diff --git a/nixos/modules/installer/tools/nix-fallback-paths.nix b/nixos/modules/installer/tools/nix-fallback-paths.nix
index c2f2578733b..72b5850a4d9 100644
--- a/nixos/modules/installer/tools/nix-fallback-paths.nix
+++ b/nixos/modules/installer/tools/nix-fallback-paths.nix
@@ -1,6 +1,6 @@
 {
-  x86_64-linux = "/nix/store/0q5qnh10m2sfrriszc1ysmggw659q6qm-nix-2.3.2";
-  i686-linux = "/nix/store/i7ad7r5d8a5b3l22hg4a1im2qq05y6vd-nix-2.3.2";
-  aarch64-linux = "/nix/store/bv06pavfw0dbqzr8w3l7s71nx27gnxa0-nix-2.3.2";
-  x86_64-darwin = "/nix/store/x6mnl1nij7y4v5ihlplr4k937ayr403r-nix-2.3.2";
+  x86_64-linux = "/nix/store/68mycwwczrciryylq2a66jwfhxp09zsg-nix-2.3.3-debug";
+  i686-linux = "/nix/store/5axys7hsggb4282dsbps5k5p0v59yv13-nix-2.3.3";
+  aarch64-linux = "/nix/store/k80nwvi19hxwbz3c9cxgp24f1jjxwmcc-nix-2.3.3";
+  x86_64-darwin = "/nix/store/lrnvapsqmf0ja6zfyx4cpxr7ahdr7f9b-nix-2.3.3";
 }
diff --git a/pkgs/tools/package-management/nix/default.nix b/pkgs/tools/package-management/nix/default.nix
index a51a4cab4f0..06e987f6f2b 100644
--- a/pkgs/tools/package-management/nix/default.nix
+++ b/pkgs/tools/package-management/nix/default.nix
@@ -173,10 +173,10 @@ in rec {
   };
 
   nixStable = callPackage common (rec {
-    name = "nix-2.3.2";
+    name = "nix-2.3.3";
     src = fetchurl {
       url = "http://nixos.org/releases/nix/${name}/${name}.tar.xz";
-      sha256 = "9fea4b52db0b296dcf05d36f7ecad9f48396af3a682bb21e31f8d04c469beef8";
+      sha256 = "332fffb8dfc33eab854c136ef162a88cec15b701def71fa63714d160831ba224";
     };
 
     inherit storeDir stateDir confDir boehmgc;