diff --git a/pkgs/development/compilers/vala/default.nix b/pkgs/development/compilers/vala/default.nix
index 92edbff09da1..952f18c9bb2d 100644
--- a/pkgs/development/compilers/vala/default.nix
+++ b/pkgs/development/compilers/vala/default.nix
@@ -72,8 +72,8 @@ in rec {
 
   vala_0_42 = generic {
     major   = "0.42";
-    minor   = "3";
-    sha256  = "0zaq9009wqk5aah131m426a2ia0scwpjpl4npf8p7p43wv8kvisz";
+    minor   = "4";
+    sha256  = "07jgkx812y7wq4cswwfsf1f4k3lq9hcjra45682bdi8a11nr0a5m";
   };
 
   vala = vala_0_42;