diff --git a/nixos/doc/manual/release-notes/rl-2505.section.md b/nixos/doc/manual/release-notes/rl-2505.section.md
index b18dbef5fe7f..ca0314fadb87 100644
--- a/nixos/doc/manual/release-notes/rl-2505.section.md
+++ b/nixos/doc/manual/release-notes/rl-2505.section.md
@@ -22,6 +22,10 @@
 
 - `buildGoPackage` has been removed. Use `buildGoModule` instead. See the [Go section in the nixpkgs manual](https://nixos.org/manual/nixpkgs/unstable/#sec-language-go) for details.
 
+- `timescaledb` requires manual upgrade steps.
+    After you run ALTER EXTENSION, you must run [this SQL script](https://github.com/timescale/timescaledb-extras/blob/master/utils/2.15.X-fix_hypertable_foreign_keys.sql). For more details, see the following pull requests [#6797](https://github.com/timescale/timescaledb/pull/6797).
+    PostgreSQL 13 is no longer supported in TimescaleDB v2.16.
+
 - `kanata` was updated to v1.7.0, which introduces several breaking changes.
   See the release notes of
   [v1.7.0](https://github.com/jtroo/kanata/releases/tag/v1.7.0)
diff --git a/pkgs/development/tools/rust/cargo-pgrx/default.nix b/pkgs/development/tools/rust/cargo-pgrx/default.nix
index 93010928ddc6..5752f9535f80 100644
--- a/pkgs/development/tools/rust/cargo-pgrx/default.nix
+++ b/pkgs/development/tools/rust/cargo-pgrx/default.nix
@@ -77,4 +77,11 @@ in
     hash = "sha256-0m9oaqjU42RYyttkTihADDrRMjr2WoK/8sInZALeHws=";
     cargoHash = "sha256-9XTIcpoCnROP63ZTDgMMMmj0kPggiTazKlKQfCgXKzk=";
   };
+
+  cargo-pgrx_0_12_6 = generic {
+    version = "0.12.6";
+    hash = "sha256-7aQkrApALZe6EoQGVShGBj0UIATnfOy2DytFj9IWdEA=";
+    cargoHash = "sha256-Di4UldQwAt3xVyvgQT1gUhdvYUVp7n/a72pnX45kP0w=";
+  };
+
 }
diff --git a/pkgs/servers/sql/postgresql/ext/timescaledb.nix b/pkgs/servers/sql/postgresql/ext/timescaledb.nix
index 2ef5bb3ae988..c539ff19ba94 100644
--- a/pkgs/servers/sql/postgresql/ext/timescaledb.nix
+++ b/pkgs/servers/sql/postgresql/ext/timescaledb.nix
@@ -1,20 +1,39 @@
-{ lib, stdenv, fetchFromGitHub, cmake, postgresql, openssl, libkrb5, nixosTests, enableUnfree ? true, buildPostgresqlExtension }:
+{
+  buildPostgresqlExtension,
+  cmake,
+  enableUnfree ? true,
+  fetchFromGitHub,
+  lib,
+  libkrb5,
+  nixosTests,
+  openssl,
+  postgresql,
+  stdenv,
+}:
 
 buildPostgresqlExtension rec {
   pname = "timescaledb${lib.optionalString (!enableUnfree) "-apache"}";
-  version = "2.14.2";
+  version = "2.17.2";
 
   nativeBuildInputs = [ cmake ];
-  buildInputs = [ openssl libkrb5 ];
+  buildInputs = [
+    openssl
+    libkrb5
+  ];
 
   src = fetchFromGitHub {
     owner = "timescale";
     repo = "timescaledb";
     rev = version;
-    hash = "sha256-gJViEWHtIczvIiQKuvvuwCfWJMxAYoBhCHhD75no6r0=";
+    hash = "sha256-gPsAebMUBuAwP6Hoi9/vrc2IFsmTbL0wQH1g6/2k2d4=";
   };
 
