diff --git a/pkgs/servers/sql/postgresql/pgtap/default.nix b/pkgs/servers/sql/postgresql/pgtap/default.nix
new file mode 100644
index 000000000000..b17446ca7786
--- /dev/null
+++ b/pkgs/servers/sql/postgresql/pgtap/default.nix
@@ -0,0 +1,32 @@
+{ stdenv, fetchFromGitHub, postgresql, perl, perlPackages, which }:
+
+stdenv.mkDerivation rec {
+  name = "pgtap-${version}";
+  version = "0.97.0";
+
+  src = fetchFromGitHub {
+    owner = "theory";
+    repo = "pgtap";
+    rev = "v${version}";
+    sha256 = "1vzc8pxzi0rbywmrvx7i5awngsvzcz75i4jl9bk2vqr223chax6f";
+  };
+
+  nativeBuildInputs = [ postgresql perl perlPackages.TAPParserSourceHandlerpgTAP which ];
+
+  installPhase = ''
+    install -D {sql/pgtap--${version}.sql,pgtap.control} -t $out/share/extension
+  '';
+
+  meta = with stdenv.lib; {
+    description = "pgTAP is a unit testing framework for PostgreSQL";
+    longDescription = ''
+      pgTAP is a unit testing framework for PostgreSQL written in PL/pgSQL and PL/SQL.
+      It includes a comprehensive collection of TAP-emitting assertion functions,
+      as well as the ability to integrate with other TAP-emitting test frameworks.
+      It can also be used in the xUnit testing style.
+    '';
+    maintainers = with maintainers; [ willibutz ];
+    homepage = http://pgtap.org;
+    inherit (postgresql.meta) platforms;
+  };
+}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index c945bbe40609..2b7803c61319 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -2475,6 +2475,8 @@ with pkgs;
 
   pgjwt = callPackage ../servers/sql/postgresql/pgjwt {};
 
+  pgtap = callPackage ../servers/sql/postgresql/pgtap {};
+
   pigz = callPackage ../tools/compression/pigz { };
 
   pixz = callPackage ../tools/compression/pixz { };