diff --git a/pkgs/applications/networking/cluster/fluxcd/default.nix b/pkgs/applications/networking/cluster/fluxcd/default.nix
index 39399a7dbcf7..ef33a4b0f84a 100644
--- a/pkgs/applications/networking/cluster/fluxcd/default.nix
+++ b/pkgs/applications/networking/cluster/fluxcd/default.nix
@@ -2,16 +2,16 @@
 
 buildGoModule rec {
   pname = "fluxcd";
-  version = "0.6.3";
+  version = "0.7.3";
 
   src = fetchFromGitHub {
     owner = "fluxcd";
     repo = "flux2";
     rev = "v${version}";
-    sha256 = "08mdcnzvjfiw81vribayl58vsjb4sipsnn4x7zv4yk0vvw72i9k8";
+    sha256 = "1y586704xckhyyqmmgq4g6csnf9iqi7xb2vqv5sqyz96ik3kg9vy";
   };
 
-  vendorSha256 = "1aijdx4mln78srz6b8nghkwsliia86x9xrfzs3sz7v4h36vhdjpa";
+  vendorSha256 = "1kyj65fc2q1sc4aiy87i2wzf7kqybjf08mmmw0ajcxszcr0mcadb";
 
   nativeBuildInputs = [ installShellFiles ];
 
@@ -21,6 +21,11 @@ buildGoModule rec {
 
   buildFlagsArray = [ "-ldflags=-s -w -X main.VERSION=${version}" ];
 
+  doInstallCheck = true;
+  installCheckPhase = ''
+    $out/bin/flux --version | grep ${version} > /dev/null
+  '';
+
   postInstall = ''
     for shell in bash fish zsh; do
       $out/bin/flux completion $shell > flux.$shell