diff --git a/pkgs/development/python-modules/pyaprilaire/default.nix b/pkgs/development/python-modules/pyaprilaire/default.nix
index 9d49fa80be26..40f41216094f 100644
--- a/pkgs/development/python-modules/pyaprilaire/default.nix
+++ b/pkgs/development/python-modules/pyaprilaire/default.nix
@@ -10,14 +10,14 @@
 
 buildPythonPackage rec {
   pname = "pyaprilaire";
-  version = "0.9.0";
+  version = "0.9.1";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "chamberlain2007";
     repo = "pyaprilaire";
     tag = version;
-    hash = "sha256-o14G0sUEvNbhKtwdrCDS0rmNokEMaa+756Ac6pSKiiU=";
+    hash = "sha256-5f/vo8aDQ0HVKXW/yiNYyH3zFnwvP5kv0ZEglvB5quo=";
   };
 
   build-system = [ setuptools ];