diff --git a/changelogs/fragments/588-helm-use-post-renderer-for-helmdiff.yml b/changelogs/fragments/588-helm-use-post-renderer-for-helmdiff.yml
new file mode 100644
index 00000000..a1c0f733
--- /dev/null
+++ b/changelogs/fragments/588-helm-use-post-renderer-for-helmdiff.yml
@@ -0,0 +1,3 @@
+---
+bugfixes:
+  - helm - use post_renderer when checking 'changed' status for a helm release (https://github.com/ansible-collections/kubernetes.core/pull/588).
diff --git a/plugins/modules/helm.py b/plugins/modules/helm.py
index db3aae31..87d5177b 100644
--- a/plugins/modules/helm.py
+++ b/plugins/modules/helm.py
@@ -637,6 +637,7 @@ def helmdiff_check(
     chart_version=None,
     replace=False,
     chart_repo_url=None,
+    post_renderer=False,
 ):
     """
     Use helm diff to determine if a release would change by upgrading a chart.
@@ -651,6 +652,8 @@ def helmdiff_check(
         cmd += " " + "--version=" + chart_version
     if not replace:
         cmd += " " + "--reset-values"
+    if post_renderer:
+        cmd += " --post-renderer=" + post_renderer
 
     if release_values != {}:
         fd, path = tempfile.mkstemp(suffix=".yml")
@@ -892,6 +895,7 @@ def main():
                     chart_version,
                     replace,
                     chart_repo_url,
+                    post_renderer,
                 )
                 if would_change and module._diff:
                     opt_result["diff"] = {"prepared": prepared}