diff --git a/.gitignore b/.gitignore
index 52277df..5b5dfea 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,2 @@
 /ocaml-base64-2.0.0.tar.gz
+/v2.1.2.tar.gz
diff --git a/ocaml-base64.spec b/ocaml-base64.spec
index d7f9838..0c4cbf7 100644
--- a/ocaml-base64.spec
+++ b/ocaml-base64.spec
@@ -4,13 +4,13 @@
 %endif
 
 Name:           ocaml-base64
-Version:        2.0.0
-Release:        5%{?dist}
+Version:        2.1.2
+Release:        1%{?dist}
 Summary:        Base64 library for OCaml
 
 License:        ISC
 URL:            https://github.com/mirage/ocaml-base64
-Source0:        https://github.com/mirage/ocaml-base64/archive/v2.0.0/ocaml-base64-2.0.0.tar.gz
+Source0:        https://github.com/mirage/ocaml-base64/archive/v%{version}.tar.gz
 
 BuildRequires:  ocaml
 BuildRequires:  ocaml-ocamldoc
@@ -37,15 +37,18 @@ Development files for %{name}.
 
 
 %build
-./configure
-make
+# Bizarro build system, so build and install it by hand.
+ocamlbuild -use-ocamlfind -classic-display -tag debug src/b64.cma
+ocamlbuild -use-ocamlfind -classic-display -tag debug src/b64.cmxa
+ocamlbuild -use-ocamlfind -classic-display -tag debug src/b64.cmxs
 
 
 %install
 export DESTDIR=$RPM_BUILD_ROOT
 export OCAMLFIND_DESTDIR=$RPM_BUILD_ROOT%{_libdir}/ocaml
 mkdir -p $OCAMLFIND_DESTDIR
-make install INSTALLFLAGS=destdir=$DESTDIR
+sed 's/^version.*/version = "%{version}"/' < pkg/META > META
+ocamlfind install base64 _build/src/* META
 
 # Delete a few files we don't really want.
 pushd $OCAMLFIND_DESTDIR/base64
@@ -77,6 +80,9 @@ popd
 
 
 %changelog
+* Mon Nov 07 2016 Richard W.M. Jones <rjones@redhat.com> - 2.1.2-1
+- New upstream version 2.1.2.
+
 * Wed Oct 19 2016 Dan Horák <dan[at]danny.cz> - 2.0.0-5
 - disable debuginfo subpackage on interpreted builds
 
diff --git a/sources b/sources
index cc561e0..b48269f 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-52b9736839c83cf88a9fb1373cf2e35c  ocaml-base64-2.0.0.tar.gz
+479d28f71f28df483bf34d3a2cffaf04  v2.1.2.tar.gz