diff --git a/pkgs/tools/package-management/nix/default.nix b/pkgs/tools/package-management/nix/default.nix
index 9d03c35c1eb5..acff12e5d49c 100644
--- a/pkgs/tools/package-management/nix/default.nix
+++ b/pkgs/tools/package-management/nix/default.nix
@@ -167,8 +167,8 @@ in lib.makeExtensible (self: ({
   };
 
   nix_2_15 = common {
-    version = "2.15.2";
-    hash = "sha256-0BxVsvp4JfliYu4EdpZ/zPYOt9Qn5w9Ix5r0sagZZ7o=";
+    version = "2.15.3";
+    hash = "sha256-sfFXbjC5iIdSAbctZIuFozxX0uux/KFBNr9oh33xINs=";
   };
 
   nix_2_16 = common {