diff --git a/.gitignore b/.gitignore
index cc96cd1..ed63ab0 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
 /ocaml-qcheck-0.7.tar.gz
 /ocaml-qcheck-0.8.tar.gz
 /ocaml-qcheck-0.10.tar.gz
+/ocaml-qcheck-0.12.tar.gz
diff --git a/ocaml-qcheck.spec b/ocaml-qcheck.spec
index 41001ae..4ad5a9d 100644
--- a/ocaml-qcheck.spec
+++ b/ocaml-qcheck.spec
@@ -1,6 +1,6 @@
 Name:           ocaml-qcheck
-Version:        0.10
-Release:        3%{?dist}
+Version:        0.12
+Release:        1%{?dist}
 Summary:        QuickCheck inspired property-based testing for OCaml
 
 License:        BSD
@@ -12,7 +12,6 @@ BuildRequires:  ocaml-dune
 BuildRequires:  ocaml-ocamlbuild
 BuildRequires:  ocaml-findlib
 BuildRequires:  ocaml-ounit-devel
-BuildRequires:  opam-installer
 
 
 %description
@@ -88,6 +87,10 @@ dune runtest --no-buffer --profile release
 
 
 %changelog
+* Wed Dec 18 2019 Andy Li <andy@onthewings.net> - 0.12-1
+- New upstream release. (RHBZ#1757625)
+- Remove unneeded BuildRequires on opam-installer.
+
 * Fri Aug 16 2019 Richard W.M. Jones <rjones@redhat.com> - 0.10-3
 - OCaml 4.08.1 (final) rebuild.
 
diff --git a/sources b/sources
index 5a56204..e4338ba 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (ocaml-qcheck-0.10.tar.gz) = 250d7934012455d29d95b710f5b42bbe3ea42e6ec1b5781dba807781ac9d5a66ca39dc4535667fd9b00bfcc566e11dbdb3f7306dde1d8f0e9f90d1447cdc4d97
+SHA512 (ocaml-qcheck-0.12.tar.gz) = a8b844d66b65fdc8cd1cb2ff1a84801815501559dccac5e4188593f5b294ca318f7de971987ce810b6f7840a292999a98ea8beb1e2c989ee3abd78314fca3ad3