diff --git a/.gitignore b/.gitignore
index b2190c7..70c57bc 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
 scapy-2.0.0.10.tar.gz
 /scapy-2.2.0.tar.gz
 /scapy-2.3.1.zip
+/scapy-2.3.3.tar.gz
diff --git a/scapy.spec b/scapy.spec
index ea30094..9c04bae 100644
--- a/scapy.spec
+++ b/scapy.spec
@@ -1,13 +1,19 @@
+%global         gituser         secdev
+%global         gitname         scapy
+%global         commit          6c331b78aaeef7af53035760698b1d7d6afeb9a7
+%global         shortcommit     %(c=%{commit}; echo ${c:0:7})
+
 Name: scapy
-Version: 2.3.1
-Release: 4%{?dist}
+Version: 2.3.3
+Release: 1%{?dist}
 Summary: Interactive packet manipulation tool and network scanner
 
 Group: Applications/Internet
 License: GPLv2
 URL: http://www.secdev.org/projects/scapy/
-Source0: http://www.secdev.org/projects/scapy/files/scapy-%{version}.zip
+#Source0: http://www.secdev.org/projects/scapy/files/scapy-%{version}.zip
 # https://bitbucket.org/secdev/scapy/pull-request/80
+Source0: https://github.com/%{gituser}/%{gitname}/archive/v%{version}.tar.gz#/%{name}-%{version}.tar.gz
 Patch0: scapy-2.2.0-xdg-open.patch
 
 BuildArch: noarch
@@ -23,10 +29,7 @@ a wide number of protocols, send them over the wire, capture them, match
 requests and replies, and much more.
 
 %prep
-# setup assumes tar file while it's a zip
-rm -rf %{_builddir}/%{name}-%{version}/
-unzip %{SOURCE0}
-%setup -T -D
+%setup -q
 %patch0 -p1
 
 %build
@@ -57,6 +60,9 @@ done
 %{python2_sitelib}/scapy-*.egg-info
 
 %changelog
+* Tue May 23 2017 Michal Ambroz <rebus _AT seznam.cz> - 2.3.3-1
+- bump to upstream 2.3.3
+
 * Sat Feb 11 2017 Fedora Release Engineering <releng@fedoraproject.org> - 2.3.1-4
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_26_Mass_Rebuild
 
diff --git a/sources b/sources
index 062e47b..c862ffc 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-46f4ef88b676daebd3053bbd2ee16425  scapy-2.3.1.zip
+SHA512 (scapy-2.3.3.tar.gz) = 47ca2eceafe7b693c569a92c106782037d869c323aaaec41cace07dfdeb3c6a7e9f7bc8ca1150b3c0daea54e6665f93eb1dfc3c511419cfa28eb2e0753bf9ba4