diff --git a/pyproject.toml b/pyproject.toml
index a716e51..191f5ca 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -10,6 +10,9 @@ classifiers = [
     "License :: OSI Approved :: MIT License",
     "Operating System :: OS Independent",
 ]
+dependencies = [
+    "requests",
+]
 
 [project.urls]
 "Homepage" = "https://github.com/xbklairith/bitkub-python"