diff --git a/.gitignore b/.gitignore
index c2211c7..20278fd 100644
--- a/.gitignore
+++ b/.gitignore
@@ -33,3 +33,5 @@ anki-1.0.1.tgz
 /anki-2.0.36.tgz
 /anki-2.0.39-source.tgz
 /anki-2.0.43-source.tgz
+/anki-2.0.50-source.tgz
+/anki-2.0.52-source.tgz
diff --git a/anki-2.0.50-use-python2-shebang.patch b/anki-2.0.50-use-python2-shebang.patch
new file mode 100644
index 0000000..4eb51a1
--- /dev/null
+++ b/anki-2.0.50-use-python2-shebang.patch
@@ -0,0 +1,18 @@
+diff -uNr anki-2.0.50.old/anki/anki anki-2.0.50/anki/anki
+--- anki-2.0.50.old/anki/anki	2016-05-12 04:40:52.000000000 +0200
++++ anki-2.0.50/anki/anki	2018-04-11 00:59:13.901232410 +0200
+@@ -1,4 +1,4 @@
+-#!/usr/bin/env python
++#!/usr/bin/python2
+ 
+ import os, sys
+ # system-wide install
+diff -uNr anki-2.0.50.old/runanki anki-2.0.50/runanki
+--- anki-2.0.50.old/runanki	2016-03-21 08:28:07.000000000 +0100
++++ anki-2.0.50/runanki	2018-04-11 00:58:54.213952994 +0200
+@@ -1,4 +1,4 @@
+-#!/usr/bin/env python
++#!/usr/bin/python2
+ 
+ import sys
+ sys.path.insert(0, "/usr/share/anki")
diff --git a/anki-2.0.50-use-system-certificates.patch b/anki-2.0.50-use-system-certificates.patch
new file mode 100644
index 0000000..88e6bed
--- /dev/null
+++ b/anki-2.0.50-use-system-certificates.patch
@@ -0,0 +1,12 @@
+diff -uNr anki-2.0.50.old/anki/sync.py anki-2.0.50/anki/sync.py
+--- anki-2.0.50.old/anki/sync.py	2017-08-27 03:51:01.000000000 +0200
++++ anki-2.0.50/anki/sync.py	2018-04-11 00:30:32.785697476 +0200
+@@ -52,7 +52,7 @@
+             if not os.path.exists(certs):
+                 assert 0, "Your distro has not packaged Anki correctly."
+     return httplib2.Http(
+-        timeout=HTTP_TIMEOUT, ca_certs=certs,
++        timeout=HTTP_TIMEOUT,
+         proxy_info=HTTP_PROXY,
+         disable_ssl_certificate_validation=not not HTTP_PROXY)
+ 
diff --git a/anki.spec b/anki.spec
index 6ff5442..a8c9d67 100644
--- a/anki.spec
+++ b/anki.spec
@@ -1,8 +1,8 @@
 %{!?python_sitelib: %global python_sitelib %(%{__python} -c "from distutils.sysconfig import get_python_lib; print get_python_lib()")}
 
 Name:		anki
-Version:	2.0.43
-Release:	2%{?dist}
+Version:	2.0.52
+Release:	1%{?dist}
 Summary:	Flashcard program for using space repetition learning
 
 Group:		Amusements/Games
@@ -14,12 +14,19 @@ Source2:	anki.appdata.xml
 
 # Config change: don't check for new updates.
 Patch0:		anki-2.0.3-noupdate.patch
+# The supplied CA store does not include the root CAs for the
+# add-ons server when SNI is used by python's httplib2
+Patch1:		anki-2.0.50-use-system-certificates.patch
+# Use /usr/bin/python2 as shebang as required by
+# https://fedoraproject.org/wiki/Packaging:Python
+Patch2:		anki-2.0.50-use-python2-shebang.patch
 BuildRequires:	python2-devel, python-setuptools, python-sqlalchemy
 BuildRequires:	desktop-file-utils, PyQt4, python-simplejson
 Requires:	hicolor-icon-theme
 Requires:	qt4, PyQt4, PyQt4-webkit
 Requires:	python-sqlalchemy, python-simplejson
 Requires:	python-matplotlib
+Requires:	python2-send2trash
 Requires:	pygame, python-BeautifulSoup, python-httplib2
 Requires:	pyaudio, sox
 BuildArch:	noarch
@@ -30,24 +37,17 @@ and phrases in a foreign language) as easily, quickly and efficiently
 as possible. Anki is based on a theory called spaced repetition.
 
 %prep
-%setup -q
-mv thirdparty/send2trash .
+%autosetup -p 1
 rm -rf thirdparty
-rm 'aqt/forms/#about.py#'
-%patch0 -p1 -b .noupdate
 
 %build
 
 %install
 mkdir -p %{buildroot}%{_datadir}/%{name}
-rm -f aqt/*.noupdate
-rm -f aqt/*.fix-browserview
 cp -R aqt %{buildroot}%{_datadir}/%{name}/
 cp -R designer %{buildroot}%{_datadir}/%{name}/
 cp -R anki %{buildroot}%{_datadir}/%{name}/
 cp -R locale %{buildroot}%{_datadir}/%{name}/
-mkdir -p %{buildroot}%{_datadir}/%{name}/thirdparty
-cp -R send2trash %{buildroot}%{_datadir}/%{name}/thirdparty/
 
 install -d %{buildroot}%{_bindir}
 install -m 755 runanki %{buildroot}%{_bindir}/anki
@@ -111,7 +111,6 @@ fi
 %{_datadir}/%{name}/aqt/
 %{_datadir}/%{name}/designer/
 %{_datadir}/%{name}/anki/
-%{_datadir}/%{name}/thirdparty/
 %{_datadir}/applications/%{name}.desktop
 %{_datadir}/icons/hicolor/scalable/apps/%{name}.*
 %{_datadir}/mime/packages/anki.xml
@@ -119,6 +118,17 @@ fi
 %{_datadir}/appdata/anki.appdata.xml
 
 %changelog
+* Thu May 31 2018 Christian Krause <chkr@fedoraproject.org> - 2.0.52-1
+- Update to new upstream version 2.0.52 (BZ 1584661)
+- Remove obsolete directories in %%install
+
+* Mon Apr 09 2018 Christian Krause <chkr@fedoraproject.org> - 2.0.50-1
+- Update to new upstream version 2.0.50 (BZ 1436178, BZ 1529540, BZ 1529541)
+- Use separate send2trash python module instead of the bundled one (BZ 1173410)
+- Disable internal CA store in favor of global one (BZ 1497504)
+- Use correct shebang for python2 (BZ 1478302)
+- Use %%autosetup
+
 * Wed Jul 26 2017 Fedora Release Engineering <releng@fedoraproject.org> - 2.0.43-2
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_27_Mass_Rebuild
 
diff --git a/sources b/sources
index 5a7dac3..39c4e42 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (anki-2.0.43-source.tgz) = e50ee4cf6fd7be266b6d38682e28a06b51cc42a2667f35fbafa755152d47bbadb2fbd2baa771d13e73f39973a4102d626fbe7327a5de05efbc3700d7a2c9909c
+SHA512 (anki-2.0.52-source.tgz) = 5130f6a90860d7e4de6cbf4401ab61c841e3d27cbcb2f62b45f807902e332e37fd7892a8688ad92ef1fae62360076530f480dfd6396b1cc0289ca8a52019ef05