diff --git a/requirements.txt b/requirements.txt
index 030e13fe9..5736e6166 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,7 +3,7 @@ Jinja2==3.1.6
 marisa-trie==1.3.1
 mediawiki-langcodes==0.2.18  # for up-to-date langs data, required by wikitextprocessor
 mistune==3.1.4  # for DictFile reading
-pyglossary==5.2.0
+pyglossary==5.2.1
 python-idzip==0.3.10
 requests==2.32.5
 rich==14.2.0
diff --git a/wikidict/convert.py b/wikidict/convert.py
index 7af534a14..957e14f7a 100644
--- a/wikidict/convert.py
+++ b/wikidict/convert.py
@@ -519,9 +519,6 @@ def _convert(self) -> None:
         if isinstance(self, StarDictFormat):
             writer_cls = glos.plugins["Stardict"].writerClass
 
-            # We do not want to compress the `.syn` file as it does not work everywhere (see issue #2407)
-            writer_cls.dictzipSynFile = False
-
             # Do not append extra data to the book name
             def get_bookname(cls) -> str:  # type: ignore[no-untyped-def]
                 bookname = str(cls._glos.getInfo("name"))