diff --git a/.gitignore b/.gitignore
index 4bf0b04..0c74f98 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,3 +3,4 @@ ocaml-gettext-0.3.3.tar.gz
 /ocaml-gettext-0.3.5.tar.gz
 /0.3.7.tar.gz
 /ocaml-gettext-0.3.8-3aecf8e5350f.tar.gz
+/v0.4.1.tar.gz
diff --git a/0001-xgettext-Ignore-extra-Loc.t-parameter-of-Pconst_stri.patch b/0001-xgettext-Ignore-extra-Loc.t-parameter-of-Pconst_stri.patch
new file mode 100644
index 0000000..54e7579
--- /dev/null
+++ b/0001-xgettext-Ignore-extra-Loc.t-parameter-of-Pconst_stri.patch
@@ -0,0 +1,86 @@
+From 4bd5f21dd6b033bf8c0f1f9549255629325b86eb Mon Sep 17 00:00:00 2001
+From: "Richard W.M. Jones" <rjones@redhat.com>
+Date: Wed, 22 Apr 2020 10:17:03 +0100
+Subject: [PATCH] xgettext: Ignore extra Loc.t parameter of Pconst_string.
+
+---
+ src/bin/ocaml-xgettext/xgettext.ml | 22 +++++++++++-----------
+ 1 file changed, 11 insertions(+), 11 deletions(-)
+
+diff --git a/src/bin/ocaml-xgettext/xgettext.ml b/src/bin/ocaml-xgettext/xgettext.ml
+index 3b42ac1..92ab016 100644
+--- a/src/bin/ocaml-xgettext/xgettext.ml
++++ b/src/bin/ocaml-xgettext/xgettext.ml
+@@ -121,7 +121,7 @@ let visit_expr (iterator : Ast_iterator.iterator) expr =
+   | Pexp_apply
+       ( { pexp_desc = Pexp_ident { Asttypes.txt = lid; _ }; _ },
+         ( Asttypes.Nolabel,
+-          { pexp_desc = Pexp_constant (Pconst_string (singular, _)); _ } )
++          { pexp_desc = Pexp_constant (Pconst_string (singular, _, _)); _ } )
+         :: _ )
+     when is_like lid [ "s_"; "f_" ] ->
+       (* Add a singular / default domain string *)
+@@ -129,9 +129,9 @@ let visit_expr (iterator : Ast_iterator.iterator) expr =
+   | Pexp_apply
+       ( { pexp_desc = Pexp_ident { Asttypes.txt = lid; _ }; _ },
+         ( Asttypes.Nolabel,
+-          { pexp_desc = Pexp_constant (Pconst_string (singular, _)); _ } )
++          { pexp_desc = Pexp_constant (Pconst_string (singular, _, _)); _ } )
+         :: ( Asttypes.Nolabel,
+-             { pexp_desc = Pexp_constant (Pconst_string (plural, _)); _ } )
++             { pexp_desc = Pexp_constant (Pconst_string (plural, _, _)); _ } )
+            :: _ )
+     when is_like lid [ "sn_"; "fn_" ] ->
+       (* Add a plural / default domain string *)
+@@ -140,7 +140,7 @@ let visit_expr (iterator : Ast_iterator.iterator) expr =
+       ( { pexp_desc = Pexp_ident { Asttypes.txt = lid; _ }; _ },
+         _
+         :: ( Asttypes.Nolabel,
+-             { pexp_desc = Pexp_constant (Pconst_string (singular, _)); _ } )
++             { pexp_desc = Pexp_constant (Pconst_string (singular, _, _)); _ } )
+            :: _ )
+     when is_like lid [ "gettext"; "fgettext" ] ->
+       (* Add a singular / default domain string *)
+@@ -149,9 +149,9 @@ let visit_expr (iterator : Ast_iterator.iterator) expr =
+       ( { pexp_desc = Pexp_ident { Asttypes.txt = lid; _ }; _ },
+         _
+         :: ( Asttypes.Nolabel,
+-             { pexp_desc = Pexp_constant (Pconst_string (domain, _)); _ } )
++             { pexp_desc = Pexp_constant (Pconst_string (domain, _, _)); _ } )
+            :: ( Asttypes.Nolabel,
+-                { pexp_desc = Pexp_constant (Pconst_string (singular, _)); _ }
++                { pexp_desc = Pexp_constant (Pconst_string (singular, _, _)); _ }
+               )
+               :: _ )
+     when is_like lid [ "dgettext"; "fdgettext"; "dcgettext"; "fdcgettext" ] ->
+@@ -161,9 +161,9 @@ let visit_expr (iterator : Ast_iterator.iterator) expr =
+       ( { pexp_desc = Pexp_ident { Asttypes.txt = lid; _ }; _ },
+         _
+         :: ( Asttypes.Nolabel,
+-             { pexp_desc = Pexp_constant (Pconst_string (singular, _)); _ } )
++             { pexp_desc = Pexp_constant (Pconst_string (singular, _, _)); _ } )
+            :: ( Asttypes.Nolabel,
+-                { pexp_desc = Pexp_constant (Pconst_string (plural, _)); _ } )
++                { pexp_desc = Pexp_constant (Pconst_string (plural, _, _)); _ } )
+               :: _ )
+     when is_like lid [ "ngettext"; "fngettext" ] ->
+       (* Add a plural / default domain string *)
+@@ -172,12 +172,12 @@ let visit_expr (iterator : Ast_iterator.iterator) expr =
+       ( { pexp_desc = Pexp_ident { Asttypes.txt = lid; _ }; _ },
+         _
+         :: ( Asttypes.Nolabel,
+-             { pexp_desc = Pexp_constant (Pconst_string (domain, _)); _ } )
++             { pexp_desc = Pexp_constant (Pconst_string (domain, _, _)); _ } )
+            :: ( Asttypes.Nolabel,
+-                { pexp_desc = Pexp_constant (Pconst_string (singular, _)); _ }
++                { pexp_desc = Pexp_constant (Pconst_string (singular, _, _)); _ }
+               )
+               :: ( Asttypes.Nolabel,
+-                   { pexp_desc = Pexp_constant (Pconst_string (plural, _)); _ }
++                   { pexp_desc = Pexp_constant (Pconst_string (plural, _, _)); _ }
+                  )
+                  :: _ )
+     when is_like lid [ "dngettext"; "fdngettext"; "dcngettext"; "fdcngettext" ]
+-- 
+2.24.1
+
diff --git a/ocaml-gettext.spec b/ocaml-gettext.spec
index 4b4d12e..6766782 100644
--- a/ocaml-gettext.spec
+++ b/ocaml-gettext.spec
@@ -1,17 +1,18 @@
 %global opt %(test -x %{_bindir}/ocamlopt && echo 1 || echo 0)
 
