diff --git a/pkgs/development/interpreters/luajit/2.1.nix b/pkgs/development/interpreters/luajit/2.1.nix
index 84c188166673..e7f48f19a432 100644
--- a/pkgs/development/interpreters/luajit/2.1.nix
+++ b/pkgs/development/interpreters/luajit/2.1.nix
@@ -8,13 +8,13 @@
 callPackage ./default.nix {
   # The patch version is the timestamp of the git commit,
   # obtain via `cat $(nix-build -A luajit_2_1.src)/.relver`
-  version = "2.1.1774638290";
+  version = "2.1.1785577137";
 
   src = fetchFromGitHub {
     owner = "LuaJIT";
     repo = "LuaJIT";
-    rev = "fbb36bb6bfa88716a47c58bcf9ce9f2ef752abac";
-    hash = "sha256-BqH66q38mJpIYJgPiSPt7I0B3VLBvuDRRTiMJ7ldkBI=";
+    rev = "4886b676a698acc4bbdf54adfabb3e33a8c020e8";
+    hash = "sha256-3nTyPcphBQN2segb5bxBgvrWHodN/ckRy4AGS8lDL44=";
   };
 
   inherit self passthruFun;