diff --git a/dev/create-release/spark-rm/Dockerfile b/dev/create-release/spark-rm/Dockerfile
index 540dc90f42817..44d602415b262 100644
--- a/dev/create-release/spark-rm/Dockerfile
+++ b/dev/create-release/spark-rm/Dockerfile
@@ -21,7 +21,7 @@
 # * Java 8
 # * Ivy
 # * Python (2.7.15/3.6.7)
-# * R-base/R-base-dev (3.6.1)
+# * R-base/R-base-dev (4.0.2)
 # * Ruby 2.3 build utilities
 
 FROM ubuntu:18.04
@@ -43,7 +43,7 @@ ARG GEM_PKGS="jekyll:4.0.0 jekyll-redirect-from:0.16.0 rouge:3.15.0"
 # This is all in a single "RUN" command so that if anything changes, "apt update" is run to fetch
 # the most current package versions (instead of potentially using old versions cached by docker).
 RUN apt-get clean && apt-get update && $APT_INSTALL gnupg ca-certificates && \
-  echo 'deb https://cloud.r-project.org/bin/linux/ubuntu bionic-cran35/' >> /etc/apt/sources.list && \
+  echo 'deb https://cloud.r-project.org/bin/linux/ubuntu bionic-cran40/' >> /etc/apt/sources.list && \
   gpg --keyserver keyserver.ubuntu.com --recv-key E298A3A825C0D65DFD57CBB651716619E084DAB9 && \
   gpg -a --export E084DAB9 | apt-key add - && \
   apt-get clean && \