diff --git a/pkgs/servers/sql/postgresql/default.nix b/pkgs/servers/sql/postgresql/default.nix
index 942ede627069..a5bdbc97838b 100644
--- a/pkgs/servers/sql/postgresql/default.nix
+++ b/pkgs/servers/sql/postgresql/default.nix
@@ -245,4 +245,13 @@ in self: {
     thisAttr = "postgresql_14";
     inherit self;
   };
+
+  postgresql_15 = self.callPackage generic {
+    version = "15.0";
+    psqlSchema = "15";
+    hash = "sha256-cux09KfBbmhPQ+pC4hVJf81MVdAopo+3LpnmH/QNpNY=";
+    this = self.postgresql_15;
+    thisAttr = "postgresql_15";
+    inherit self;
+  };
 }
diff --git a/pkgs/servers/sql/postgresql/ext/periods.nix b/pkgs/servers/sql/postgresql/ext/periods.nix
index 4d1d3326457f..9ceabbe972a1 100644
--- a/pkgs/servers/sql/postgresql/ext/periods.nix
+++ b/pkgs/servers/sql/postgresql/ext/periods.nix
@@ -2,13 +2,13 @@
 
 stdenv.mkDerivation rec {
   pname = "periods";
-  version = "1.2";
+  version = "1.2.1";
 
   src = fetchFromGitHub {
     owner = "xocolatl";
     repo = pname;
     rev = "v${version}";
-    sha256 = "13aix61qzlb7cs042dz4x0z4sc2xayg4nzi2cks46zibxm5i4gzm";
+    sha256 = "sha256-XAqjP8Cih+HzqlI8XjgCNzSVQSbaetLRvJReiwHdaIc=";
   };
 
   buildInputs = [ postgresql ];
diff --git a/pkgs/servers/sql/postgresql/ext/pg_partman.nix b/pkgs/servers/sql/postgresql/ext/pg_partman.nix
index 561c16c96459..c95e4d8174d3 100644
--- a/pkgs/servers/sql/postgresql/ext/pg_partman.nix
+++ b/pkgs/servers/sql/postgresql/ext/pg_partman.nix
@@ -2,7 +2,7 @@
 
 stdenv.mkDerivation rec {
   pname = "pg_partman";
-  version = "4.7.0";
+  version = "4.7.1";
 
   buildInputs = [ postgresql ];
 
@@ -10,7 +10,7 @@ stdenv.mkDerivation rec {
     owner  = "pgpartman";
     repo   = pname;
     rev    = "refs/tags/v${version}";
-    sha256 = "sha256-Hbg3lf9XEIt5r4sYW+1r1tu6GyBgRXQxrPRWNuZPsvM=";
+    sha256 = "sha256-XewRIzue38aXhjU6GKEiuUyY+6ngtyQLhCl3/T6Al+A=";
   };
 
   installPhase = ''
diff --git a/pkgs/servers/sql/postgresql/ext/pg_repack.nix b/pkgs/servers/sql/postgresql/ext/pg_repack.nix
index 626e4e0290b1..83c3ac0796a7 100644
--- a/pkgs/servers/sql/postgresql/ext/pg_repack.nix
+++ b/pkgs/servers/sql/postgresql/ext/pg_repack.nix
@@ -2,15 +2,15 @@
 
 stdenv.mkDerivation rec {
   pname = "pg_repack";
-  version = "1.4.7";
+  version = "1.4.8";
 
   buildInputs = [ postgresql openssl zlib readline ];
 
   src = fetchFromGitHub {
     owner  = "reorg";
     repo   = "pg_repack";
-    rev    = "refs/tags/ver_${version}";
-    sha256 = "12j8crgljvkm9dz790xcsr8l7sv8ydvb2imrb0jh1jvj0r9yg1v5";
+    rev    = "f42c1bd707bd5d69a9eb33494133db2e47a2c05a"; # no release tag
+    sha256 = "sha256-pZjspnmPTXS/SbyLAd7vcoF01cbC6PnxZjuto4lUuQA=";
   };
 
   installPhase = ''
diff --git a/pkgs/servers/sql/postgresql/ext/pgjwt.nix b/pkgs/servers/sql/postgresql/ext/pgjwt.nix
index afa08a8cdce0..c0c9c3104427 100644
--- a/pkgs/servers/sql/postgresql/ext/pgjwt.nix
+++ b/pkgs/servers/sql/postgresql/ext/pgjwt.nix
@@ -2,13 +2,13 @@
 
 stdenv.mkDerivation {
   pname = "pgjwt";
-  version = "unstable-2017-04-24";
+  version = "unstable-2021-11-13";
 
   src = fetchFromGitHub {
     owner  = "michelp";
     repo   = "pgjwt";
-    rev    = "546a2911027b716586e241be7fd4c6f1785237cd";
-    sha256 = "1riz0xvwb6y02j0fljbr9hcbqb2jqs4njlivmavy9ysbcrrv1vrf";
+    rev    = "9742dab1b2f297ad3811120db7b21451bca2d3c9";
+    sha256 = "sha256-Hw3R9bMGDmh+dMzjmqZSy/rT4mX8cPU969OJiARFg10=";
   };
 
   dontBuild = true;
diff --git a/pkgs/servers/sql/postgresql/ext/pgvector.nix b/pkgs/servers/sql/postgresql/ext/pgvector.nix
index ddc51e8d2b73..c04cb0c3b159 100644
--- a/pkgs/servers/sql/postgresql/ext/pgvector.nix
+++ b/pkgs/servers/sql/postgresql/ext/pgvector.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, postgresql }:
+{ lib, stdenv, fetchFromGitHub, fetchpatch, postgresql }:
 
 stdenv.mkDerivation rec {
   pname = "pgvector";
@@ -11,6 +11,14 @@ stdenv.mkDerivation rec {
     sha256 = "sha256-kIgdr3+KC11Qxk1uBTmcN4dDaLIhfo/Fs898boESsBc=";
   };
 
