diff --git a/script/docs-verify-docker-image/Dockerfile b/script/docs-verify-docker-image/Dockerfile
index 5e4dba6a8..dcf387462 100644
--- a/script/docs-verify-docker-image/Dockerfile
+++ b/script/docs-verify-docker-image/Dockerfile
@@ -1,15 +1,16 @@
-FROM alpine:3.7
+FROM alpine:3.8
 
 RUN apk --no-cache --no-progress add \
     ca-certificates \
     curl \
     findutils \
     ruby-bigdecimal \
+    ruby-etc \
     ruby-ffi \
     ruby-json \
-    ruby-nokogiri \
+    ruby-nokogiri=1.8.3-r0 \
     tini \
-  && gem install --no-document html-proofer
+  && gem install --no-document html-proofer -v 3.9.3
 
 COPY ./validate.sh /validate.sh