diff --git a/ocaml-ocamlnet.spec b/ocaml-ocamlnet.spec
index 4167d09..5777002 100644
--- a/ocaml-ocamlnet.spec
+++ b/ocaml-ocamlnet.spec
@@ -3,7 +3,7 @@
 
 Name:           ocaml-ocamlnet
 Version:        2.2.9
-Release:        1%{?dist}
+Release:        2%{?dist}
 Summary:        Network protocols for OCaml
 
 Group:          Development/Libraries
@@ -12,10 +12,11 @@ URL:            http://www.ocaml-programming.de/programming/ocamlnet.html
 Source0:        http://www.ocaml-programming.de/packages/ocamlnet-%{version}.tar.gz
 ExcludeArch:    ppc64
 Patch0:         ocamlnet-ocaml310.patch
+Patch1:         ocamlnet-ucred.patch
 
 BuildRoot:      %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
 
-BuildRequires:  ocaml
+BuildRequires:  ocaml >= 3.10.1
 BuildRequires:  ocaml-ocamldoc
 BuildRequires:  ocaml-camlp4-devel
 BuildRequires:  ocaml-findlib-devel
@@ -114,6 +115,7 @@ files for developing applications that use %{name}-nethttpd.
 pushd src/equeue-gtk1
 %patch0 -p2
 popd
+%patch1 -p1
 
 ./configure -enable-tcl -with-nethttpd \
   -bindir %{_bindir} \
@@ -231,6 +233,9 @@ rm -rf $RPM_BUILD_ROOT
 
 
 %changelog
+* Tue Feb 12 2008 Richard W.M. Jones <rjones@redhat.com> - 2.2.9-2
+- Rebuild for OCaml 3.10.1.
+
 * Wed Nov  7 2007 Richard W.M. Jones <rjones@redhat.com> - 2.2.9-1
 - New upstream release 2.2.9.
 - A more bletcherous, but more working, patch to fix the camlp4
diff --git a/ocamlnet-ucred.patch b/ocamlnet-ucred.patch
new file mode 100644
index 0000000..7466f62
--- /dev/null
+++ b/ocamlnet-ucred.patch
@@ -0,0 +1,12 @@
+diff -ur ocamlnet-2.2.9/src/rpc-auth-local/rpclocal.c ocamlnet-2.2.9.new/src/rpc-auth-local/rpclocal.c
+--- ocamlnet-2.2.9/src/rpc-auth-local/rpclocal.c	2007-11-01 22:12:33.000000000 +0000
++++ ocamlnet-2.2.9.new/src/rpc-auth-local/rpclocal.c	2008-02-12 21:01:21.000000000 +0000
+@@ -3,6 +3,8 @@
+  *
+  */
+ 
++#define _GNU_SOURCE /* for SO_PEERCRED / struct ucred */
++
+ #include "caml/mlvalues.h"
+ #include "caml/alloc.h"
+ #include "caml/memory.h"