diff --git a/pkgs/applications/networking/cluster/helm/plugins/default.nix b/pkgs/applications/networking/cluster/helm/plugins/default.nix
index 16fceff4ee1a..1a6aa12a91e5 100644
--- a/pkgs/applications/networking/cluster/helm/plugins/default.nix
+++ b/pkgs/applications/networking/cluster/helm/plugins/default.nix
@@ -12,4 +12,6 @@
 
   helm-secrets = callPackage ./helm-secrets.nix { };
 
+  helm-unittest = callPackage ./helm-unittest.nix { };
+
 }
diff --git a/pkgs/applications/networking/cluster/helm/plugins/helm-unittest.nix b/pkgs/applications/networking/cluster/helm/plugins/helm-unittest.nix
new file mode 100644
index 000000000000..9b88d99e44ac
--- /dev/null
+++ b/pkgs/applications/networking/cluster/helm/plugins/helm-unittest.nix
@@ -0,0 +1,34 @@
+{ buildGoModule, fetchFromGitHub, lib }:
+
+buildGoModule rec {
+  pname = "helm-unittest";
+  version = "0.3.3";
+
+  src = fetchFromGitHub {
+    owner = pname;
+    repo = pname;
+    rev = "v${version}";
+    hash = "sha256-11rgARUfTbr8FkmR2lI4uoIqzi9cRuVPalUOsxsnO3E=";
+  };
+
+  vendorHash = "sha256-E9HSP8c/rGG+PLbnT8V5GflpnFItCeXyeLGiqDj4tRI=";
+
+  # NOTE: Remove the install and upgrade hooks.
+  postPatch = ''
+    sed -i '/^hooks:/,+2 d' plugin.yaml
+  '';
+
+  postInstall = ''
+    install -dm755 $out/${pname}
+    mv $out/bin/helm-unittest $out/${pname}/untt
+    rmdir $out/bin
+    install -m644 -Dt $out/${pname} plugin.yaml
+  '';
+
+  meta = with lib; {
+    description = "BDD styled unit test framework for Kubernetes Helm charts as a Helm plugin";
+    homepage = "https://github.com/helm-unittest/helm-unittest";
+    license = licenses.mit;
+    maintainers = with maintainers; [ yurrriq ];
+  };
+}