diff --git a/src/extensions/ua-parser-extensions.js b/src/extensions/ua-parser-extensions.js
index 2929f3a..8317f4b 100644
--- a/src/extensions/ua-parser-extensions.js
+++ b/src/extensions/ua-parser-extensions.js
@@ -222,8 +222,10 @@ const Fetchers = Object.freeze({
             // DuckAssistBot - https://duckduckgo.com/duckassistbot/
             // Better Uptime / BingPreview / Mastodon / MicrosoftPreview / Pinterestbot / Redditbot / Rogerbot / SiteAuditBot / Telegrambot / Twitterbot / UptimeRobot
             // Google Site Verifier / Meta / Yahoo! Japan
+            // Perplexity-User - https://docs.perplexity.ai/guides/bots
+            // MistralAI-User - https://docs.mistral.ai/robots/
             // Yandex Bots - https://yandex.com/bots
-            /(ahrefssiteaudit|(?:bing|microsoft)preview|chatgpt-user|mastodon|(?:discord|duckassist|linkedin|pinterest|reddit|roger|siteaudit|twitter|uptimero)bot|google-site-verification|meta-externalfetcher|y!?j-dlc|yandex(?:calendar|direct(?:dyn)?|searchshop)|yadirectfetcher)\/([\w\.]+)/i,
+            /(ahrefssiteaudit|(?:bing|microsoft)preview|(?:chatgpt|mistralai|perplexity)-user|mastodon|(?:discord|duckassist|linkedin|pinterest|reddit|roger|siteaudit|twitter|uptimero)bot|google-site-verification|meta-externalfetcher|y!?j-dlc|yandex(?:calendar|direct(?:dyn)?|searchshop)|yadirectfetcher)\/([\w\.]+)/i,
 
             // Bluesky
             /(bluesky) cardyb\/([\w\.]+)/i,
diff --git a/test/data/ua/extension/fetcher.json b/test/data/ua/extension/fetcher.json
index fed25bc..62154a9 100644
--- a/test/data/ua/extension/fetcher.json
+++ b/test/data/ua/extension/fetcher.json
@@ -149,6 +149,26 @@
             "type"    : "fetcher"
         }
     },
+    {
+        "desc"    : "MistralAI-User",
+        "ua"      : "Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; MistralAI-User/1.0; +https://docs.mistral.ai/robots)",
+        "expect"  :
+        {
+            "name"    : "MistralAI-User",
+            "version" : "1.0",
+            "type"    : "fetcher"
+        }
+    },
+    {
+        "desc"    : "Perplexity-User",
+        "ua"      : "Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; Perplexity-User/1.0; +https://perplexity.ai/perplexity-user)",
+        "expect"  :
+        {
+            "name"    : "Perplexity-User",
+            "version" : "1.0",
+            "type"    : "fetcher"
+        }
+    },
     {
         "desc"    : "Pinterestbot",
         "ua"      : "Mozilla/5.0 (compatible; Pinterestbot/1.0; +http://www.pinterest.com/bot.html)",