diff --git a/Dockerfile b/Dockerfile
index 3511a01..cccecc2 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,14 +1,6 @@
 ARG NODE_VERSION
 FROM node:${NODE_VERSION}-alpine
 
-# use an older alpine registry for >=10.19
-# because otherwise requiring node-rdkafka breaks
-# linux amd64 (like CI)
-RUN if [ -z "${NODE_VERSION%%10*}" ]; then \
-    sed -i -e 's/v3.11/v3.9/g' /etc/apk/repositories \
-    && apk upgrade; \
-    fi
-
 RUN apk --no-cache add \
     bash \
     curl \