diff --git a/CI/circle_parallel.sh b/CI/circle_parallel.sh
index 19ba36cee69f..699aacc7c267 100755
--- a/CI/circle_parallel.sh
+++ b/CI/circle_parallel.sh
@@ -43,6 +43,22 @@ elif [ "$NODE_INDEX" = "3" ]; then
 else
   echo "Running node $NODE_INDEX ..."
   java -version
-  ./mvnw clean install
+  #./mvnw clean install
+
+  sudo apt-get update
+  sudo apt-get install -y apt-transport-https software-properties-common
+  # Add CRAN repository for R 4.x
+  #sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys E298A3A825C0D65DFD57CBB651716619E084DAB9
+  sudo add-apt-repository 'deb https://cloud.r-project.org jammy-cran40/'
+  sudo apt-get update
+  sudo apt-get install -y r-base
+
+  #sudo apt install r-base r-base-dev -y
+  sudo apt-get install r-base-core libssl-dev libcurl4-openssl-dev -y # for httr
+
+  R version
+
+  (cd samples/client/petstore/R && mvn integration-test)
+  #(cd samples/client/petstore/R-httr2 && mvn integration-test)
 
 fi