diff --git a/pkgs/development/python-modules/aioflo/default.nix b/pkgs/development/python-modules/aioflo/default.nix
index 8fe61282ab86..d780f4963595 100644
--- a/pkgs/development/python-modules/aioflo/default.nix
+++ b/pkgs/development/python-modules/aioflo/default.nix
@@ -12,14 +12,14 @@
 
 buildPythonPackage rec {
   pname = "aioflo";
-  version = "0.4.3";
+  version = "2021.10.0";
   format = "pyproject";
 
   src = fetchFromGitHub {
     owner = "bachya";
     repo = pname;
     rev = version;
-    sha256 = "sha256-Dap3yjFIS+k/LLNg+vmYmiFQCOEPNp27p0GCMpn/edA=";
+    sha256 = "sha256-BunTgK8IS9uE8y/LMk7624kunouNAWNqe3Xm2DjQ1pY=";
   };
 
   nativeBuildInputs = [ poetry-core ];