diff --git a/pkgs/tools/package-management/nix/default.nix b/pkgs/tools/package-management/nix/default.nix
index 5b2fa0029130..f55b2bb8688c 100644
--- a/pkgs/tools/package-management/nix/default.nix
+++ b/pkgs/tools/package-management/nix/default.nix
@@ -186,6 +186,11 @@ in lib.makeExtensible (self: ({
     hash = "sha256-/XCWa2osNFIpPC5MkxlX6qTZf/DaTLwS3LWN0SRFiuU=";
   };
 
+  nix_2_17 = common {
+    version = "2.17.0";
+    hash = "sha256-QMYAkdtU+g9HlZKtoJ+AI6TbWzzovKGnPZJHfZdclc8=";
+  };
+
   # The minimum Nix version supported by Nixpkgs
   # Note that some functionality *might* have been backported into this Nix version,
   # making this package an inaccurate representation of what features are available
@@ -205,7 +210,7 @@ in lib.makeExtensible (self: ({
 
   stable = self.nix_2_15;
 
-  unstable = self.nix_2_16;
+  unstable = self.nix_2_17;
 } // lib.optionalAttrs config.allowAliases {
   nix_2_4 = throw "nixVersions.nix_2_4 has been removed";