diff --git a/argocd-helmfile-plugin/variant.mod b/argocd-helmfile-plugin/variant.mod
index f0961b758..a158dca6b 100644
--- a/argocd-helmfile-plugin/variant.mod
+++ b/argocd-helmfile-plugin/variant.mod
@@ -16,9 +16,9 @@ dependencies:
     releasesFrom:
       githubReleases:
         source: helmfile/helmfile
-    version: "1.1.5" # helmfileV1以降のため、一旦versionを固定する
+    version: "> 0.1"
   helm:
     releasesFrom:
       githubReleases:
         source: helm/helm
-    version: "3.21.3" # helmfileV1以降のため、一旦versionを固定する
+    version: "~ 3" # stay on 3.x; moving to v4 is a separate decision