diff --git a/pkgs/development/python-modules/pexpect/default.nix b/pkgs/development/python-modules/pexpect/default.nix
new file mode 100644
index 000000000000..c5d1e8ef3c44
--- /dev/null
+++ b/pkgs/development/python-modules/pexpect/default.nix
@@ -0,0 +1,44 @@
+{ lib
+, buildPythonPackage
+, fetchPypi
+, ptyprocess
+}:
+
+buildPythonPackage rec {
+  pname = "pexpect";
+  version = "4.3.0";
+  name = "${pname}-${version}";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "1nfjmz81gsixv22dywidakm7pff3ly1i4yly950bfp8gz1r0iaq0";
+  };
+
+  # Wants to run pythonin a subprocess
+  doCheck = false;
+
+  propagatedBuildInputs = [ ptyprocess ];
+
+  meta = with lib; {
+    homepage = http://www.noah.org/wiki/Pexpect;
+    description = "Automate interactive console applications such as ssh, ftp, etc";
+    license = licenses.mit;
+    maintainers = with maintainers; [ zimbatm ];
+
+    longDescription = ''
+      Pexpect is similar to the Don Libes "Expect" system, but Pexpect
+      as a different interface that is easier to understand. Pexpect
+      is basically a pattern matching system. It runs programs and
+      watches output. When output matches a given pattern Pexpect can
+      respond as if a human were typing responses. Pexpect can be used
+      for automation, testing, and screen scraping. Pexpect can be
+      used for automating interactive console applications such as
+      ssh, ftp, passwd, telnet, etc. It can also be used to control
+      web applications via "lynx", "w3m", or some other text-based web
+      browser. Pexpect is pure Python. Unlike other Expect-like
+      modules for Python Pexpect does not require TCL or Expect nor
+      does it require C extensions to be compiled. It should work on
+      any platform that supports the standard Python pty module.
+    '';
+  };
+}
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 302e9dec1b92..8c7e0f82c8a0 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -14386,43 +14386,7 @@ in {
     };
   };
 
-
-  pexpect = buildPythonPackage rec {
-    version = "4.2.1";
-    name = "pexpect-${version}";
-
-    src = pkgs.fetchurl {
-      url = "mirror://pypi/p/pexpect/${name}.tar.gz";
-      sha256 = "3d132465a75b57aa818341c6521392a06cc660feb3988d7f1074f39bd23c9a92";
-    };
-
-    # Wants to run pythonin a subprocess
-    doCheck = false;
-
-    propagatedBuildInputs = with self; [ ptyprocess ];
-
-    meta = {
-      homepage = http://www.noah.org/wiki/Pexpect;
-      description = "Automate interactive console applications such as ssh, ftp, etc";
-      license = licenses.mit;
-
-      longDescription = ''
-        Pexpect is similar to the Don Libes "Expect" system, but Pexpect
-        as a different interface that is easier to understand. Pexpect
-        is basically a pattern matching system. It runs programs and
-        watches output. When output matches a given pattern Pexpect can
-        respond as if a human were typing responses. Pexpect can be used
-        for automation, testing, and screen scraping. Pexpect can be
-        used for automating interactive console applications such as
-        ssh, ftp, passwd, telnet, etc. It can also be used to control
-        web applications via "lynx", "w3m", or some other text-based web
-        browser. Pexpect is pure Python. Unlike other Expect-like
-        modules for Python Pexpect does not require TCL or Expect nor
-        does it require C extensions to be compiled. It should work on
-        any platform that supports the standard Python pty module.
-      '';
-    };
-  };
+  pexpect = callPackage ../development/python-modules/pexpect { };
 
   pdfkit = buildPythonPackage rec {
     name = "pdfkit-${version}";