diff --git a/pkgs/development/python-modules/fireflyalgorithm/default.nix b/pkgs/development/python-modules/fireflyalgorithm/default.nix
index 9185b5a69686..96c7e0674ba6 100644
--- a/pkgs/development/python-modules/fireflyalgorithm/default.nix
+++ b/pkgs/development/python-modules/fireflyalgorithm/default.nix
@@ -10,7 +10,7 @@
 
 buildPythonPackage rec {
   pname = "fireflyalgorithm";
-  version = "0.4.4";
+  version = "0.4.5";
   pyproject = true;
 
   disabled = pythonOlder "3.9";
@@ -19,7 +19,7 @@ buildPythonPackage rec {
     owner = "firefly-cpp";
     repo = "FireflyAlgorithm";
     rev = "refs/tags/${version}";
-    hash = "sha256-xsTgSHBtN4gGw+9YvprcLubnCXSNRdn4abcz391cMEE=";
+    hash = "sha256-dJnjeJN9NI8G/haYeOiMtAl56cExqMk0iTWpaybl4nE=";
   };
 
   nativeBuildInputs = [ poetry-core ];