diff --git a/pyproject.toml b/pyproject.toml
index 6ba7012a..742777c0 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -43,7 +43,7 @@ anthropic = ["splunk-sdk[ai]>=3.0.0", "langchain-anthropic>=1.5.6"]
 openai = ["splunk-sdk[ai]>=3.0.0", "langchain-openai>=1.5.1"]
 google = [
   "splunk-sdk[ai]>=3.0.0",
-  "langchain-google-genai==4.3.4",
+  "langchain-google-genai==4.3.5",
   "google-auth>=2.56.3",
 ]
 
diff --git a/uv.lock b/uv.lock
index f5c8a7f8..ceb34f74 100644
--- a/uv.lock
+++ b/uv.lock
@@ -506,6 +506,7 @@ dependencies = [
     { name = "cryptography" },
     { name = "pyasn1-modules" },
 ]
+sdist = { url = "https://files.pythonhosted.org/packages/41/64/55f316b729f92a552d26e00aa3b1542b2e149d0a5efe2842afff0cac7af7/google_auth-2.57.0.tar.gz", hash = "sha256:9b4f96d6a1feb5f7201231f47cfb3de08d8f176f8a61f9e461555116e95a8789", size = 370794, upload-time = "2026-08-25T19:18:26.419Z" }
 wheels = [
     { url = "https://files.pythonhosted.org/packages/00/f3/8508a702c094af5f6e89773f4dfdeee74913df0f41a02c21b5e7dc3d75cd/google_auth-2.57.0-py3-none-any.whl", hash = "sha256:180dafe015cfb62193bea26b677500fab5b9fd51a1e825ebf3ad9b182047ae59", size = 259728, upload-time = "2026-08-24T21:55:08.449Z" },
 ]
@@ -879,7 +880,7 @@ wheels = [
 
 [[package]]
 name = "langchain-google-genai"
-version = "4.3.4"
+version = "4.3.5"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
     { name = "filetype" },
@@ -887,9 +888,9 @@ dependencies = [
     { name = "langchain-core" },
     { name = "pydantic" },
 ]
-sdist = { url = "https://files.pythonhosted.org/packages/d4/ae/8ba8ee41bd20a23dee95cda109632c8b19a53141fbc81d9f87a72f0e975c/langchain_google_genai-4.3.4.tar.gz", hash = "sha256:265655baad05f799fa7b83a030eaca7cee0e32c9ab7de846b80ea7f59c26134e", size = 287396, upload-time = "2026-08-14T18:10:00.119Z" }
+sdist = { url = "https://files.pythonhosted.org/packages/41/e2/51eae10068e20917139f1d0b70bf2d5c15a8122d727457c1c50bed5a2d01/langchain_google_genai-4.3.5.tar.gz", hash = "sha256:bd33e6aa778f978c9bc632d59d5d6bcd1ed25fc07c2ed4aebc011a981c54f546", size = 289744, upload-time = "2026-08-20T16:31:44.51Z" }
 wheels = [
-    { url = "https://files.pythonhosted.org/packages/c9/f8/9fe4a28e319e9d6b20454e85fea9c243bf011dc866f2c3b9a89d64f9c1a1/langchain_google_genai-4.3.4-py3-none-any.whl", hash = "sha256:618fb0da1b9ba9def5569a8b05cb87e1389de41b8731c802958d09499490d2a5", size = 73338, upload-time = "2026-08-14T18:09:58.772Z" },
+    { url = "https://files.pythonhosted.org/packages/e7/98/93a37f508c8a5641389642883e70fba3e088a0b6a25f213445165a57c0cf/langchain_google_genai-4.3.5-py3-none-any.whl", hash = "sha256:24ed714b191c7bb85d2dba746aaab6eb8fd352fe782fdaefe50fde0d7b7601e9", size = 74207, upload-time = "2026-08-20T16:31:43.111Z" },
 ]
 
 [[package]]
@@ -2024,7 +2025,7 @@ requires-dist = [
     { name = "httpx", marker = "extra == 'ai'", specifier = "==0.28.1" },
     { name = "langchain", marker = "extra == 'ai'", specifier = ">=1.3.15" },
     { name = "langchain-anthropic", marker = "extra == 'anthropic'", specifier = ">=1.5.6" },
-    { name = "langchain-google-genai", marker = "extra == 'google'", specifier = "==4.3.4" },
+    { name = "langchain-google-genai", marker = "extra == 'google'", specifier = "==4.3.5" },
     { name = "langchain-openai", marker = "extra == 'openai'", specifier = ">=1.5.1" },
     { name = "mcp", marker = "extra == 'ai'", specifier = ">=1.28.1,<2.0.0" },
     { name = "pydantic", marker = "extra == 'ai'", specifier = ">=2.13.4" },