+  patches = [
+    # Added support for Postgres 15. Remove with the next release.
+    (fetchpatch {
+      url = "https://github.com/pgvector/pgvector/commit/c9c6b96eede7d78758ca7ca5db98bf8b24021d0f.patch";
+      sha256 = "sha256-hgCpGtuYmqo4Ttlpn4FBskbNdZmM1wJeMQBJZ7H923g=";
+    })
+  ];
+
   buildInputs = [ postgresql ];
 
   installPhase = ''
diff --git a/pkgs/servers/sql/postgresql/ext/plpgsql_check.nix b/pkgs/servers/sql/postgresql/ext/plpgsql_check.nix
index a38b6a5ecba0..0650cf8a7b2a 100644
--- a/pkgs/servers/sql/postgresql/ext/plpgsql_check.nix
+++ b/pkgs/servers/sql/postgresql/ext/plpgsql_check.nix
@@ -2,13 +2,13 @@
 
 stdenv.mkDerivation rec {
   pname = "plpgsql_check";
-  version = "2.2.1";
+  version = "2.2.2";
 
   src = fetchFromGitHub {
     owner = "okbob";
     repo = pname;
     rev = "v${version}";
-    sha256 = "sha256-0x7alz0EySMcqi4yZm5z6pZeL6glf8AYHG+dVBBtnIU=";
+    sha256 = "sha256-Nxq4wpOWYt4oyoLxERWPhlEwWmLiDEk27EFyDtW/BfI=";
   };
 
   buildInputs = [ postgresql ];
diff --git a/pkgs/servers/sql/postgresql/ext/tsearch_extras.nix b/pkgs/servers/sql/postgresql/ext/tsearch_extras.nix
index 3f3b2aa4f143..582451b3ba44 100644
--- a/pkgs/servers/sql/postgresql/ext/tsearch_extras.nix
+++ b/pkgs/servers/sql/postgresql/ext/tsearch_extras.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, pkg-config, postgresql }:
+{ lib, stdenv, fetchFromGitHub, postgresql }:
 
 stdenv.mkDerivation {
   pname = "tsearch-extras";
@@ -11,7 +11,6 @@ stdenv.mkDerivation {
     sha256 = "18j0saqblg3jhrz38splk173xjwdf32c67ymm18m8n5y94h8d2ba";
   };
 
-  nativenativeBuildInputs = [ pkg-config ];
   buildInputs = [ postgresql ];
 
   installPhase = ''
diff --git a/pkgs/servers/sql/postgresql/ext/wal2json.nix b/pkgs/servers/sql/postgresql/ext/wal2json.nix
index d00e3a175328..f9e01a7bd517 100644
--- a/pkgs/servers/sql/postgresql/ext/wal2json.nix
+++ b/pkgs/servers/sql/postgresql/ext/wal2json.nix
@@ -1,14 +1,14 @@
-{ lib, stdenv, fetchFromGitHub, bison, flex, postgresql }:
+{ lib, stdenv, fetchFromGitHub, postgresql }:
 
 stdenv.mkDerivation rec {
   pname = "wal2json";
-  version = "2.4";
+  version = "2.5";
 
   src = fetchFromGitHub {
     owner = "eulerto";
     repo = "wal2json";
     rev = "wal2json_${builtins.replaceStrings ["."] ["_"] version}";
-    sha256 = "sha256-EB+tCaILWsU9fDhqosl6EyMoYBd6SHISFfyxiZ9pNOk=";
+    sha256 = "sha256-Gpc9uDKrs/dmVSFgdgHM453+TaEnhRh9t0gDbSn8FUI=";
   };
 
   buildInputs = [ postgresql ];
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 64ee8bfe9696..8cbbb7966ae9 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -23926,12 +23926,14 @@ with pkgs;
     postgresql_12
     postgresql_13
     postgresql_14
+    postgresql_15
   ;
   postgresql = postgresql_14.override { this = postgresql; };
   postgresqlPackages = recurseIntoAttrs postgresql.pkgs;
   postgresql11Packages = recurseIntoAttrs postgresql_11.pkgs;
   postgresql12Packages = recurseIntoAttrs postgresql_12.pkgs;
   postgresql13Packages = recurseIntoAttrs postgresql_13.pkgs;
+  postgresql15Packages = recurseIntoAttrs postgresql_15.pkgs;
   postgresql14Packages = postgresqlPackages;
 
   postgresql_jdbc = callPackage ../development/java-modules/postgresql_jdbc { };