diff --git a/Rakefile b/Rakefile
index 444589c..ebf4e0b 100644
--- a/Rakefile
+++ b/Rakefile
@@ -22,7 +22,7 @@ namespace :solargraph do
 end
 
 # renovate: datasource=github-tags depName=hadolint/hadolint
-hadolint_version = 'v2.8.0'
+hadolint_version = 'v2.9.1'
 
 # renovate: datasource=github-tags depName=aquasecurity/trivy
 trivy_version = 'v0.24.2'