 Name:           ocaml-gettext
-Version:        0.3.8
-Release:        0.7.git3aecf8e5350f%{?dist}
+Version:        0.4.1
+Release:        1%{?dist}
 Summary:        OCaml library for i18n
 
 License:        LGPLv2+ with exceptions
 URL:            https://github.com/gildor478/ocaml-gettext
 
-#Source0:        https://github.com/gildor478/%{name}/archive/%{version}.tar.gz
-# Temporarily using a preview of 0.3.8 built from git:
-# git archive --format=tar --prefix=ocaml-gettext-0.3.8/ 3aecf8e5350f | gzip > ocaml-gettext-0.3.8-3aecf8e5350f.tar.gz
-Source0:        ocaml-gettext-0.3.8-3aecf8e5350f.tar.gz
+Source0:        https://github.com/gildor478/%{name}/archive/v%{version}.tar.gz
+
+# https://github.com/gildor478/ocaml-gettext/issues/8
+# Pconst_string added extra Loc.t parameter which we must ignore.
+Patch1:         0001-xgettext-Ignore-extra-Loc.t-parameter-of-Pconst_stri.patch
 
 BuildRequires:  ocaml >= 4.00.1
 BuildRequires:  ocaml-findlib-devel >= 1.3.3-3
@@ -90,8 +91,8 @@ signature files for developing applications that use
 
 
 %prep
-%setup -q
-#autopatch -p1
+%setup -q -n %{name}-%{version}
+%autopatch -p1
 
 # Remove dependency on batteries.
 sed -i -e 's/batteries//' test/dune
@@ -117,7 +118,7 @@ rm -rf $RPM_BUILD_ROOT/usr/doc
 
 
 %files
-%doc COPYING
+%doc LICENSE.txt
 %{_libdir}/ocaml/gettext
 %{_libdir}/ocaml/gettext-stub
 %if %opt
@@ -137,7 +138,7 @@ rm -rf $RPM_BUILD_ROOT/usr/doc
 
 
 %files devel
-%doc README.md CHANGELOG THANKS TODO.md
+%doc README.md CHANGES.md THANKS TODO.md
 # %doc build/share/doc/html/*
 %if %opt
 %{_libdir}/ocaml/gettext/*.a
@@ -154,11 +155,14 @@ rm -rf $RPM_BUILD_ROOT/usr/doc
 %{_libdir}/ocaml/gettext-stub/*.ml
 %{_bindir}/ocaml-gettext
 %{_bindir}/ocaml-xgettext
+%{_mandir}/man1/ocaml-gettext.1*
+%{_mandir}/man1/ocaml-xgettext.1*
+%{_mandir}/man5/ocaml-gettext.5*
 
 
 %if !0%{?rhel}
 %files camomile
-%doc COPYING
+%doc LICENSE.txt
 %{_libdir}/ocaml/gettext-camomile
 %if %opt
 %exclude %{_libdir}/ocaml/gettext-camomile/*.a
@@ -180,6 +184,11 @@ rm -rf $RPM_BUILD_ROOT/usr/doc
 
 
 %changelog
+* Wed Apr 22 2020 Richard W.M. Jones <rjones@redhat.com> - 0.4.1-1
+- New upstream version 0.4.1.
+- Add small fix for OCaml 4.11.
+- Package the man pages.
+
 * Tue Apr 21 2020 Richard W.M. Jones <rjones@redhat.com> - 0.3.8-0.7.git3aecf8e5350f
 - OCaml 4.11.0 pre-release attempt 2
 
diff --git a/sources b/sources
index f8bad04..eea02c8 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (ocaml-gettext-0.3.8-3aecf8e5350f.tar.gz) = f35f6e7a1cef84eb24f3c5ec03c8d0646dcc1151cd1182f5448b181aa765d653042eebcef148fef59643dbb38f3349b393a17d824ee74f106f537f1314fc9550
+SHA512 (v0.4.1.tar.gz) = 52a48cdd00e16dcf3c191d400930e88c144c119eb730bfa825ad269f9a6785d5833f13cb32da3de544a12bfff104da78adec27a8172425f4b8fce6d05821ec31