diff --git a/plugins/speedtest-cli/speedtest-cli.plugin.zsh b/plugins/speedtest-cli/speedtest-cli.plugin.zsh
new file mode 100644
index 000000000..8ce3b1a55
--- /dev/null
+++ b/plugins/speedtest-cli/speedtest-cli.plugin.zsh
@@ -0,0 +1,27 @@
+_speedtest_cli_completions() {
+    local state
+    typeset -A opt_args
+
+    _arguments \
+        '--no-download[Do not perform download test]' \
+        '--no-upload[Do not perform upload test]' \
+        '--single[Only use a single connection instead of multiple]' \
+        '--bytes[Display values in bytes instead of bits]' \
+        '--share[Generate a URL to the speedtest.net share results image]' \
+        '--simple[Suppress verbose output, only show basic information]' \
+        '--csv[Suppress verbose output, only show basic information in CSV format]' \
+        '--csv-delimiter[Single character delimiter for CSV output]:delimiter:,' \
+        '--csv-header[Print CSV headers]' \
+        '--json[Suppress verbose output, show basic information in JSON format]' \
+        '--list[Display a list of speedtest.net servers sorted by distance]' \
+        '--server[Specify a server ID to test against]:server ID:' \
+        '--exclude[Exclude a server from selection]:server ID:' \
+        '--mini[URL of the Speedtest Mini server]:URL:' \
+        '--source[Source IP address to bind to]:IP address:' \
+        '--timeout[HTTP timeout in seconds]:timeout in seconds:' \
+        '--secure[Use HTTPS instead of HTTP for speedtest.net servers]' \
+        '--no-pre-allocate[Do not pre-allocate upload data]' \
+        '--version[Show the version number and exit]'
+}
+
+compdef _speedtest_cli_completions speedtest-cli