diff --git a/.gitignore b/.gitignore
index 7bdc613..b3fbd2e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,5 @@
 TODOS.md
-__snapshot__/
\ No newline at end of file
+__snapshot__/
+
+# ignore downloaded dependencies (typically .tar.gz)
+charts/icinga-stack/charts/ 
diff --git a/charts/icinga-stack/Chart.lock b/charts/icinga-stack/Chart.lock
new file mode 100644
index 0000000..1fddbfb
--- /dev/null
+++ b/charts/icinga-stack/Chart.lock
@@ -0,0 +1,6 @@
+dependencies:
+- name: common
+  repository: oci://registry-1.docker.io/bitnamicharts
+  version: 2.19.2
+digest: sha256:e8815a21c72dd685b5573d0baeeeff733db3bc6d77b30c95a78ff316188e8a65
+generated: "2024-05-06T15:03:37.600822+02:00"