diff --git a/pkgs/development/tools/rust/cargo-pgrx/pinned.nix b/pkgs/development/tools/rust/cargo-pgrx/pinned.nix
index a061dc275c1a..77d623d4902d 100644
--- a/pkgs/development/tools/rust/cargo-pgrx/pinned.nix
+++ b/pkgs/development/tools/rust/cargo-pgrx/pinned.nix
@@ -1,11 +1,5 @@
 # nixpkgs-update: no auto update
 {
-  cargo-pgrx_0_12_6 = {
-    version = "0.12.6";
-    hash = "sha256-7aQkrApALZe6EoQGVShGBj0UIATnfOy2DytFj9IWdEA=";
-    cargoHash = "sha256-pnMxWWfvr1/AEp8DvG4awig8zjdHizJHoZ5RJA8CL08=";
-  };
-
   cargo-pgrx_0_16_0 = {
     version = "0.16.0";
     hash = "sha256-emNR7fXNVD9sY/Mdno7mwpH6l/7AD28cBUsFRn9je50=";
diff --git a/pkgs/servers/sql/postgresql/ext/timescaledb_toolkit.nix b/pkgs/servers/sql/postgresql/ext/timescaledb_toolkit.nix
index 4e81b92c3d14..ab8e756cc50a 100644
--- a/pkgs/servers/sql/postgresql/ext/timescaledb_toolkit.nix
+++ b/pkgs/servers/sql/postgresql/ext/timescaledb_toolkit.nix
@@ -1,6 +1,6 @@
 {
   buildPgrxExtension,
-  cargo-pgrx_0_12_6,
+  cargo-pgrx_0_18_0,
   fetchFromGitHub,
   lib,
   nix-update-script,
@@ -9,19 +9,19 @@
 
 buildPgrxExtension (finalAttrs: {
   inherit postgresql;
-  cargo-pgrx = cargo-pgrx_0_12_6;
+  cargo-pgrx = cargo-pgrx_0_18_0;
 
   pname = "timescaledb_toolkit";
-  version = "1.21.0";
+  version = "1.23.0";
 
   src = fetchFromGitHub {
     owner = "timescale";
     repo = "timescaledb-toolkit";
     tag = finalAttrs.version;
-    hash = "sha256-gGGSNvvJprqLkVwPr7cfmGY1qEUTXMdqdvwPYIzXaTA=";
+    hash = "sha256-we2w2rYGRC9Did9oocgCWbIUxb8a/g0BlCHXQUe1f8I=";
   };
 
-  cargoHash = "sha256-kyUpfNEXJ732VO6JDxU+dIoL57uWzG4Ff03/GnvsxLE=";
+  cargoHash = "sha256-R6daWAQssopVps+IqF94dGBcZMC/u1J4eEg6WouAwOo=";
   buildAndTestSubdir = "extension";
 
   postInstall = ''
@@ -46,8 +46,8 @@ buildPgrxExtension (finalAttrs: {
       lib.versionOlder postgresql.version "15"
       ||
         # Check after next package update.
-        lib.warnIf (finalAttrs.version != "1.21.0")
-          "Is postgresql18Packages.timescaledb_toolkit still broken?"
-          (lib.versionAtLeast postgresql.version "18");
+        lib.warnIf (finalAttrs.version != "1.23.0")
+          "Is postgresql19Packages.timescaledb_toolkit still broken?"
+          (lib.versionAtLeast postgresql.version "19");
   };
 })
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 8d9e5f3d717f..748f61a2ba44 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -4197,7 +4197,6 @@ with pkgs;
   defaultCrateOverrides = callPackage ../build-support/rust/default-crate-overrides.nix { };
 
   inherit (callPackages ../development/tools/rust/cargo-pgrx { })
-    cargo-pgrx_0_12_6
     cargo-pgrx_0_16_0
     cargo-pgrx_0_16_1
     cargo-pgrx_0_17_0