diff --git a/pkgs/development/python-modules/httpx/default.nix b/pkgs/development/python-modules/httpx/default.nix
index 543308a3fdc1..97b6affd3abb 100644
--- a/pkgs/development/python-modules/httpx/default.nix
+++ b/pkgs/development/python-modules/httpx/default.nix
@@ -20,14 +20,14 @@
 
 buildPythonPackage rec {
   pname = "httpx";
-  version = "0.21.1";
+  version = "0.21.3";
   disabled = pythonOlder "3.6";
 
   src = fetchFromGitHub {
     owner = "encode";
     repo = pname;
     rev = version;
-    sha256 = "sha256-ayhLP+1hPWAx2ds227CKp5cebVkD5B2Z59L+3dzdINc=";
+    sha256 = "01069b0kj6vnb26xazlz06rj4yncy5nkq76pajvzx0pmpjkniiz9";
   };
 
   propagatedBuildInputs = [