diff --git a/pkgs/applications/networking/cluster/fluxcd/default.nix b/pkgs/applications/networking/cluster/fluxcd/default.nix
index 0b5f01654c50..97fff7f9bbb3 100644
--- a/pkgs/applications/networking/cluster/fluxcd/default.nix
+++ b/pkgs/applications/networking/cluster/fluxcd/default.nix
@@ -1,8 +1,8 @@
 { lib, buildGoModule, fetchFromGitHub, fetchzip, installShellFiles, stdenv }:
 
 let
-  version = "0.38.2";
-  sha256 = "1fr3jg9j0hrnr55wh40d0lli593pid1vqnbgnw9wxqsv6677dh53";
+  version = "0.38.3";
+  sha256 = "15sx743gbmlmww7jmi56r5nlajg33xmzacyd69hmp46jjxqdckmh";
   manifestsSha256 = "1dmp7gdnwbg4jjc3dq1wp2jn3z3g6lm296b1nf24ndcfmjja58cz";
 
   manifests = fetchzip {
@@ -23,7 +23,7 @@ in buildGoModule rec {
     inherit sha256;
   };
 
-  vendorSha256 = "sha256-aPkuP6FVIkMAJi+wwNfgvxXi+PE1mMUXfxz44/R31KI=";
+  vendorSha256 = "sha256-IuOivH9K7e5vNpK44NKegzIEVHS+ihkX89++4DJC+8Q=";
 
   postUnpack = ''
     cp -r ${manifests} source/cmd/flux/manifests