diff --git a/pkgs/python-packages.nix b/pkgs/python-packages.nix
--- a/pkgs/python-packages.nix
+++ b/pkgs/python-packages.nix
@@ -94,13 +94,13 @@
     };
   };
   Markdown = super.buildPythonPackage {
-    name = "Markdown-2.6.9";
+    name = "Markdown-2.6.11";
     buildInputs = with self; [];
     doCheck = false;
     propagatedBuildInputs = with self; [];
     src = fetchurl {
-      url = "https://pypi.python.org/packages/29/82/dfe242bcfd9eec0e7bf93a80a8f8d8515a95b980c44f5c0b45606397a423/Markdown-2.6.9.tar.gz";
-      md5 = "56547d362a9abcf30955b8950b08b5e3";
+      url = "https://pypi.python.org/packages/b3/73/fc5c850f44af5889192dff783b7b0d8f3fe8d30b65c8e3f78f8f0265fecf/Markdown-2.6.11.tar.gz";
+      md5 = "a67c1b2914f7d74eeede2ebe0fdae470";
     };
     meta = {
       license = [ pkgs.lib.licenses.bsdOriginal ];
diff --git a/requirements.txt b/requirements.txt
--- a/requirements.txt
+++ b/requirements.txt
@@ -31,7 +31,7 @@ billiard==3.5.0.3
 kombu==4.1.0
 lxml==3.7.3
 Mako==1.0.7
-Markdown==2.6.9
+Markdown==2.6.11
 MarkupSafe==1.0.0
 msgpack-python==0.4.8
 MySQL-python==1.2.5