diff --git a/rstudio/c9s-python-3.11/Dockerfile.cpu b/rstudio/c9s-python-3.11/Dockerfile.cpu
index da40bbf64..11cc1928e 100644
--- a/rstudio/c9s-python-3.11/Dockerfile.cpu
+++ b/rstudio/c9s-python-3.11/Dockerfile.cpu
@@ -47,6 +47,7 @@ LABEL name="odh-notebook-rstudio-server-c9s-python-3.11" \
 USER 0
 
 ENV R_VERSION=4.4.3
+ENV MAKEFLAGS="-j2"
 
 # Install R
 RUN yum install -y yum-utils && \
diff --git a/rstudio/c9s-python-3.11/Dockerfile.cuda b/rstudio/c9s-python-3.11/Dockerfile.cuda
index ca6fedf4b..fab0463ea 100644
--- a/rstudio/c9s-python-3.11/Dockerfile.cuda
+++ b/rstudio/c9s-python-3.11/Dockerfile.cuda
@@ -179,6 +179,7 @@ LABEL name="odh-notebook-rstudio-server-cuda-c9s-python-3.11" \
 USER 0
 
 ENV R_VERSION=4.4.3
+ENV MAKEFLAGS="-j2"
 
 # Install R
 RUN yum install -y yum-utils && \
diff --git a/rstudio/rhel9-python-3.11/Dockerfile.cpu b/rstudio/rhel9-python-3.11/Dockerfile.cpu
index aedf9c373..070a57c82 100644
--- a/rstudio/rhel9-python-3.11/Dockerfile.cpu
+++ b/rstudio/rhel9-python-3.11/Dockerfile.cpu
@@ -67,6 +67,7 @@ RUN if [ -d "${SECRET_DIR}" ]; then \
   fi
 
 ENV R_VERSION=4.4.3
+ENV MAKEFLAGS="-j2"
 
 # Install R
 RUN yum install -y yum-utils && \
diff --git a/rstudio/rhel9-python-3.11/Dockerfile.cuda b/rstudio/rhel9-python-3.11/Dockerfile.cuda
index ed589331b..e4259f7fe 100644
--- a/rstudio/rhel9-python-3.11/Dockerfile.cuda
+++ b/rstudio/rhel9-python-3.11/Dockerfile.cuda
@@ -225,6 +225,7 @@ RUN if [ -d "${SECRET_DIR}" ]; then \
   fi
 
 ENV R_VERSION=4.4.3
+ENV MAKEFLAGS="-j2"
 
 # Install R
 RUN yum install -y yum-utils && \