diff --git a/.gitignore b/.gitignore
index 6a63a3b..a19db17 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,3 +2,4 @@ ocamlnet-2.2.9.tar.gz
 /ocamlnet-3.4.tar.gz
 /ocamlnet-3.4.1.tar.gz
 /ocamlnet-3.5.1.tar.gz
+/ocamlnet-3.7.3.tar.gz
diff --git a/ocaml-ocamlnet.spec b/ocaml-ocamlnet.spec
index 3ee404b..caeeb13 100644
--- a/ocaml-ocamlnet.spec
+++ b/ocaml-ocamlnet.spec
@@ -1,20 +1,14 @@
-%define opt %(test -x %{_bindir}/ocamlopt && echo 1 || echo 0)
-%define debug_package %{nil}
-
-# Prevent RPM from stripping the binaries.
-%define __strip /bin/true
+%global opt %(test -x %{_bindir}/ocamlopt && echo 1 || echo 0)
 
 Name:           ocaml-ocamlnet
-Version:        3.5.1
-Release:        6%{?dist}
+Version:        3.7.3
+Release:        1%{?dist}
 Summary:        Network protocols for OCaml
-
-Group:          Development/Libraries
 License:        BSD
+
 URL:            http://projects.camlcity.org/projects/ocamlnet.html
 Source0:        http://download.camlcity.org/download/ocamlnet-%{version}.tar.gz
 
-BuildRoot:      %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
 ExcludeArch:    sparc64 s390 s390x
 
 BuildRequires:  ocaml >= 3.12.1-3
@@ -28,8 +22,6 @@ BuildRequires:  ocaml-labltk-devel
 
 %global __ocaml_requires_opts -i Asttypes -i Outcometree -i Parsetree
 
-Patch0:         ocamlnet-ocaml-4.patch
-
 
 %description
 Ocamlnet is an ongoing effort to collect modules, classes and
@@ -65,7 +57,7 @@ In detail, the following features are available:
 
  * netshm provides shared memory for IPC purposes.
 
- * netsys contains bindings for system functions missing in core O'Caml.
+ * netsys contains bindings for system functions missing in core OCaml.
 
  * smtp and pop are two further client implementations for the SMTP
    and POP3 protocols.
@@ -109,8 +101,6 @@ files for developing applications that use %{name}-nethttpd.
 %prep
 %setup -q -n ocamlnet-%{version}
 
-%patch0 -p1
-
 
 %build
 ./configure -enable-tcl -with-nethttpd \
@@ -130,7 +120,6 @@ make opt
 %endif
 
 %install
-rm -rf $RPM_BUILD_ROOT
 export DESTDIR=$RPM_BUILD_ROOT
 export OCAMLFIND_DESTDIR=$RPM_BUILD_ROOT%{_libdir}/ocaml
 mkdir -p $OCAMLFIND_DESTDIR
@@ -141,22 +130,8 @@ make install
 # be deleted safely.  This avoids an rpmlint warning.
 rm -f $RPM_BUILD_ROOT%{_libdir}/ocaml/rpc-generator/dummy.mli
 
-# Strip libraries.
-strip $RPM_BUILD_ROOT%{_libdir}/ocaml/stublibs/*.so
-
-# NB. Do NOT strip the binaries and prevent prelink from stripping them too.
-# (https://bugzilla.redhat.com/show_bug.cgi?id=435559)
-mkdir -p $RPM_BUILD_ROOT/etc/prelink.conf.d
-echo -e '-b /usr/bin/netplex-admin\n-b /usr/bin/ocamlrpcgen' \
-  > $RPM_BUILD_ROOT/etc/prelink.conf.d/ocaml-ocamlnet.conf
-
-
-%clean
-rm -rf $RPM_BUILD_ROOT
-
 
 %files
-%defattr(-,root,root,-)
 %doc ChangeLog RELNOTES
 %{_libdir}/ocaml/equeue
 %{_libdir}/ocaml/equeue-gtk2
@@ -191,7 +166,6 @@ rm -rf $RPM_BUILD_ROOT
 %{_datadir}/%{name}/
 %{_bindir}/netplex-admin
 %{_bindir}/ocamlrpcgen
-%config(noreplace) /etc/prelink.conf.d/ocaml-ocamlnet.conf
 
 
 %files devel
@@ -229,6 +203,12 @@ rm -rf $RPM_BUILD_ROOT
 
 
 %changelog
+* Sat Sep 14 2013 Richard W.M. Jones <rjones@redhat.com> - 3.7.3-1
+- New upstream version 3.7.3.
+- Rebuild for OCaml 4.01.0.
+- Enable debuginfo.
+- Do not strip binaries, remove anti-prelink protection.
+
 * Sat Aug 03 2013 Fedora Release Engineering <rel-eng@lists.fedoraproject.org> - 3.5.1-6
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_20_Mass_Rebuild
 
diff --git a/ocamlnet-ocaml-4.patch b/ocamlnet-ocaml-4.patch
deleted file mode 100644
index ba22721..0000000
--- a/ocamlnet-ocaml-4.patch
+++ /dev/null
@@ -1,24 +0,0 @@
-diff -ur ocamlnet-3.5.1.old/src/netstring/Makefile.def ocamlnet-3.5.1/src/netstring/Makefile.def
---- ocamlnet-3.5.1.old/src/netstring/Makefile.def	2012-02-29 18:02:52.000000000 +0000
-+++ ocamlnet-3.5.1/src/netstring/Makefile.def	2012-06-09 15:43:13.893064261 +0100
-@@ -13,7 +13,7 @@
- PKGNAME  = netstring
- 
- REQUIRES = $(REGEXP_PROVIDER) bigarray
--INCLUDES += $(INC_NETSYS)
-+INCLUDES += $(INC_NETSYS) -I +compiler-libs
- 
- ISO_MAPPINGS   = mappings/iso*.unimap
- JP_MAPPINGS    = mappings/jis*.*map
-diff -ur ocamlnet-3.5.1.old/src/netsys/netsys_posix.ml ocamlnet-3.5.1/src/netsys/netsys_posix.ml
---- ocamlnet-3.5.1.old/src/netsys/netsys_posix.ml	2012-02-29 18:02:52.000000000 +0000
-+++ ocamlnet-3.5.1/src/netsys/netsys_posix.ml	2012-06-09 15:40:03.404669934 +0100
-@@ -704,7 +704,7 @@
- (* The stubs assume these type definitions: *)
- type open_flag1 = Unix.open_flag =
-     O_RDONLY | O_WRONLY | O_RDWR | O_NONBLOCK | O_APPEND | O_CREAT | O_TRUNC
--  | O_EXCL | O_NOCTTY | O_DSYNC | O_SYNC | O_RSYNC
-+  | O_EXCL | O_NOCTTY | O_DSYNC | O_SYNC | O_RSYNC | O_SHARE_DELETE
- 
- type access_permission1 = Unix.access_permission =
-     R_OK | W_OK | X_OK | F_OK
diff --git a/sources b/sources
index f039290..cd17d96 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-9f4f474bfe88496220079e06791ff31c  ocamlnet-3.5.1.tar.gz
+245c7a79474875d3fc7af54b6d963429  ocamlnet-3.7.3.tar.gz