1 files changed, 3 insertions, 3 deletions
diff --git a/pkgs/tools/networking/flannel/default.nix b/pkgs/tools/networking/flannel/default.nix
index 873afdea2e894..69f7a6045b1b0 100644
--- a/pkgs/tools/networking/flannel/default.nix
+++ b/pkgs/tools/networking/flannel/default.nix
@@ -2,16 +2,16 @@
 
 buildGoModule rec {
   pname = "flannel";
-  version = "0.20.2";
+  version = "0.21.4";
   rev = "v${version}";
 
-  vendorSha256 = null;
+  vendorHash = "sha256-EsHenfuqgNYTpkiGBhzUL8I7stukUgPvYov9rDs6Umo=";
 
   src = fetchFromGitHub {
     inherit rev;
     owner = "flannel-io";
     repo = "flannel";
-    sha256 = "sha256-kuYW73orgtJsz+PC9Cr7XAtfFxiUSi42Sn6iMbwX0HA=";
+    sha256 = "sha256-aJiPtGPzgkeeRcqf9oGJhoEucINeVcaBtInxonhgqYk=";
   };
 
   ldflags = [ "-X github.com/flannel-io/flannel/version.Version=${rev}" ];