diff --git a/group_vars/localhost/debian.config.yml b/group_vars/localhost/debian.config.yml
index 8e5ae0d..f90765c 100644
--- a/group_vars/localhost/debian.config.yml
+++ b/group_vars/localhost/debian.config.yml
@@ -27,6 +27,7 @@ apt_packages:
 - google-chrome-stable
 - google-cloud-cli
 - graphviz
+- helm
 - htop
 - hugo
 - hyphen-de
@@ -156,3 +157,8 @@ apt_repositories:
   - url: https://dl-ssl.google.com/linux/linux_signing_key.pub
   repositories: http://dl.google.com/linux/chrome/deb/
 
+- name: helm
+  sign_keys:
+  - url: https://packages.buildkite.com/helm-linux/helm-debian/gpgkey
+  repositories: https://packages.buildkite.com/helm-linux/helm-debian/any
+  suites: "any"
diff --git a/group_vars/localhost/macos.config.yml b/group_vars/localhost/macos.config.yml
index 6f03c23..1f22c61 100644
--- a/group_vars/localhost/macos.config.yml
+++ b/group_vars/localhost/macos.config.yml
@@ -11,6 +11,7 @@ brew_packages:
 - git-delta
 - gcloud-cli
 - graphviz
+- helm
 - htop
 - hugo
 - imagemagick
diff --git a/main.yml b/main.yml
index f8bcafc..75309be 100644
--- a/main.yml
+++ b/main.yml
@@ -24,4 +24,7 @@
       url: "{{ fly_url }}"
       dest: "{{ lookup('env', 'HOME') }}/.local/bin/fly"
       mode: "u=rwx,g=rx,o=rx"
+  - name: Ensure helm diff
+    tags: [packages]
+    shell: helm plugin install https://github.com/databus23/helm-diff