diff --git a/pkgs/development/tools/rust/cargo-pgrx/default.nix b/pkgs/development/tools/rust/cargo-pgrx/default.nix
index 71e415a4568d..1c52fd23bfd3 100644
--- a/pkgs/development/tools/rust/cargo-pgrx/default.nix
+++ b/pkgs/development/tools/rust/cargo-pgrx/default.nix
@@ -81,4 +81,13 @@ in
     hash = "sha256-oMToAhKkRiCyC8JYS0gmo/XX3QVcVtF5mUV0aQjd+p8=";
     cargoHash = "sha256-RawGAQGtG2QVDCMbwjmUEaH6rDeRiBvvJsGCY8wySw0=";
   };
+
+  # Default version for direct usage.
+  # Not to be used with buildPgrxExtension, where it should be pinned.
+  # When you make an extension use the latest version, *copy* this to a separate pinned attribute.
+  cargo-pgrx = generic {
+    version = "0.15.0";
+    hash = "sha256-sksRfNV6l8YbdI6fzrEtanpDVV4sh14JXLqYBydHwy0=";
+    cargoHash = "sha256-c+n1bJMO9254kT4e6exVNhlIouzkkzrRIOVzR9lZeg4=";
+  };
 }
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index e611c86f0fa4..ebc665d9bddc 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -5984,8 +5984,8 @@ with pkgs;
     cargo-pgrx_0_12_5
     cargo-pgrx_0_12_6
     cargo-pgrx_0_14_1
+    cargo-pgrx
     ;
-  cargo-pgrx = cargo-pgrx_0_14_1;
 
   buildPgrxExtension = callPackage ../development/tools/rust/cargo-pgrx/buildPgrxExtension.nix { };
   opensmalltalk-vm = callPackage ../development/compilers/opensmalltalk-vm { };