diff --git a/nixos/modules/installer/tools/nix-fallback-paths.nix b/nixos/modules/installer/tools/nix-fallback-paths.nix
index 80241cd3ebec..8703ea1ca54f 100644
--- a/nixos/modules/installer/tools/nix-fallback-paths.nix
+++ b/nixos/modules/installer/tools/nix-fallback-paths.nix
@@ -1,5 +1,5 @@
 {
-  x86_64-linux = "/nix/store/crqd5wmrqipl4n1fcm5kkc1zg4sj80js-nix-1.11.11";
-  i686-linux = "/nix/store/wsjn14xp5ja509d4dxb1c78zhirw0b5x-nix-1.11.11";
-  x86_64-darwin = "/nix/store/zqkqnhk85g2shxlpb04y72h1i3db3gpl-nix-1.11.11";
+  x86_64-linux = "/nix/store/2y3cn6siixhr7pbsz2grry89jzchkxyd-nix-1.11.12";
+  i686-linux = "/nix/store/sbz8z995lysxja8brnxmw7hgi6ljigrq-nix-1.11.12";
+  x86_64-darwin = "/nix/store/gs2z548x41ah2h8fqnbn87syzazrlsb8-nix-1.11.12";
 }
diff --git a/pkgs/tools/package-management/nix/default.nix b/pkgs/tools/package-management/nix/default.nix
index a90f38ccc095..2bcf445bee6c 100644
--- a/pkgs/tools/package-management/nix/default.nix
+++ b/pkgs/tools/package-management/nix/default.nix
@@ -152,10 +152,10 @@ in rec {
   nix = nixStable;
 
   nixStable = (common rec {
-    name = "nix-1.11.11";
+    name = "nix-1.11.12";
     src = fetchurl {
       url = "http://nixos.org/releases/nix/${name}/${name}.tar.xz";
-      sha256 = "f5b9da21fb412e4c35b6e2bc771cfbf4ca44746be5d99868ff29d6e7604760e5";
+      sha256 = "02e8d85cfc02494fb04c90d8443dfea433639b9f787989b18f54567fd9769dd2";
     };
   }) // { perl-bindings = nixStable; };