diff --git a/pkgs/development/compilers/vala/default.nix b/pkgs/development/compilers/vala/default.nix
index 8079daf59a5..19864daddfe 100644
--- a/pkgs/development/compilers/vala/default.nix
+++ b/pkgs/development/compilers/vala/default.nix
@@ -106,8 +106,8 @@ in rec {
   };
 
   vala_0_40 = generic {
-    version = "0.40.16";
-    sha256 = "0vv25fmr9jqiqf080vak1x4raa4w3cz3n5ysjglqsq9qfx304i7b";
+    version = "0.40.18";
+    sha256 = "1f7cdkjdysg4dcri1wbzdddm46amk2s48jkwb5ghpdvhjb4l5j2m";
   };
 
   vala_0_44 = generic {