diff --git a/pyproject.toml b/pyproject.toml
index 8b63137..53a7c34 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -8,7 +8,7 @@ requires-python = ">=3.8"
 dependencies = [
     "langchain-core>=0.1.1, <1.0.0",
     "SQLAlchemy>=2.0.25, <3.0.0",
-    "oracledb>=2.0.1, <3.0.0",
+    "oracledb>=3.0.0, <3.1.0",
     "langchain-community>=0.0.18, <1.0.0"
 ]
 classifiers = [
diff --git a/requirements.txt b/requirements.txt
index 94d58ff..715db7f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,5 +2,5 @@ langchain==0.1.16
 langchain-community==0.0.34
 langchain-core==0.1.45
 mypy==1.9.0
-oracledb==2.1.2
+oracledb==3.0.0
 sqlalchemy==2.0.29