diff --git a/_data/params.csv b/_data/params.csv
index bc44605..0c9cfb6 100644
--- a/_data/params.csv
+++ b/_data/params.csv
@@ -6,6 +6,7 @@ dclid, Google DoubleClick,https://support.google.com/campaignmanager/answer/9182
 gbraid, Google AdWords,https://support.google.com/google-ads/answer/10417364,
 wbraid, Google AdWords,https://support.google.com/google-ads/answer/10417364,
 gad_source, Google AdWords,https://support.google.com/google-ads/answer/13327296,
+srsltid, Google Analytics,https://support.google.com/analytics/answer/11479699,
 twclid, Twitter,https://business.twitter.com/en/help/campaign-measurement-and-analytics/conversion-tracking-for-websites.html,
 yclid, Yahoo,https://ads-help.yahoo-net.jp/s/article/H000044650,
 utm_content, Google Analytics, https://support.google.com/analytics/answer/10917952, No