-  cmakeFlags = [ "-DSEND_TELEMETRY_DEFAULT=OFF" "-DREGRESS_CHECKS=OFF" "-DTAP_CHECKS=OFF" ]
+  cmakeFlags =
+    [
+      "-DSEND_TELEMETRY_DEFAULT=OFF"
+      "-DREGRESS_CHECKS=OFF"
+      "-DTAP_CHECKS=OFF"
+    ]
     ++ lib.optionals (!enableUnfree) [ "-DAPACHE_ONLY=ON" ]
     ++ lib.optionals stdenv.hostPlatform.isDarwin [ "-DLINTER=OFF" ];
 
@@ -38,14 +57,9 @@ buildPostgresqlExtension rec {
     description = "Scales PostgreSQL for time-series data via automatic partitioning across time and space";
     homepage = "https://www.timescale.com/";
     changelog = "https://github.com/timescale/timescaledb/blob/${version}/CHANGELOG.md";
-    maintainers = [ ];
+    maintainers = [ maintainers.kirillrdy ];
     platforms = postgresql.meta.platforms;
     license = with licenses; if enableUnfree then tsl else asl20;
-    broken = versionOlder postgresql.version "13" ||
-      # timescaledb supports PostgreSQL 17 from 2.17.0 on:
-      # https://github.com/timescale/timescaledb/releases/tag/2.17.0
-      # We can't upgrade to it, yet, because this would imply dropping support for
-      # PostgreSQL 13, which is a breaking change.
-      (versionAtLeast postgresql.version "17" && version == "2.14.2");
+    broken = versionOlder postgresql.version "14";
   };
 }
diff --git a/pkgs/servers/sql/postgresql/ext/timescaledb_toolkit.nix b/pkgs/servers/sql/postgresql/ext/timescaledb_toolkit.nix
index eec287ddcc10..ce04690059a6 100644
--- a/pkgs/servers/sql/postgresql/ext/timescaledb_toolkit.nix
+++ b/pkgs/servers/sql/postgresql/ext/timescaledb_toolkit.nix
@@ -3,24 +3,24 @@
 , buildPgrxExtension
 , postgresql
 , nixosTests
-, cargo-pgrx_0_10_2
+, cargo-pgrx_0_12_6
 , nix-update-script
 }:
 
-(buildPgrxExtension.override { cargo-pgrx = cargo-pgrx_0_10_2; }) rec {
+(buildPgrxExtension.override { cargo-pgrx = cargo-pgrx_0_12_6; }) rec {
   inherit postgresql;
 
   pname = "timescaledb_toolkit";
-  version = "1.18.0";
+  version = "1.19.0";
 
   src = fetchFromGitHub {
     owner = "timescale";
     repo = "timescaledb-toolkit";
     rev = version;
-    hash = "sha256-Lm/LFBkG91GeWlJL9RBqP8W0tlhBEeGQ6kXUzzv4xRE=";
+    hash = "sha256-7yUbtWbYL4AnuUX8OXG4OVqYCY2Lf0pISSTlcFdPqog=";
   };
 
-  cargoHash = "sha256-LME8oftHmmiN8GU3eTBTSB6m0CE+KtDFRssL1g2Cjm8=";
+  cargoHash = "sha256-+uD4UU7QwNISQZ7a2kDkY/y3fQWk/K0fFcrFq4yq6RU=";
   buildAndTestSubdir = "extension";
 
   passthru = {
@@ -37,8 +37,5 @@
     maintainers = with maintainers; [ typetetris ];
     platforms = postgresql.meta.platforms;
     license = licenses.tsl;
-    # PostgreSQL 17 support issue upstream: https://github.com/timescale/timescaledb-toolkit/issues/813
-    # Check after next package update.
-    broken = versionAtLeast postgresql.version "17" && version == "1.18.0";
   };
 }
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index fcc26ebc111d..3ce2bde8f8cd 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -7007,6 +7007,7 @@ with pkgs;
     cargo-pgrx_0_11_2
     cargo-pgrx_0_11_3
     cargo-pgrx_0_12_0_alpha_1
+    cargo-pgrx_0_12_6
     ;
   cargo-pgrx = cargo-pgrx_0_11_2;