diff --git a/.gitignore b/.gitignore
index 2fc8ae2..00a41b9 100644
--- a/.gitignore
+++ b/.gitignore
@@ -66,3 +66,4 @@ SQLAlchemy-0.6.1.tar.gz
 /SQLAlchemy-1.2.16.tar.gz
 /SQLAlchemy-1.2.17.tar.gz
 /SQLAlchemy-1.2.18.tar.gz
+/SQLAlchemy-1.3.0b3.tar.gz
diff --git a/python-sqlalchemy.spec b/python-sqlalchemy.spec
index 4d26e4e..a6107e3 100644
--- a/python-sqlalchemy.spec
+++ b/python-sqlalchemy.spec
@@ -5,13 +5,15 @@
 %global srcname SQLAlchemy
 
 Name:           python-sqlalchemy
-Version:        1.2.18
+Version:        1.3.0~b3
+# cope with pre-release versions containing tildes
+%global srcversion %{lua: srcversion, num = rpm.expand("%{version}"):gsub("~", ""); print(srcversion);}
 Release:        1%{?dist}
 Summary:        Modular and flexible ORM library for python
 
 License:        MIT
 URL:            http://www.sqlalchemy.org/
-Source0:        https://files.pythonhosted.org/packages/source/S/%{srcname}/%{srcname}-%{version}.tar.gz
+Source0:        https://files.pythonhosted.org/packages/source/S/%{srcname}/%{srcname}-%{srcversion}.tar.gz
 
 BuildRequires:  gcc
 
@@ -78,7 +80,7 @@ This package includes the python 3 version of the module.
 
 
 %prep
-%setup -n %{srcname}-%{version}
+%setup -n %{srcname}-%{srcversion}
 
 %build
 %py2_build
@@ -121,6 +123,9 @@ PYTHONPATH=. %{__python3} -m pytest test
 %endif # with_python3
 
 %changelog
+* Fri Mar 01 2019 Nils Philippsen <nils@tiptoe.de> - 1.3.0~b3-1
+- version 1.3.0b3
+
 * Wed Feb 20 2019 Nils Philippsen <nils@tiptoe.de> - 1.2.18-1
 - version 1.2.18
 
diff --git a/sources b/sources
index 23ee582..5982859 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (SQLAlchemy-1.2.18.tar.gz) = a3074e0f7b9a307937f02ad030811413f3c92b7edcc4f1c6eda7c94c1178708f8c920840385a9b33c7952e224fe46dc73223aee00123e863abf6d1d446aebdb2
+SHA512 (SQLAlchemy-1.3.0b3.tar.gz) = 7df0732c39fbd9f70e87c092c7ea26c202274e30bacac9f3241967513be778dbae788695b243e9b2984e11beae5a4ff5ac2a0462afea63269835f67a0515c443