diff --git a/pkgs/python-packages.nix b/pkgs/python-packages.nix
--- a/pkgs/python-packages.nix
+++ b/pkgs/python-packages.nix
@@ -1454,11 +1454,11 @@ self: super: {
     };
   };
   "pyparsing" = super.buildPythonPackage {
-    name = "pyparsing-2.4.6";
+    name = "pyparsing-2.4.7";
     doCheck = false;
     src = fetchurl {
-      url = "https://files.pythonhosted.org/packages/a2/56/0404c03c83cfcca229071d3c921d7d79ed385060bbe969fde3fd8f774ebd/pyparsing-2.4.6.tar.gz";
-      sha256 = "17wn5zlijc9m9zj26gy3f541y7smpj8rfhl51d025c2gm210b0sc";
+      url = "https://files.pythonhosted.org/packages/c1/47/dfc9c342c9842bbe0036c7f763d2d6686bcf5eb1808ba3e170afdb282210/pyparsing-2.4.7.tar.gz";
+      sha256 = "1hgc8qrbq1ymxbwfbjghv01fm3fbpjwpjwi0bcailxxzhf3yq0y2";
     };
     meta = {
       license = [ pkgs.lib.licenses.mit ];
diff --git a/requirements.txt b/requirements.txt
--- a/requirements.txt
+++ b/requirements.txt
@@ -42,7 +42,7 @@ py-bcrypt==0.4
 pycurl==7.43.0.3
 pycrypto==2.6.1
 pygments==2.4.2
-pyparsing==2.4.6
+pyparsing==2.4.7
 pyramid-debugtoolbar==4.6.1
 pyramid-mako==1.1.0
 pyramid==1.10.4