diff --git a/pkgs/development/python-modules/s3fs/default.nix b/pkgs/development/python-modules/s3fs/default.nix
index 882f9e90e3f2..645a0b3566f9 100644
--- a/pkgs/development/python-modules/s3fs/default.nix
+++ b/pkgs/development/python-modules/s3fs/default.nix
@@ -8,11 +8,11 @@
 
 buildPythonPackage rec {
   pname = "s3fs";
-  version = "2021.7.0";
+  version = "2021.8.1";
 
   src = fetchPypi {
     inherit pname version;
-    hash = "sha256-KTKU7I7QhgVhfbRA46UCKaQT3Bbc8yyUj66MvZsCrpY=";
+    sha256 = "0zwy2fr95s5wzrr2iwbayjh9xh421p6wf0m75szl7rw930v1kb2y";
   };
 
   buildInputs = [