diff --git a/pkgs/tools/package-management/nix/default.nix b/pkgs/tools/package-management/nix/default.nix
index e60cf5804261..b1ba766b78b0 100644
--- a/pkgs/tools/package-management/nix/default.nix
+++ b/pkgs/tools/package-management/nix/default.nix
@@ -218,10 +218,10 @@ in rec {
 
   nixStable = callPackage common (rec {
     pname = "nix";
-    version = "2.3.14";
+    version = "2.3.15";
     src = fetchurl {
       url = "https://nixos.org/releases/nix/${pname}-${version}/${pname}-${version}.tar.xz";
-      sha256 = "sha256-cToMnZU3+UpjeiiXnG3clz9zn8Xk+TbB7UbqmLMrlFk=";
+      sha256 = "sha256-N+MxClX94eUOfUMh0puRgNHp16+cjSEdtqZn5u5OtBA=";
     };
 
     boehmgc = boehmgc_nix;