diff --git a/m2crypto-0.42.0.tar.gz b/m2crypto-0.42.0.tar.gz
deleted file mode 100644
index 5565e08..0000000
--- a/m2crypto-0.42.0.tar.gz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:42b62df2caf623161b1d643a7235464c2fe2a3105049ebc498a6d47dc08f64b4
-size 240072
diff --git a/m2crypto-0.43.0.tar.gz b/m2crypto-0.43.0.tar.gz
new file mode 100644
index 0000000..4747cf0
--- /dev/null
+++ b/m2crypto-0.43.0.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:91fe89d8fa35b704c75108b62e774240c62e17bb10ebc9f87632d33701eb1391
+size 255515
diff --git a/python-M2Crypto.spec b/python-M2Crypto.spec
index 3a2b3b6..494cdee 100644
--- a/python-M2Crypto.spec
+++ b/python-M2Crypto.spec
@@ -19,19 +19,22 @@
 %define oldpython python
 %{?sle15_python_module_pythons}
 Name:           python-M2Crypto
-Version:        0.42.0
+Version:        0.43.0~pre1
+%define up_version 0.43.0
 Release:        0
 Summary:        Crypto and SSL toolkit for Python
 License:        MIT
 Group:          Development/Languages/Python
 URL:            https://sr.ht/~mcepl/m2crypto/
-Source0:        https://files.pythonhosted.org/packages/source/M/M2crypto/m2crypto-%{version}.tar.gz
+Source0:        https://files.pythonhosted.org/packages/source/M/M2crypto/m2crypto-%{up_version}.tar.gz
 BuildRequires:  %{python_module devel}
 BuildRequires:  %{python_module pip}
 BuildRequires:  %{python_module pytest}
 BuildRequires:  %{python_module setuptools}
 BuildRequires:  %{python_module typing}
 BuildRequires:  %{python_module wheel}
+# For debugging
+BuildRequires:  %{python_module readline}
 BuildRequires:  fdupes
 BuildRequires:  openssl
 BuildRequires:  openssl-devel
@@ -78,7 +81,7 @@ messenger for Zope.
 Documentation for the Crypto and SSL toolkit for Python
 
 %prep
-%autosetup -p1 -n m2crypto-%{version}
+%autosetup -p1 -n m2crypto-%{up_version}
 
 %build
 export CFLAGS="%{optflags}"
@@ -98,7 +101,7 @@ donttest="test_verify_with_static_callback"
 %files %{python_files}
 %doc CHANGES LICENCE README.rst
 %{python_sitearch}/M2Crypto
-%{python_sitearch}/M2Crypto-%{version}*-info
+%{python_sitearch}/M2Crypto-%{up_version}*-info
 
 %files -n %{name}-doc
 %doc doc/*.rst