diff --git a/showcert-add-cryptography-dependency.patch b/showcert-add-cryptography-dependency.patch
new file mode 100644
index 0000000..84a8f45
--- /dev/null
+++ b/showcert-add-cryptography-dependency.patch
@@ -0,0 +1,12 @@
+diff --git a/pyproject.toml b/pyproject.toml
+index c983f4d..c96abbc 100644
+--- a/pyproject.toml
++++ b/pyproject.toml
+@@ -11,6 +11,7 @@ dynamic = [ "version" ]
+ keywords = [ "SSL", "TLS", "certificate", "verify", "remote", "local", "X.509", "simple", "openssl", "alternative", "CA", "generate", "showcert", "gencert" ]
+ 
+ dependencies = [
++    'cryptography',
+     'pyopenssl',
+     'pem',
+     'certifi'
diff --git a/showcert-remove-dependency-on-python-magic.patch b/showcert-remove-dependency-on-python-magic.patch
deleted file mode 100644
index acacd86..0000000
--- a/showcert-remove-dependency-on-python-magic.patch
+++ /dev/null
@@ -1,12 +0,0 @@
-diff --git a/pyproject.toml b/pyproject.toml
-index 0777d9a..44d5b94 100644
---- a/pyproject.toml
-+++ b/pyproject.toml
-@@ -19,7 +19,6 @@ dependencies = [
-     'pyopenssl >= 24.0.0',
-     'pem >= 23.1.0',
-     'certifi >= 2018.10.15',
--    'python-magic'
- ]
- authors = [
-   { name="Yaroslav Polyakov", email="yaroslaff@gmail.com" },
diff --git a/showcert.spec b/showcert.spec
index b85505e..58ae593 100644
--- a/showcert.spec
+++ b/showcert.spec
@@ -1,20 +1,17 @@
 Name:           showcert
-Version:        0.4.14
-Release:        3%{?dist}
+Version:        0.2.3
+Release:        1%{?dist}
 Summary:        inspect TLS certificates presented by remote servers
 
 License:        MIT
 URL:            https://github.com/yaroslaff/showcert
 Source:         %{pypi_source showcert}
 
-Patch1:         showcert-remove-dependency-on-python-magic.patch
-
+# https://github.com/yaroslaff/showcert/issues/4
+Patch1:         %{name}-add-cryptography-dependency.patch
 BuildArch:      noarch
 BuildRequires:  python3-devel
 
-BuildRequires:  (python3dist(magic) or python3dist(file-magic))
-Requires:       (python3dist(magic) or python3dist(file-magic))
-
 
 %description
 Simple OpenSSL for humans: all you need for X.509 TLS certificates (and
@@ -27,7 +24,7 @@ purposes.
 
 %prep
 %autosetup -p1 -n showcert-%{version}
-%py3_shebang_fix showcert/cli/*.py
+%py3_shebang_fix showcert/gencert.py
 %generate_buildrequires
 %pyproject_buildrequires
 
@@ -58,61 +55,6 @@ gencert --help
 %{_bindir}/gencert
 
 %changelog
-* Fri Jul 17 2026 Fedora Release Engineering <releng@fedoraproject.org> - 0.4.14-3
-- Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild
-
-* Thu Jun 04 2026 Python Maint <python-maint@redhat.com> - 0.4.14-2
-- Rebuilt for Python 3.15
-
-* Thu Feb 19 2026 Felix Schwarz <fschwarz@fedoraproject.org> - 0.4.14-1
-- update to 0.4.14
-
-* Sun Jan 25 2026 Felix Schwarz <fschwarz@fedoraproject.org> - 0.4.12-1
-- update to 0.4.12
-
-* Sat Jan 17 2026 Fedora Release Engineering <releng@fedoraproject.org> - 0.4.11-2
-- Rebuilt for https://fedoraproject.org/wiki/Fedora_44_Mass_Rebuild
-
-* Sat Dec 06 2025 Felix Schwarz <fschwarz@fedoraproject.org> - 0.4.11-1
-- update to 0.4.11
-
-* Thu Nov 20 2025 Felix Schwarz <fschwarz@fedoraproject.org> - 0.4.10-1
-- update to 0.4.10
-
-* Sun Nov 16 2025 Felix Schwarz <fschwarz@fedoraproject.org> - 0.4.9-1
-- update to 0.4.9
-- ability to use python3-file-magic instead of python3-magic
-
-* Wed Nov 05 2025 Felix Schwarz <fschwarz@fedoraproject.org> - 0.4.8-1
-- update to 0.4.8
-
-* Fri Oct 10 2025 Felix Schwarz <fschwarz@fedoraproject.org> - 0.4.7-1
-- update to 0.4.7
-
-* Fri Sep 19 2025 Python Maint <python-maint@redhat.com> - 0.2.12-6
-- Rebuilt for Python 3.14.0rc3 bytecode
-
-* Fri Aug 15 2025 Python Maint <python-maint@redhat.com> - 0.2.12-5
-- Rebuilt for Python 3.14.0rc2 bytecode
-
-* Fri Jul 25 2025 Fedora Release Engineering <releng@fedoraproject.org> - 0.2.12-4
-- Rebuilt for https://fedoraproject.org/wiki/Fedora_43_Mass_Rebuild
-
-* Tue Jun 03 2025 Python Maint <python-maint@redhat.com> - 0.2.12-3
-- Rebuilt for Python 3.14
-
-* Sun Jan 19 2025 Fedora Release Engineering <releng@fedoraproject.org> - 0.2.12-2
-- Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild
-
-* Sat Dec 28 2024 Felix Schwarz <fschwarz@fedoraproject.org> - 0.2.12-1
-- update to 0.2.12
-
-* Fri Dec 20 2024 Felix Schwarz <fschwarz@fedoraproject.org> - 0.2.11-1
-- update to 0.2.11
-
-* Sun Nov 24 2024 Felix Schwarz <fschwarz@fedoraproject.org> - 0.2.9-1
-- update to 0.2.9
-
 * Thu Aug 08 2024 Felix Schwarz <fschwarz@fedoraproject.org> - 0.2.3-1
 - initial package
 
diff --git a/sources b/sources
index e9e8038..0573f40 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (showcert-0.4.14.tar.gz) = 47fd2b016643de31077d424aef3f17a1ee074e44d18ea85cf94353482080d908ff9323564de3b4fc175024b98560fb78202654c488afc41a58e65f878ef20d09
+SHA512 (showcert-0.2.3.tar.gz) = f5ff717d1e6cd2804eb2ef1617014258ce323658d2c26f42d368e55f60f49d2d4158d20efa38a9b513e3f6f0b2b024fc80a32a3e7bc4d55396ba413879fff211