diff --git a/pkgs/applications/networking/flexget/default.nix b/pkgs/applications/networking/flexget/default.nix
index 2d29a409d37..a509d9be329 100644
--- a/pkgs/applications/networking/flexget/default.nix
+++ b/pkgs/applications/networking/flexget/default.nix
@@ -2,11 +2,11 @@
 
 python3Packages.buildPythonApplication rec {
   pname = "FlexGet";
-  version = "3.1.18";
+  version = "3.1.21";
 
   src = python3Packages.fetchPypi {
     inherit pname version;
-    sha256 = "34be4ac61dbb5699cfbc9db8bf4f4be15a63164d9006d8ac7c488278d00baa62";
+    sha256 = "ea2c9225bbf565215fc97eed97e718f426b4b7b3c8628bbd8edcc96e7bfe7e4e";
   };
 
   postPatch = ''