diff --git a/pyproject.toml b/pyproject.toml
index 37e5d18..d74394f 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -39,7 +39,7 @@ Changelog = "https://github.com/googleapis/llama-index-alloydb-pg-python/blob/ma
 test = [
     "black[jupyter]==26.5.1",
     "isort==8.0.1",
-    "mypy==2.1.0",
+    "mypy==2.3.0",
     "pytest-asyncio==1.4.0",
     "pytest==9.1.1",
     "pytest-cov==7.1.0",
diff --git a/requirements.txt b/requirements.txt
index c7d040f..4a07771 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
 google-cloud-alloydb-connector[asyncpg]==1.13.1
 llama-index-core==0.14.23
-pgvector==0.4.2
+pgvector==0.5.0
 SQLAlchemy[asyncio]==2.0.51