diff --git a/pyproject.toml b/pyproject.toml
index 62ae503de..7809098d5 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -85,7 +85,7 @@ mem-user = [
 
 # MemReader
 mem-reader = [
-    "chonkie (>=1.0.7,<2.0.0)",  # Sentence chunking library
+    "chonkie (>=1.0.7,<1.4.0)",  # Sentence chunking library
     "markitdown[docx,pdf,pptx,xls,xlsx] (>=0.1.1,<0.2.0)",  # Markdown parser for various file formats
 ]
 
@@ -104,7 +104,7 @@ all = [
     "redis (>=6.2.0,<7.0.0)",
     "pika (>=1.3.2,<2.0.0)",
     "pymysql (>=1.1.0,<2.0.0)",
-    "chonkie (>=1.0.7,<2.0.0)",
+    "chonkie (>=1.0.7,<1.4.0)",
     "markitdown[docx,pdf,pptx,xls,xlsx] (>=0.1.1,<0.2.0)",
     "pymilvus (>=2.6.1,<3.0.0)",
     "datasketch (>=1.6.5,<2.0.0)",