diff --git a/Dockerfile b/Dockerfile
index 32f09239..9899ba05 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -61,6 +61,7 @@ RUN apk add --update --no-cache \
     go \
     icu-libs \
     jq \
+    libc-dev libxml2-dev \
     libc-dev libxml2-utils \
     make \
     musl-dev \
@@ -70,11 +71,12 @@ RUN apk add --update --no-cache \
     php7 php7-phar php7-json php7-mbstring php-xmlwriter \
     php7-tokenizer php7-ctype php7-curl php7-dom php7-simplexml \
     py3-setuptools \
+    R \
     readline-dev \
     ruby ruby-dev ruby-bundler ruby-rdoc \
-    gnupg \
-    R \
-    libc-dev libxml2-dev 
+    gnupg 
+    
+    
 
 ########################################
 # Copy dependencies files to container #
diff --git a/lib/worker.sh b/lib/worker.sh
index ffb8addf..52490f44 100755
--- a/lib/worker.sh
+++ b/lib/worker.sh
@@ -637,9 +637,7 @@ function RunTestCases() {
   TestCodebase "PROTOBUF" "protolint" "protolint lint --config_path ${PROTOBUF_LINTER_RULES}" ".*\.\(proto\)\$" "protobuf"
   TestCodebase "PYTHON_PYLINT" "pylint" "pylint --rcfile ${PYTHON_PYLINT_LINTER_RULES}" ".*\.\(py\)\$" "python"
   TestCodebase "PYTHON_FLAKE8" "flake8" "flake8 --config ${PYTHON_FLAKE8_LINTER_RULES}" ".*\.\(py\)\$" "python"
-  # TestCodebase "Language" "Linter" "Linter-command" "Regex to find files" "Test Folder"
-TestCodebase "R" "lintr" "lintr::lint()" ".*\.\(r\|R\|Rmd\|rmd\)\$" "r"
-TestCodebase "R" "lintr" "lintr::lint()" ".*\.\(r\|rmd\)\$" "r"
+  TestCodebase "R" "lintr" "lintr::lint()" ".*\.\(r\|rmd\)\$" "r"
   TestCodebase "RAKU" "raku" "raku -c" ".*\.\(raku\|rakumod\|rakutest\|pm6\|pl6\|p6\)\$" "raku"
   TestCodebase "RUBY" "rubocop" "rubocop -c ${RUBY_LINTER_RULES}" ".*\.\(rb\)\$" "ruby"
   TestCodebase "STATES" "asl-validator" "asl-validator --json-path" ".*\.\(json\)\$" "states"