diff --git a/Dockerfile b/Dockerfile
index 7246a1e..de47f10 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -8,7 +8,7 @@ RUN apk add --no-cache \
   git \
   && rm -rf /var/cache/apk/*
 
-COPY repolint.json /repolinter/
+COPY repolint.yml /repolinter/
 
 COPY entrypoint.sh /entrypoint.sh
 
diff --git a/entrypoint.sh b/entrypoint.sh
index 1457eb6..13645bf 100755
--- a/entrypoint.sh
+++ b/entrypoint.sh
@@ -8,9 +8,13 @@ npm install -g todogroup/repolinter
 
 if [ -z "$CUSTOM_REPOLINT_FILE" ]; then
   echo "[INFO] Insert default configuration"
-  cp /repolinter/repolint.json .
+  cp /repolinter/repolint.yml .
+  REPOLINT_FILE=repolint.yml
+else
+  echo "[INFO] Insert CUSTOM configuration"
+  REPOLINT_FILE=$CUSTOM_REPOLINT_FILE
 fi
 
 echo "[INFO] Executing:"
 echo "[INFO] repolinter $*"
-sh -c "repolinter $*"
+sh -c "repolinter --rulesetFile $REPOLINT_FILE $*"