diff --git a/pkgs/applications/networking/flexget/default.nix b/pkgs/applications/networking/flexget/default.nix
index 8421a077d00..d74378378b9 100644
--- a/pkgs/applications/networking/flexget/default.nix
+++ b/pkgs/applications/networking/flexget/default.nix
@@ -5,14 +5,14 @@
 
 python3Packages.buildPythonApplication rec {
   pname = "flexget";
-  version = "3.3.8";
+  version = "3.3.9";
 
   # Fetch from GitHub in order to use `requirements.in`
   src = fetchFromGitHub {
     owner = "flexget";
     repo = "flexget";
-    rev = "v${version}";
-    hash = "sha256-ZGs5ixNcrkoZ4TRVuIUeNF1FNJwKpYElNv6oPhGiEmU=";
+    rev = "refs/tags/v${version}";
+    hash = "sha256-29V22B1Nkgj/qc6uyAOSOZ1rrjjtf75I9Eycu8I5ysQ=";
   };
 
   postPatch = ''