diff --git a/libs/langchain_v1/pyproject.toml b/libs/langchain_v1/pyproject.toml
index 50b0d2c6688..2617ef1999e 100644
--- a/libs/langchain_v1/pyproject.toml
+++ b/libs/langchain_v1/pyproject.toml
@@ -61,6 +61,7 @@ test = [
     "langchain-openai",
     "langchain-ollama>=1.0.0",
     "langchain-anthropic>=1.0.3",
+    "langchain-google-genai",
 ]
 lint = [
     "ruff>=0.14.11,<0.15.0",