diff --git a/pkgs/development/compilers/vala/default.nix b/pkgs/development/compilers/vala/default.nix
index 3dbfaf5bec0..b56f509b31a 100644
--- a/pkgs/development/compilers/vala/default.nix
+++ b/pkgs/development/compilers/vala/default.nix
@@ -38,6 +38,8 @@ let
 
         "0.48" = ./disable-graphviz-0.46.1.patch;
 
+        "0.50" = ./disable-graphviz-0.46.1.patch;
+
       }.${lib.versions.majorMinor version} or (throw "no graphviz patch for this version of vala");
 
     disableGraphviz = lib.versionAtLeast version "0.38" && !withGraphviz;
@@ -127,5 +129,10 @@ in rec {
     sha256 = "0iz3zzimmk5wxvy5bi75v8ckv153gjrz3r5iqvl8xqackzi7v9fw";
   };
 
+  vala_0_50 = generic {
+    version = "0.50.4";
+    sha256 = "1353j852h04d1x6b4n6lbg3ay40ph0adb9yi25dh74pligx33z2q";
+  };
+
   vala = vala_0_48;
 }
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 096f51dd562..22e4806349c 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -11160,6 +11160,7 @@ in
     vala_0_44
     vala_0_46
     vala_0_48
+    vala_0_50
     vala;
 
   vyper = with python3Packages; toPythonApplication vyper;