diff --git a/0.11.1.tar.gz b/0.11.1.tar.gz
deleted file mode 100644
index e2815cf..0000000
--- a/0.11.1.tar.gz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:51f965478741ea61f5305b590001190241ebcf529899aa8f3345837cb6c69421
-size 37920
diff --git a/0.12.0.tar.gz b/0.12.0.tar.gz
new file mode 100644
index 0000000..07384e7
--- /dev/null
+++ b/0.12.0.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:074164394b76e9259e945db37967a3df4b9bd9c4c83a26524e528fb26996b772
+size 39392
diff --git a/python-openapi-core.changes b/python-openapi-core.changes
index de9d2da..91fb321 100644
--- a/python-openapi-core.changes
+++ b/python-openapi-core.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Thu Sep 26 14:02:50 UTC 2019 - Tomáš Chvátal <tchvatal@suse.com>
+
+- Update to 0.12.0:
+  * OAS validation with JSONSchema (#157)
+
 -------------------------------------------------------------------
 Wed Sep 11 08:40:59 UTC 2019 - Tomáš Chvátal <tchvatal@suse.com>
 
diff --git a/python-openapi-core.spec b/python-openapi-core.spec
index 07bc5aa..595c044 100644
--- a/python-openapi-core.spec
+++ b/python-openapi-core.spec
@@ -18,7 +18,7 @@
 
 %{?!python_module:%define python_module() python-%{**} python3-%{**}}
 Name:           python-openapi-core
-Version:        0.11.1
+Version:        0.12.0
 Release:        0
 Summary:        Adds client-side and server-side support for the oas3
 License:        BSD-3-Clause
@@ -27,10 +27,11 @@ URL:            https://github.com/p1c2u/openapi-core
 Source:         https://github.com/p1c2u/openapi-core/archive/%{version}.tar.gz
 BuildRequires:  %{python_module Flask}
 BuildRequires:  %{python_module attrs}
+BuildRequires:  %{python_module isodate}
 BuildRequires:  %{python_module lazy-object-proxy}
 BuildRequires:  %{python_module mock}
 BuildRequires:  %{python_module openapi-spec-validator}
-BuildRequires:  %{python_module pytest}
+BuildRequires:  %{python_module pytest < 5}
 BuildRequires:  %{python_module setuptools}
 BuildRequires:  %{python_module six}
 BuildRequires:  %{python_module strict-rfc3339}
@@ -40,6 +41,7 @@ BuildRequires:  python-backports.functools_partialmethod
 BuildRequires:  python-enum34
 BuildRequires:  python-rpm-macros
 Requires:       python-attrs
+Requires:       python-isodate
 Requires:       python-lazy-object-proxy
 Requires:       python-openapi-spec-validator
 Requires:       python-six