diff --git a/pkgs/development/tools/misc/hydra/unstable.nix b/pkgs/development/tools/misc/hydra/unstable.nix
index f4dc16a7c493..dda530f3470f 100644
--- a/pkgs/development/tools/misc/hydra/unstable.nix
+++ b/pkgs/development/tools/misc/hydra/unstable.nix
@@ -123,13 +123,13 @@ let
 in
 stdenv.mkDerivation rec {
   pname = "hydra";
-  version = "2023-07-17";
+  version = "2023-08-23";
 
   src = fetchFromGitHub {
     owner = "NixOS";
     repo = "hydra";
-    rev = "d135b123cde78576e99e919a5db0428cb70fcd1e";
-    sha256 = "sha256-wjHHcJr1liYKESUtCjIdvC+USjd9EWjEFssvIKiEuVU=";
+    rev = "00d30874da759eb0f44f446415b2469920ff41b5";
+    sha256 = "sha256-e+68WCN1e1h2rf1pmwNNukTt5EBtF9KQNXhqJtoyJzo=";
   };
 
   buildInputs = [
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index ace14d9f0fd8..513a09426e36 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -22094,7 +22094,7 @@ with pkgs;
 
   hwloc = callPackage ../development/libraries/hwloc { };
 
-  hydra_unstable = callPackage ../development/tools/misc/hydra/unstable.nix { nix = nixVersions.nix_2_16; };
+  hydra_unstable = callPackage ../development/tools/misc/hydra/unstable.nix { nix = nixVersions.nix_2_17; };
 
   hydra-cli = callPackage ../development/tools/misc/hydra-cli { };