diff --git a/.bonsai.yml b/.bonsai.yml
index 33180fe..3320438 100644
--- a/.bonsai.yml
+++ b/.bonsai.yml
@@ -28,6 +28,16 @@ builds:
   -  "entity.system.platform != 'amazon'"
   -  "entity.system.platform_family == 'rhel'"
   -  "parseInt(entity.system.platform_version.split('.')[0]) == 8"
+- platform: "el9"
+  arch: "amd64"
+  asset_filename: "sensu-ruby-runtime_#{version}_ruby-3.2.0_el9_linux_amd64.tar.gz"
+  sha_filename: "sensu-ruby-runtime_#{version}_sha512-checksums.txt"
+  filter:
+  -  "entity.system.os == 'linux'"
+  -  "entity.system.arch == 'amd64'"
+  -  "entity.system.platform != 'amazon'"
+  -  "entity.system.platform_family == 'rhel'"
+  -  "parseInt(entity.system.platform_version.split('.')[0]) == 9"
 - platform: "amzn1"
   arch: "amd64"
   asset_filename: "sensu-ruby-runtime_#{version}_ruby-3.2.0_amzn1_linux_amd64.tar.gz"
diff --git a/Dockerfile.el9 b/Dockerfile.el9
new file mode 100644
index 0000000..0633744
--- /dev/null
+++ b/Dockerfile.el9
@@ -0,0 +1,26 @@
+FROM almalinux:9
+
+ARG RUBY_VERSION=3.2.0
+ARG ASSET_VERSION=local_build
+ARG GREP_EXCLUDE='(ld.so|ld-linux-x86-64.so|libBrokenLocale.so|libSegFault.so|libanl.so|libc.so|libdl.so|libm.so|libmvec.so|libnss_compat.so|libnss_dns.so|libnss_files.so|libpthread.so|libresolv.so|librt.so|libthread_db.so|libutil.so|vdso.so)'
+
+RUN dnf update -y && dnf groupinstall -y "Development Tools" && dnf install -y curl-minimal
+RUN dnf install dnf-plugins-core
+RUN dnf repolist --all
+RUN dnf config-manager --set-enabled crb
+
+RUN curl -L https://github.com/postmodern/ruby-install/archive/v0.8.5.tar.gz -o ruby-install-0.8.5.tar.gz && \
+  tar -xzvf ruby-install-0.8.5.tar.gz && \
+  cd ruby-install-0.8.5/ && \
+  make install && \
+  ruby-install ruby ${RUBY_VERSION} -- --enable-load-relative --disable-install-doc && \
+  PATH=$PATH:/opt/rubies/ruby-${RUBY_VERSION}/bin/ && gem install ffi sys-filesystem
+
+RUN LIBS=$(find /opt/rubies/ruby-${RUBY_VERSION} -type f -executable -exec ldd {} 2>/dev/null \;|  grep "=>" | egrep -v ${GREP_EXCLUDE} | awk '{print $3}'| sort -u ) && \
+  for f in $LIBS; do if [ -e $f ]; then echo "Copying Library: $f" && cp $f /opt/rubies/ruby-${RUBY_VERSION}/lib/; fi; done
+
+RUN mkdir /assets/ && \
+  export SENSU_ASSET="/assets/sensu-ruby-runtime_${ASSET_VERSION}_ruby-${RUBY_VERSION}_$(source /etc/os-release && echo $PLATFORM_ID | cut -d: -f2)_$(uname -s | tr '[:upper:]' '[:lower:]')_amd64.tar.gz" && \
+  tar -czf $SENSU_ASSET -C /opt/rubies/ruby-${RUBY_VERSION}/ .
+
+ENV PATH=$PATH:/opt/rubies/ruby-${RUBY_VERSION}/bin
diff --git a/build_scripts/build_centos_platforms.sh b/build_scripts/build_centos_platforms.sh
index a44d799..5981f4e 100755
--- a/build_scripts/build_centos_platforms.sh
+++ b/build_scripts/build_centos_platforms.sh
@@ -10,3 +10,10 @@ retval=$?
 if [[ retval -ne 0 ]]; then
   exit $retval
 fi
+
+# EL 9 platform
+platform="el9" test_platforms="almalinux:9 quay.io/centos/centos:stream9 rockylinux:9 registry.access.redhat.com/ubi9/ubi:latest" ./build_and_test_platform.sh
+retval=$?
+if [[ retval -ne 0 ]]; then
+  exit $retval
+fi
diff --git a/build_scripts/build_platforms.sh b/build_scripts/build_platforms.sh
index 98e1fb3..54ca275 100755
--- a/build_scripts/build_platforms.sh
+++ b/build_scripts/build_platforms.sh
@@ -50,6 +50,13 @@ if [[ retval -ne 0 ]]; then
   exit $retval
 fi
 
+# EL 9 platform
+platform="el9" test_platforms="almalinux:9 quay.io/centos/centos:stream9 rockylinux:9 registry.access.redhat.com/ubi9/ubi:latest" ./build_and_test_platform.sh
+retval=$?
+if [[ retval -ne 0 ]]; then
+  exit $retval
+fi
+
 # CentOS 6 platform
 platform="centos6" test_platforms="centos:6 centos:7 debian:8 debian:9 debian:10 ubuntu:14.04 ubuntu:16.04 ubuntu:18.04" ./build_and_test_platform.sh
 retval=$?