diff --git a/Gemfile.lock b/Gemfile.lock
index 3e9602a..b26684c 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,7 +1,7 @@
 PATH
   remote: .
   specs:
-    fluent-plugin-kubernetes-metrics (1.1.5)
+    fluent-plugin-kubernetes-metrics (1.1.6)
       fluentd (>= 1.9.1)
       kubeclient (~> 4.6.0)
       multi_json (~> 1.14.1)
@@ -10,29 +10,30 @@ PATH
 GEM
   remote: https://rubygems.org/
   specs:
-    addressable (2.7.0)
+    addressable (2.8.0)
       public_suffix (>= 2.0.2, < 5.0)
-    concurrent-ruby (1.1.8)
+    concurrent-ruby (1.1.9)
     cool.io (1.7.1)
     crack (0.4.5)
       rexml
-    docile (1.3.5)
+    docile (1.4.0)
     domain_name (0.5.20190701)
       unf (>= 0.0.5, < 1.0.0)
-    ffi (1.14.2)
+    ffi (1.15.3)
     ffi-compiler (1.0.1)
       ffi (>= 1.0.0)
       rake
-    fluentd (1.12.1)
+    fluentd (1.13.2)
       bundler
       cool.io (>= 1.4.5, < 2.0.0)
-      http_parser.rb (>= 0.5.1, < 0.7.0)
+      http_parser.rb (>= 0.5.1, < 0.8.0)
       msgpack (>= 1.3.1, < 2.0.0)
       serverengine (>= 2.2.2, < 3.0.0)
       sigdump (~> 0.2.2)
       strptime (>= 0.2.2, < 1.0.0)
       tzinfo (>= 1.0, < 3.0)
       tzinfo-data (~> 1.0)
+      webrick (>= 1.4.2, < 1.8.0)
       yajl-ruby (~> 1.0)
     hashdiff (1.0.1)
     http (4.4.1)
@@ -41,12 +42,12 @@ GEM
       http-form_data (~> 2.2)
       http-parser (~> 1.2.0)
     http-accept (1.7.0)
-    http-cookie (1.0.3)
+    http-cookie (1.0.4)
       domain_name (~> 0.5)
     http-form_data (2.3.0)
     http-parser (1.2.3)
       ffi-compiler (>= 1.0, < 2.0)
-    http_parser.rb (0.6.0)
+    http_parser.rb (0.7.0)
     json (2.5.1)
     kubeclient (4.6.0)
       http (>= 3.0, < 5.0)
@@ -54,22 +55,22 @@ GEM
       rest-client (~> 2.0)
     mime-types (3.3.1)
       mime-types-data (~> 3.2015)
-    mime-types-data (3.2021.0225)
+    mime-types-data (3.2021.0704)
     msgpack (1.4.2)
     multi_json (1.14.1)
     netrc (0.11.0)
     oj (3.10.18)
     power_assert (2.0.0)
     public_suffix (4.0.6)
-    rake (13.0.3)
+    rake (13.0.6)
     recursive-open-struct (1.1.3)
     rest-client (2.1.0)
       http-accept (>= 1.7.0, < 2.0)
       http-cookie (>= 1.0.2, < 2.0)
       mime-types (>= 1.16, < 4.0)
       netrc (~> 0.8)
-    rexml (3.2.4)
-    serverengine (2.2.3)
+    rexml (3.2.5)
+    serverengine (2.2.4)
       sigdump (~> 0.2.2)
     sigdump (0.2.4)
     simplecov (0.16.1)
@@ -91,6 +92,7 @@ GEM
       addressable (>= 2.3.6)
       crack (>= 0.3.2)
       hashdiff
+    webrick (1.7.0)
     yajl-ruby (1.4.1)
 
