diff --git a/pkgs/development/python-modules/pycurl/default.nix b/pkgs/development/python-modules/pycurl/default.nix
index c9fd2a8d43f2..c7c32e9e20d3 100644
--- a/pkgs/development/python-modules/pycurl/default.nix
+++ b/pkgs/development/python-modules/pycurl/default.nix
@@ -4,6 +4,7 @@
   buildPythonPackage,
   isPyPy,
   fetchFromGitHub,
+  fetchpatch2,
   curl,
   openssl,
   bottle,
@@ -29,6 +30,14 @@ buildPythonPackage rec {
     hash = "sha256-F40bJ7TYFK2dVkDJGGxl7XV46fKmjwvUYYulcwGL6hk=";
   };
 
+  patches = [
+    (fetchpatch2 {
+      name = "pycurl-curl-8.21.0-ws-support.patch";
+      url = "https://github.com/pycurl/pycurl/commit/c78fd8aba82e2f8037275063138eaa7706c111af.diff?full_index=1";
+      hash = "sha256-EBXgGiaMtXTsgJOOrzzZFJ7Q/ofAlc4zuipoEpfdFqU=";
+    })
+  ];
+
   preConfigure = ''
     substituteInPlace setup.py \
       --replace-fail '--static-libs' '--libs'