diff --git a/maubot.yaml b/maubot.yaml
index 18fded8..71e7579 100644
--- a/maubot.yaml
+++ b/maubot.yaml
@@ -1,6 +1,6 @@
 maubot: 0.3.1
 id: com.3ddbrewery.media
-version: 0.6.2
+version: 0.6.3
 license: MIT
 modules:
   - media_bot
diff --git a/media_bot/clients/seerr.py b/media_bot/clients/seerr.py
index aab75de..3afe358 100644
--- a/media_bot/clients/seerr.py
+++ b/media_bot/clients/seerr.py
@@ -13,6 +13,7 @@ from typing import Optional
 from urllib.parse import quote
 
 import aiohttp
+import yarl
 
 
 class SeerrError(RuntimeError):
@@ -34,7 +35,10 @@ class SeerrClient:
         url = f"{self.base}{path}"
         if params:
             url += "?" + _qs(params)
-        async with self.session.get(url, headers=self.headers) as r:
+        # yarl decodes "safe" sub-delims like %27 back to literal ' in the query,
+        # which Seerr's strict ajv validator then rejects. encoded=True keeps the
+        # RFC 3986 encoding we built with _qs intact on the wire.
+        async with self.session.get(yarl.URL(url, encoded=True), headers=self.headers) as r:
             if r.status >= 400:
                 raise SeerrError(f"GET {path} → {r.status}: {(await r.text())[:200]}")
             return await r.json()