 PLATFORMS
diff --git a/Makefile b/Makefile
index 97cf261..46a55e3 100644
--- a/Makefile
+++ b/Makefile
@@ -1,5 +1,4 @@
 VERSION := $(shell sh -c 'cat VERSION')
-NODEJS_VERSION := 14.15.1
 
 clean_pkg: 
 	@rm -rf pkg/* docker/*.gem 
@@ -17,7 +16,7 @@ docker: build install-deps
 	@cp pkg/fluent-plugin-*.gem docker
 	@mkdir -p docker/licenses
 	@cp -rp LICENSE docker/licenses/
-	@docker build --no-cache --pull --build-arg VERSION=$(VERSION) --build-arg NODEJS_VERSION=$(NODEJS_VERSION) -t splunk/k8s-metrics:$(VERSION) ./docker
+	@docker build --no-cache --pull --build-arg VERSION=$(VERSION) -t splunk/k8s-metrics:$(VERSION) ./docker
 
 unit-test:
 	@bundle exec rake test
diff --git a/VERSION b/VERSION
index 314c3d7..ab67981 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-1.1.5
\ No newline at end of file
+1.1.6
\ No newline at end of file
diff --git a/docker/Dockerfile b/docker/Dockerfile
index cd43c76..8016370 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -1,7 +1,6 @@
 FROM registry.access.redhat.com/ubi8/ruby-27
 
 ARG VERSION
-ARG NODEJS_VERSION
 
 LABEL name="Splunk Connect for Kubernetes Metrics container" \
       maintainer="DataEdge@splunk.com" \
@@ -21,9 +20,7 @@ COPY licenses /licenses
 
