diff --git a/pyproject.toml b/pyproject.toml
index 947afa9..f250f96 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -8,14 +8,17 @@ readme = "README.md"
 
 [tool.poetry.dependencies]
 python = "^3.7.1"
-torch = "^1.13.0"
+torch = ">=1.13.0 <3.0"
 sentence-transformers = "^2.2.2"
 transformers = "^4.29.2"
 openai = "^0.27.7"
 rank-bm25 = "^0.2.2"
 spacy = "^3.5.3"
-pysqlite-binary = "^0.5.0"
 nltk = "^3.8.1"
+pysqlite-binary = { version = "^0.5.0", optional = true }
+
+[tool.poetry.extras]
+pysqlite-binary = ["pysqlite-binary"]
 
 [build-system]
 requires = ["poetry-core"]