diff --git a/pkgs/matrix-appservice-minecraft/default.nix b/pkgs/matrix-appservice-minecraft/default.nix
index 2afdadd..cddd803 100644
--- a/pkgs/matrix-appservice-minecraft/default.nix
+++ b/pkgs/matrix-appservice-minecraft/default.nix
@@ -42,5 +42,8 @@ mkYarnPackage {
   #  node scripts/build.js --tarball=${nodeHeaders}
   #'';
 
+  meta = {
+    broken = true;
+  };
 
 }
diff --git a/pkgs/radical-native/default.nix b/pkgs/radical-native/default.nix
index db46dba..010d05f 100644
--- a/pkgs/radical-native/default.nix
+++ b/pkgs/radical-native/default.nix
@@ -18,7 +18,7 @@ let
         sha256 = "1gd1k9my7qp2gp8k149ga2dcw14yxxb0ld6j3856wz5a2yr4izi2";
       };
 
-      cargoSha256 = "1ll320ljikrv1v8a7k07smp4syc969fwpxfc2b7axn6pc6l8izi8";
+      cargoSha256 = "15pff192zyhs2yhrdy9cpxrfh85v7206s91jgz5c1nskf5w1yxyh";
     };
 
   manifest = pkgs.writeTextFile {
diff --git a/pkgs/rust-synapse-compress-state/default.nix b/pkgs/rust-synapse-compress-state/default.nix
index 4b5b070..e85b1eb 100644
--- a/pkgs/rust-synapse-compress-state/default.nix
+++ b/pkgs/rust-synapse-compress-state/default.nix
@@ -11,5 +11,5 @@ rustPlatform.buildRustPackage {
     sha256 = "15jvkpbq6pgdc91wnni8fj435yqlwqgx3bb0vqjgsdyxs5lzalfh";
   };
 
-  cargoSha256 = "1yg0nwnkipgi3qv2y8dj76w711xrz3m3n1ix887df3g61drch022";
+  cargoSha256 = "10rkgbhwcnl4i2kb3lpyvc9x9x93j069qcnwcbjnc8j79njynjb4";
 }
diff --git a/pkgs/wii-u-gc-adapter/default.nix b/pkgs/wii-u-gc-adapter/default.nix
index 3663d6d..c3fe377 100644
--- a/pkgs/wii-u-gc-adapter/default.nix
+++ b/pkgs/wii-u-gc-adapter/default.nix
@@ -15,6 +15,7 @@ stdenv.mkDerivation {
   buildInputs = [ libusb1 libudev ];
 
   meta = with stdenv.lib; {
+    broken = true;
     homepage = "https://github.com/ToadKing/wii-u-gc-adapter";
     description = "Tool for using the Wii U GameCube Adapter on Linux";
     license = licenses.mit;