diff --git a/gallery_dl/extractor/kemonoparty.py b/gallery_dl/extractor/kemonoparty.py
index eae02fdd..79070ee3 100644
--- a/gallery_dl/extractor/kemonoparty.py
+++ b/gallery_dl/extractor/kemonoparty.py
@@ -153,7 +153,7 @@ class KemonopartyExtractor(Extractor):
                     file["type"] = "archive"
                     if archives:
                         try:
-                            data = self.api.posts_archives(file["hash"])
+                            data = self.api.file(file["hash"])
                             data.update(file)
                             post_archives.append(data)
                         except Exception as exc:
@@ -521,9 +521,9 @@ class KemonoAPI():
         params = {"q": query, "o": offset, "tag": tags}
         return self._pagination(endpoint, params, 50, "posts")
 
-    def posts_archives(self, file_hash):
-        endpoint = "/posts/archives/" + file_hash
-        return self._call(endpoint)["archive"]
+    def file(self, file_hash):
+        endpoint = "/file/" + file_hash
+        return self._call(endpoint)
 
     def creator_posts(self, service, creator_id, offset=0, query=None):
         endpoint = "/{}/user/{}".format(service, creator_id)
diff --git a/test/results/kemonoparty.py b/test/results/kemonoparty.py
index 1c4d5a56..fc6c5fc8 100644
--- a/test/results/kemonoparty.py
+++ b/test/results/kemonoparty.py
@@ -401,7 +401,7 @@ __tests__ = (
         "public_id": "soso",
         "relation_id": None,
         "service": "fanbox",
-        "updated": "2025-03-03T03:29:08.598883",
+        "updated": "2025-03-29T05:44:56.747243",
     },
     "tags": [
         "うごイラ",