diff --git a/hooks/command b/hooks/command
index 480f9fe..8cc6180 100755
--- a/hooks/command
+++ b/hooks/command
@@ -10,7 +10,7 @@ install_reporter() {
   printf -- "--- :codeclimate: Installing %s cc-test-reporter\\n" "${version}"
 
   curl --location --silent --output ./cc-test-reporter \
-    "https://codeclimate.com/downloads/test-reporter/test-reporter-${version}-linux-amd64" && \
+    "https://codeclimate.com/downloads/test-reporter/test-reporter-${version}-linux-${arch}" && \
   chmod +x ./cc-test-reporter
   # add current working directory to path so cc-test-reporter is accessible
   PATH=${PATH}:$(pwd)
@@ -104,6 +104,20 @@ report=${BUILDKITE_PLUGIN_CODECLIMATE_TEST_REPORTER_REPORT:-true}
 formatted_file_prefix=${BUILDKITE_PLUGIN_CODECLIMATE_TEST_REPORTER_FILE_PREFIX:-"codeclimate"}
 version=${BUILDKITE_PLUGIN_CODECLIMATE_TEST_REPORTER_VERSION:-"latest"}
 
+march="$(uname -m)"
+case $march in
+  x86_64)
+    arch="amd64"
+    ;;
+  aarch64)
+    arch="arm64"
+    ;;
+  *)
+    echo "Unsupported architecture: ${march}"
+    exit 1
+    ;;
+esac
+
 install_reporter
 download_artifacts
 format_files
diff --git a/tests/command.bats b/tests/command.bats
index 376efa3..191ee3a 100755
--- a/tests/command.bats
+++ b/tests/command.bats
@@ -5,11 +5,12 @@ load '/usr/local/lib/bats/load.bash'
 # Uncomment the following line to debug stub failures
 # export BUILDKITE_AGENT_STUB_DEBUG=/dev/tty
 
-@test "Installs the latest reporter binary" {
+@test "Installs the latest reporter binary amd64" {
   export BUILDKITE_PLUGIN_CODECLIMATE_TEST_REPORTER_DOWNLOAD="false"
   export BUILDKITE_PLUGIN_CODECLIMATE_TEST_REPORTER_FORMAT="false"
   export BUILDKITE_PLUGIN_CODECLIMATE_TEST_REPORTER_REPORT="false"
 
+  stub uname "-m : echo 'x86_64'"
   stub curl "--location --silent --output ./cc-test-reporter \"https://codeclimate.com/downloads/test-reporter/test-reporter-latest-linux-amd64\" : echo 'Binary downloaded'"
   stub chmod "+x ./cc-test-reporter : echo 'Binary made executable'"
   stub cc-test-reporter "-v : echo 'Code Climate Test Reporter version'"
@@ -22,11 +23,51 @@ load '/usr/local/lib/bats/load.bash'
   assert_output --partial "Binary made executable"
   assert_output --partial "Code Climate Test Reporter version"
 
+  unstub uname
   unstub curl
   unstub chmod
   unstub cc-test-reporter
 }
 
+@test "Installs the latest reporter binary arm64" {
+  export BUILDKITE_PLUGIN_CODECLIMATE_TEST_REPORTER_DOWNLOAD="false"
+  export BUILDKITE_PLUGIN_CODECLIMATE_TEST_REPORTER_FORMAT="false"
+  export BUILDKITE_PLUGIN_CODECLIMATE_TEST_REPORTER_REPORT="false"
+
+  stub uname "-m : echo 'aarch64'"
+  stub curl "--location --silent --output ./cc-test-reporter \"https://codeclimate.com/downloads/test-reporter/test-reporter-latest-linux-arm64\" : echo 'Binary downloaded'"
+  stub chmod "+x ./cc-test-reporter : echo 'Binary made executable'"
+  stub cc-test-reporter "-v : echo 'Code Climate Test Reporter version'"
+
+  run "$PWD/hooks/command"
+
+  assert_success
+  assert_output --partial "--- :codeclimate: Installing latest cc-test-reporter"
+  assert_output --partial "Binary downloaded"
+  assert_output --partial "Binary made executable"
+  assert_output --partial "Code Climate Test Reporter version"
+
+  unstub uname
+  unstub curl
+  unstub chmod
+  unstub cc-test-reporter
+}
+
+@test "Installs the latest reporter binary unsupported architecture" {
+  export BUILDKITE_PLUGIN_CODECLIMATE_TEST_REPORTER_DOWNLOAD="false"
+  export BUILDKITE_PLUGIN_CODECLIMATE_TEST_REPORTER_FORMAT="false"
+  export BUILDKITE_PLUGIN_CODECLIMATE_TEST_REPORTER_REPORT="false"
+
+  stub uname "-m : echo 'riscv64'"
+
+  run "$PWD/hooks/command"
+
+  assert_failure
+  assert_output --partial "Unsupported architecture: riscv64"
+
+  unstub uname
+}
+
 @test "Downloads artifacts" {
   export BUILDKITE_PLUGIN_CODECLIMATE_TEST_REPORTER_INSTALL="false"
   export BUILDKITE_PLUGIN_CODECLIMATE_TEST_REPORTER_FORMAT="false"