diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 77ef33aa3f3..f687c6c5385 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -1812,11 +1812,11 @@ in modules // {
   });
 
   beautifulsoup4 = buildPythonPackage (rec {
-    name = "beautifulsoup4-4.4.1";
+    name = "beautifulsoup4-4.5.1";
 
     src = pkgs.fetchurl {
       url = "mirror://pypi/b/beautifulsoup4/${name}.tar.gz";
-      sha256 = "1d36lc4pfkvl74fmzdib2nqnvknm0jddgf2n9yd7im150qyh3m47";
+      sha256 = "1qgmhw65ncsgccjhslgkkszif47q6gvxwqv4mim17agxd81p951w";
     };
 
     buildInputs = [ self.nose ];