         [BackgroundDependencyLoader]
+         private void load()
+         {
+-            try
+-            {
+-                using (var str = File.OpenRead(typeof(OsuGameBase).Assembly.Location))
+-                    VersionHash = str.ComputeMD5Hash();
+-            }
+-            catch
+-            {
+-                // special case for android builds, which can't read DLLs from a packed apk.
+-                // should eventually be handled in a better way.
+-                VersionHash = $"{Version}-{RuntimeInfo.OS}".ComputeMD5Hash();
+-            }
++            VersionHash = "253aa3a3a356a71295bf5b018cd4fda1";
+ 
+             Resources.AddStore(new DllResourceStore(OsuResources.ResourceAssembly));
+ 
diff --git a/pkgs/games/osu-lazer/default.nix b/pkgs/games/osu-lazer/default.nix
index 81b5e626c8e8..d8197fae1561 100644
--- a/pkgs/games/osu-lazer/default.nix
+++ b/pkgs/games/osu-lazer/default.nix
@@ -13,15 +13,18 @@ let
 
 in stdenv.mkDerivation rec {
   pname = "osu-lazer";
-  version = "2020.801.0";
+  version = "2020.806.0";
 
   src = fetchFromGitHub {
     owner = "ppy";
     repo = "osu";
     rev = version;
-    sha256 = "02klqc56fskc8r8p3z9d38r1i0rwgglfilb97pdqm1ph8jpr1c20";
+    sha256 = "BelmqcDnrGH84fTs6M0krwWz6SHn2hOm7y+PNEOOOZM=";
   };
 
+  patches = [ ./bypass-tamper-detection.patch ];
+  patchFlags = [ "--binary" "-p1" ];
+
   nativeBuildInputs = [ dotnet-sdk dotnetPackages.Nuget makeWrapper ];
 
   nugetDeps = linkFarmFromDrvs "${pname}-nuget-deps" (import ./deps.nix {
diff --git a/pkgs/games/osu-lazer/deps.nix b/pkgs/games/osu-lazer/deps.nix
index a7f2214fb5bb..c29035e5724c 100644
--- a/pkgs/games/osu-lazer/deps.nix
+++ b/pkgs/games/osu-lazer/deps.nix
@@ -586,8 +586,8 @@
   })
   (fetchNuGet {
     name = "ppy.osu.Framework";
-    version = "2020.730.1";
-    sha256 = "0hsrb01rhcpan00bwk9zxzgj1ghsgsmx36g7sd8rlygr3v5sfvmr";
+    version = "2020.806.0";
+    sha256 = "1d4aprz81xbhk5addl1n7jwj8xxny51s6nvpn37alld0x6n7k8nv";
   })
   (fetchNuGet {
     name = "ppy.osu.Framework.NativeLibs";