 COPY Gemfile* ./
 RUN yum update -y \
-   && npm install -g n \
-   && yum remove -y nodejs \
-   && n ${NODEJS_VERSION} \
+   && yum remove -y nodejs npm \
    && gem install bundler \
    && gem unpack /tmp/*.gem --target gem \
    && bundle install 
diff --git a/docker/Gemfile b/docker/Gemfile
index ad14bc0..ba730ee 100644
--- a/docker/Gemfile
+++ b/docker/Gemfile
@@ -4,7 +4,7 @@ source 'https://rubygems.org'
 # for kubernetes log collection agent
 # List all required gems here and install via bundler to resolve dependencies
 gem "fluentd", "=1.11.5"
-gem "fluent-plugin-prometheus", "=1.8.5"
+gem "fluent-plugin-prometheus", ">=2.0"
 gem "fluent-plugin-record-modifier", "=2.1.0"
 gem "fluent-plugin-kubernetes_metadata_filter", "=2.5.3"
 gem "fluent-plugin-jq", "=0.5.1"
diff --git a/docker/Gemfile.lock b/docker/Gemfile.lock
index 93bcc0b..e41745c 100644
--- a/docker/Gemfile.lock
+++ b/docker/Gemfile.lock
@@ -1,7 +1,7 @@
 PATH
   remote: gem
   specs:
-    fluent-plugin-kubernetes-metrics (1.1.5)
+    fluent-plugin-kubernetes-metrics (1.1.6)
       fluentd (>= 1.9.1)
       kubeclient (~> 4.6.0)
       multi_json (~> 1.14.1)
@@ -10,26 +10,26 @@ PATH
 GEM
   remote: https://rubygems.org/
   specs:
-    activemodel (6.1.3)
-      activesupport (= 6.1.3)
-    activesupport (6.1.3)
+    activemodel (6.1.4)
+      activesupport (= 6.1.4)
+    activesupport (6.1.4)
       concurrent-ruby (~> 1.0, >= 1.0.2)
       i18n (>= 1.6, < 2)
       minitest (>= 5.1)
       tzinfo (~> 2.0)
       zeitwerk (~> 2.3)
-    addressable (2.7.0)
+    addressable (2.8.0)
       public_suffix (>= 2.0.2, < 5.0)
     aes_key_wrap (1.1.0)
     attr_required (1.0.1)
     bigdecimal (3.0.0)
-    bindata (2.4.8)
-    concurrent-ruby (1.1.8)
-    connection_pool (2.2.3)
+    bindata (2.4.10)
+    concurrent-ruby (1.1.9)
+    connection_pool (2.2.5)
     cool.io (1.7.1)
     domain_name (0.5.20190701)
       unf (>= 0.0.5, < 1.0.0)
-    ffi (1.14.2)
+    ffi (1.15.3)
     ffi-compiler (1.0.1)
       ffi (>= 1.0.0)
       rake
@@ -40,17 +40,17 @@ GEM
       fluentd (>= 0.14.0, < 1.12)
       kubeclient (< 5)
       lru_redux
-    fluent-plugin-prometheus (1.8.5)
+    fluent-plugin-prometheus (2.0.1)
       fluentd (>= 1.9.1, < 2)
-      prometheus-client (< 0.10)
+      prometheus-client (>= 2.1.0)
     fluent-plugin-record-modifier (2.1.0)
       fluentd (>= 1.0, < 2)
-    fluent-plugin-splunk-hec (1.2.5)
+    fluent-plugin-splunk-hec (1.2.7)
       fluentd (>= 1.4)
       multi_json (~> 1.13)
       net-http-persistent (~> 3.1)
       openid_connect (~> 1.1.8)
-      prometheus-client (< 0.10.0)
+      prometheus-client (>= 2.1.0)
     fluentd (1.11.5)
       cool.io (>= 1.4.5, < 2.0.0)
       http_parser.rb (>= 0.5.1, < 0.7.0)
@@ -67,14 +67,14 @@ GEM
       http-form_data (~> 2.2)
       http-parser (~> 1.2.0)
     http-accept (1.7.0)
-    http-cookie (1.0.3)
+    http-cookie (1.0.4)
       domain_name (~> 0.5)
     http-form_data (2.3.0)
     http-parser (1.2.3)
       ffi-compiler (>= 1.0, < 2.0)
     http_parser.rb (0.5.3)
     httpclient (2.8.3)
-    i18n (1.8.9)
+    i18n (1.8.10)
       concurrent-ruby (~> 1.0)
     json-jwt (1.13.0)
       activesupport (>= 4.2)
@@ -89,8 +89,8 @@ GEM
       mini_mime (>= 0.1.1)
     mime-types (3.3.1)
       mime-types-data (~> 3.2015)
-    mime-types-data (3.2021.0225)
-    mini_mime (1.0.2)
+    mime-types-data (3.2021.0704)
+    mini_mime (1.1.0)
     minitest (5.14.4)
     msgpack (1.4.2)
     multi_json (1.14.1)
@@ -108,25 +108,23 @@ GEM
       validate_email
       validate_url
       webfinger (>= 1.0.1)
-    prometheus-client (0.9.0)
-      quantile (~> 0.2.1)
+    prometheus-client (2.1.0)
     public_suffix (4.0.6)
-    quantile (0.2.1)
     rack (2.2.3)
-    rack-oauth2 (1.16.0)
+    rack-oauth2 (1.17.0)
       activesupport
       attr_required
       httpclient
       json-jwt (>= 1.11.0)
       rack (>= 2.1.0)
-    rake (13.0.3)
+    rake (13.0.6)
     recursive-open-struct (1.1.3)
     rest-client (2.1.0)
       http-accept (>= 1.7.0, < 2.0)
       http-cookie (>= 1.0.2, < 2.0)
       mime-types (>= 1.16, < 4.0)
       netrc (~> 0.8)
-    serverengine (2.2.3)
+    serverengine (2.2.4)
       sigdump (~> 0.2.2)
     sigdump (0.2.4)
     strptime (0.2.5)
@@ -161,7 +159,7 @@ DEPENDENCIES
   fluent-plugin-jq (= 0.5.1)
   fluent-plugin-kubernetes-metrics!
   fluent-plugin-kubernetes_metadata_filter (= 2.5.3)
-  fluent-plugin-prometheus (= 1.8.5)
+  fluent-plugin-prometheus (>= 2.0)
   fluent-plugin-record-modifier (= 2.1.0)
   fluent-plugin-splunk-hec (>= 1.2.5)
   fluentd (= 1.11.5)
diff --git a/docker/build.sh b/docker/build.sh
index fdf1ca9..a0601e1 100755
--- a/docker/build.sh
+++ b/docker/build.sh
@@ -1,7 +1,6 @@
 #!/usr/bin/env bash
 set -e
 TAG=$1
-NODEJS_VERSION=14.15.1
 
 # Install dependecies
 gem install bundler
@@ -17,4 +16,4 @@ VERSION=`cat VERSION`
 echo "Copying licenses to be included in the docker image..."
 mkdir -p docker/licenses
 cp -rp LICENSE docker/licenses/
-docker build --no-cache --pull --build-arg VERSION=$VERSION --build-arg NODEJS_VERSION=$NODEJS_VERSION --no-cache -t splunk/k8s-metrics:$TAG ./docker
+docker build --no-cache --pull --build-arg VERSION=$VERSION --no-cache -t splunk/k8s-metrics:$TAG ./docker