diff --git a/.gitignore b/.gitignore
index 3c84291..a491315 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,3 +2,4 @@ cryptokit-1.3.tar.gz
 /cryptokit-1.4.tar.gz
 /cryptokit-1.6.tar.gz
 /cryptokit-1.9.tar.gz
+/cryptokit-1.11.tar.gz
diff --git a/cryptokit-1.9-uint32.patch b/cryptokit-1.9-uint32.patch
deleted file mode 100644
index b0f60e5..0000000
--- a/cryptokit-1.9-uint32.patch
+++ /dev/null
@@ -1,14 +0,0 @@
-diff -ur cryptokit-1.9.old/src/stubs-md5.c cryptokit-1.9/src/stubs-md5.c
---- cryptokit-1.9.old/src/stubs-md5.c	2010-08-30 11:53:00.000000000 +0100
-+++ cryptokit-1.9/src/stubs-md5.c	2014-11-03 13:16:54.548572332 +0000
-@@ -18,8 +18,8 @@
- #include <caml/alloc.h>
- 
- struct MD5Context {
--        uint32 buf[4];
--        uint32 bits[2];
-+        uint32_t buf[4];
-+        uint32_t bits[2];
-         unsigned char in[64];
- };
- 
diff --git a/ocaml-cryptokit.spec b/ocaml-cryptokit.spec
index d9fc425..4dd9c41 100644
--- a/ocaml-cryptokit.spec
+++ b/ocaml-cryptokit.spec
@@ -1,20 +1,18 @@
 %global opt %(test -x %{_bindir}/ocamlopt && echo 1 || echo 0)
 
 Name:           ocaml-cryptokit
-Version:        1.9
-Release:        17%{?dist}
+Version:        1.11
+Release:        1%{?dist}
 Summary:        OCaml library of cryptographic and hash functions
 License:        LGPLv2 with exceptions
 
 URL:            http://forge.ocamlcore.org/projects/cryptokit/
-Source0:        https://forge.ocamlcore.org/frs/download.php/1229/cryptokit-%{version}.tar.gz
-
-# OCaml headers dropped uint32/etc.  Use standard uint32_t instead.
-Patch1:         cryptokit-1.9-uint32.patch
+Source0:        https://forge.ocamlcore.org/frs/download.php/1618/cryptokit-1.11.tar.gz
 
 
 BuildRequires:  ocaml
 BuildRequires:  ocaml-ocamldoc
+BuildRequires:  ocaml-ocamlbuild
 BuildRequires:  ocaml-findlib-devel
 BuildRequires:  zlib-devel
 BuildRequires:  chrpath
@@ -56,12 +54,8 @@ developing applications that use %{name}.
 %prep
 %setup -q -n cryptokit-%{version}
 
-%patch1 -p1
-
-./configure --destdir $RPM_BUILD_ROOT
-
-
 %build
+./configure --destdir $RPM_BUILD_ROOT
 # Some sort of circular dependency, so sometimes the first make fails.
 # Just run make twice.
 make ||:
@@ -106,6 +100,9 @@ make install
 
 
 %changelog
+* Mon Nov 07 2016 Richard W.M. Jones <rjones@redhat.com> - 1.11-1
+- New upstream version 1.11.
+
 * Thu Feb 04 2016 Fedora Release Engineering <releng@fedoraproject.org> - 1.9-17
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_24_Mass_Rebuild
 
diff --git a/sources b/sources
index eea9554..0a513b4 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-4432a426c9d260822f4ff2b0750413de  cryptokit-1.9.tar.gz
+931f8240ad30d9930d0f584f2921de69  cryptokit-1.11.tar.gz