diff --git a/pyproject.toml b/pyproject.toml
index e60222fcf9..4dfe9e8b2c 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -112,7 +112,7 @@ dev = [
     "typing-extensions==4.15.0",
     "pytest-mock==3.15.1",
     "pyspark[connect]==4.0.1",
-    "protobuf==6.33.5", # match Spark Connect's gencode
+    "protobuf==7.35.1", # match Spark Connect's gencode
     "cython>=3.0.0",
     "deptry>=0.14",
     "docutils!=0.21.post1",
diff --git a/uv.lock b/uv.lock
index 002111053c..e73a8efac9 100644
--- a/uv.lock
+++ b/uv.lock
@@ -1408,7 +1408,7 @@ name = "exceptiongroup"
 version = "1.3.1"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
-    { name = "typing-extensions", marker = "python_full_version < '3.13'" },
+    { name = "typing-extensions", marker = "python_full_version < '3.11'" },
 ]
 sdist = { url = "https://files.pythonhosted.org/packages/50/79/66800aadf48771f6b62f7eb014e352e5d06856655206165d775e675a02c9/exceptiongroup-1.3.1.tar.gz", hash = "sha256:8b412432c6055b0b7d14c310000ae93352ed6754f70fa8f7c34141f91c4e3219", size = 30371, upload-time = "2025-11-21T23:01:54.787Z" }
 wheels = [
@@ -4486,17 +4486,17 @@ wheels = [
 
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 name = "protobuf"
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 [[package]]
@@ -5097,7 +5097,7 @@ dev = [
     { name = "nbformat", specifier = ">=5.10.0" },
     { name = "papermill", specifier = ">=2.6.0" },
     { name = "prek", specifier = ">=0.2.1" },
-    { name = "protobuf", specifier = "==6.33.5" },
+    { name = "protobuf", specifier = "==7.35.1" },
     { name = "pyarrow-stubs", specifier = ">=20.0.0.20251107" },
     { name = "pyspark", extras = ["connect"], specifier = "==4.0.1" },
     { name = "pytest", specifier = "==9.1.1" },