diff --git a/Dockerfile b/Dockerfile
index d7b3ae3..fa217fe 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -8,7 +8,7 @@ LABEL maintainer="Robert Kaussow <mail@thegeeklab.de>" \
 
 ARG BUILD_VERSION
 # renovate: datasource=npm depName=markdownlint-cli
-ENV MARKDOWNLINT_VERSION="${BUILD_VERSION:-0.25.0}"
+ENV MARKDOWNLINT_VERSION="${BUILD_VERSION:-0.26.0}"
 
 ENV FORCE_COLOR=true \
     NPM_CONFIG_LOGLEVEL=error