diff --git a/kubernetes/build.gradle b/kubernetes/build.gradle
index ba7f0b54ce..1cc7232eaf 100644
--- a/kubernetes/build.gradle
+++ b/kubernetes/build.gradle
@@ -32,12 +32,12 @@ task createExternalBackendDockerfile(type: Dockerfile) {
   }
   copyFile("sparkling-water-assembly-extensions_${scalaBaseVersion}-${version}-all.jar", "/opt/h2oai/h2o-3/")
   defaultCommand(
-    "java",
-    "-cp",
-    "/opt/h2oai/h2o-3/sparkling-water-assembly-extensions_${scalaBaseVersion}-${version}-all.jar:/opt/h2oai/h2o-3/h2o.jar",
-    "-XX:+UseContainerSupport",
-    "-XX:MaxRAMPercentage=50",
-    "water.H2OApp")
+          "java",
+          "-cp",
+          "/opt/h2oai/h2o-3/sparkling-water-assembly-extensions_${scalaBaseVersion}-${version}-all.jar:/opt/h2oai/h2o-3/h2o.jar",
+          "-XX:+UseContainerSupport",
+          "-XX:MaxRAMPercentage=50",
+          "water.H2OApp")
 }
 
 task createScalaDockerfile(type: Dockerfile) {
@@ -60,17 +60,12 @@ task createRDockerfile(type: Dockerfile) {
   } else {
     runCommand "apk add libc-dev linux-headers g++ libxml2-dev"
   }
-  runCommand """\\
-                R -e 'install.packages("xml2", repos = "http://cran.us.r-project.org")' && \\
-                R -e 'install.packages("openssl", repos = "http://cran.us.r-project.org")' && \\
-                R -e 'install.packages("httr", repos = "http://cran.us.r-project.org")' && \\
-                R -e 'install.packages("bitops", repos = "http://cran.us.r-project.org")' && \\
-                R -e 'install.packages("RCurl", repos = "http://cran.us.r-project.org")' && \\
-                R -e 'install.packages("jsonlite", repos = "http://cran.us.r-project.org")' && \\
-                R -e 'install.packages("testthat", repos = "http://cran.us.r-project.org")' && \\
-                R -e 'install.packages("dbplyr", repos = "http://cran.us.r-project.org")' && \\
-                R -e 'install.packages("sparklyr", repos = "http://cran.us.r-project.org")'
-                """
+  runCommand """
+                R -e 'install.packages(c(
+                "xml2","openssl", "httr", "bitops", "RCurl", "jsonlite", "testthat",
+                "lifecycle", "pillar", "vctrs", "tidyselect", "tidyr", "tibble", "purrr", "dplyr", "dbplyr", "sparklyr"),
+                repos = "http://cran.us.r-project.org")'
+                """.stripIndent().replace("\n", "")
   copyFile("h2o.tar.gz", "/opt/spark/R/lib/h2o.tar.gz")
   runCommand "cd /opt/spark/R/lib && R CMD INSTALL h2o.tar.gz"
   copyFile("rsparkling_${version}.tar.gz", "/opt/spark/R/lib/rsparkling_${version}.tar.gz")