diff --git a/devops-service/Gemfile b/devops-service/Gemfile
index e9b6b8e..a6af86e 100644
--- a/devops-service/Gemfile
+++ b/devops-service/Gemfile
@@ -9,7 +9,7 @@ gem "sinatra-contrib"#, "1.4.1"
 gem "sinatra-websocket"#, "~>0.3.0"
 gem "fog" #, "~>1.30"
 gem "mixlib-shellout"
-gem "chef" , ">=17"
+gem "chef" #, ">=12"
 gem "mongo" #, '~> 2.1'
 gem "bson_ext"
 gem "multi_json" #, "1.7.8"
diff --git a/docker/Dockerfile.fluke b/docker/Dockerfile.fluke
index 0b4f0ce..e154675 100644
--- a/docker/Dockerfile.fluke
+++ b/docker/Dockerfile.fluke
@@ -1,5 +1,4 @@
-FROM gendosu/ruby:2.3.7-alpine
-
+FROM gendosu/ruby:2.4-alpine
 
 LABEL maintainer "Tim Lianov lianovt@gmail.com"
 
@@ -45,11 +44,12 @@ RUN set -ex \
 		libcurl \
 		curl-dev
 
-ENV RUBYGEMS_VERSION 2.6.10
-RUN gem update --system "$RUBYGEMS_VERSION"
+#ENV RUBYGEMS_VERSION 2.6.10
+RUN gem update
 
-ENV BUNDLER_VERSION 2.2.16
-RUN gem install bundler --version "$BUNDLER_VERSION"
+#ENV BUNDLER_VERSION 2.2.16
+RUN gem install bundler
+#--version "$BUNDLER_VERSION"
 
 ADD /devops-service/ /app/
 WORKDIR /app