diff --git a/poetry.lock b/poetry.lock
index a4c85c268a..e539294f86 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -2317,21 +2317,21 @@ protobuf = ["grpcio-tools (>=1.75.1)"]
 
 [[package]]
 name = "grpcio-status"
-version = "1.71.2"
+version = "1.75.1"
 description = "Status proto mapping for gRPC"
 optional = false
 python-versions = ">=3.9"
 groups = ["main", "dev"]
 files = [
-    {file = "grpcio_status-1.71.2-py3-none-any.whl", hash = "sha256:803c98cb6a8b7dc6dbb785b1111aed739f241ab5e9da0bba96888aa74704cfd3"},
-    {file = "grpcio_status-1.71.2.tar.gz", hash = "sha256:c7a97e176df71cdc2c179cd1847d7fc86cca5832ad12e9798d7fed6b7a1aab50"},
+    {file = "grpcio_status-1.75.1-py3-none-any.whl", hash = "sha256:f681b301be26dcf7abf5c765d4a22e4098765e1a65cbdfa3efca384edf8e4e3c"},
+    {file = "grpcio_status-1.75.1.tar.gz", hash = "sha256:8162afa21833a2085c91089cc395ad880fac1378a1d60233d976649ed724cbf8"},
 ]
 markers = {main = "extra == \"bigquery\""}
 
 [package.dependencies]
 googleapis-common-protos = ">=1.5.5"
-grpcio = ">=1.71.2"
-protobuf = ">=5.26.1,<6.0dev"
+grpcio = ">=1.75.1"
+protobuf = ">=6.31.1,<7.0.0"
 
 [[package]]
 name = "hf-xet"
@@ -4312,23 +4312,22 @@ testing = ["google-api-core (>=1.31.5)"]
 
 [[package]]
 name = "protobuf"
-version = "5.29.5"
+version = "6.33.0"
 description = ""
 optional = false
-python-versions = ">=3.8"
+python-versions = ">=3.9"
 groups = ["main", "dev"]
 files = [
-    {file = "protobuf-5.29.5-cp310-abi3-win32.whl", hash = "sha256:3f1c6468a2cfd102ff4703976138844f78ebd1fb45f49011afc5139e9e283079"},
-    {file = "protobuf-5.29.5-cp310-abi3-win_amd64.whl", hash = "sha256:3f76e3a3675b4a4d867b52e4a5f5b78a2ef9565549d4037e06cf7b0942b1d3fc"},
-    {file = "protobuf-5.29.5-cp38-abi3-macosx_10_9_universal2.whl", hash = "sha256:e38c5add5a311f2a6eb0340716ef9b039c1dfa428b28f25a7838ac329204a671"},
-    {file = "protobuf-5.29.5-cp38-abi3-manylinux2014_aarch64.whl", hash = "sha256:fa18533a299d7ab6c55a238bf8629311439995f2e7eca5caaff08663606e9015"},
-    {file = "protobuf-5.29.5-cp38-abi3-manylinux2014_x86_64.whl", hash = "sha256:63848923da3325e1bf7e9003d680ce6e14b07e55d0473253a690c3a8b8fd6e61"},
-    {file = "protobuf-5.29.5-cp38-cp38-win32.whl", hash = "sha256:ef91363ad4faba7b25d844ef1ada59ff1604184c0bcd8b39b8a6bef15e1af238"},
-    {file = "protobuf-5.29.5-cp38-cp38-win_amd64.whl", hash = "sha256:7318608d56b6402d2ea7704ff1e1e4597bee46d760e7e4dd42a3d45e24b87f2e"},
-    {file = "protobuf-5.29.5-cp39-cp39-win32.whl", hash = "sha256:6f642dc9a61782fa72b90878af134c5afe1917c89a568cd3476d758d3c3a0736"},
-    {file = "protobuf-5.29.5-cp39-cp39-win_amd64.whl", hash = "sha256:470f3af547ef17847a28e1f47200a1cbf0ba3ff57b7de50d22776607cd2ea353"},
-    {file = "protobuf-5.29.5-py3-none-any.whl", hash = "sha256:6cf42630262c59b2d8de33954443d94b746c952b01434fc58a417fdbd2e84bd5"},
-    {file = "protobuf-5.29.5.tar.gz", hash = "sha256:bc1463bafd4b0929216c35f437a8e28731a2b7fe3d98bb77a600efced5a15c84"},
+    {file = "protobuf-6.33.0-cp310-abi3-win32.whl", hash = "sha256:d6101ded078042a8f17959eccd9236fb7a9ca20d3b0098bbcb91533a5680d035"},
+    {file = "protobuf-6.33.0-cp310-abi3-win_amd64.whl", hash = "sha256:9a031d10f703f03768f2743a1c403af050b6ae1f3480e9c140f39c45f81b13ee"},
+    {file = "protobuf-6.33.0-cp39-abi3-macosx_10_9_universal2.whl", hash = "sha256:905b07a65f1a4b72412314082c7dbfae91a9e8b68a0cc1577515f8df58ecf455"},
+    {file = "protobuf-6.33.0-cp39-abi3-manylinux2014_aarch64.whl", hash = "sha256:e0697ece353e6239b90ee43a9231318302ad8353c70e6e45499fa52396debf90"},
+    {file = "protobuf-6.33.0-cp39-abi3-manylinux2014_s390x.whl", hash = "sha256:e0a1715e4f27355afd9570f3ea369735afc853a6c3951a6afe1f80d8569ad298"},
+    {file = "protobuf-6.33.0-cp39-abi3-manylinux2014_x86_64.whl", hash = "sha256:35be49fd3f4fefa4e6e2aacc35e8b837d6703c37a2168a55ac21e9b1bc7559ef"},
+    {file = "protobuf-6.33.0-cp39-cp39-win32.whl", hash = "sha256:cd33a8e38ea3e39df66e1bbc462b076d6e5ba3a4ebbde58219d777223a7873d3"},
+    {file = "protobuf-6.33.0-cp39-cp39-win_amd64.whl", hash = "sha256:c963e86c3655af3a917962c9619e1a6b9670540351d7af9439d06064e3317cc9"},
+    {file = "protobuf-6.33.0-py3-none-any.whl", hash = "sha256:25c9e1963c6734448ea2d308cfa610e692b801304ba0908d7bfa564ac5132995"},
+    {file = "protobuf-6.33.0.tar.gz", hash = "sha256:140303d5c8d2037730c548f8c7b93b20bb1dc301be280c378b82b8894589c954"},
 ]
 
 [[package]]
@@ -6740,4 +6739,4 @@ zstandard = ["zstandard"]
 [metadata]
 lock-version = "2.1"
 python-versions = ">=3.10,<4"
-content-hash = "125a94a9cfe9aec659775c301d2c09faaf2d244657ccdc9c1aa7d2fe8b89131f"
+content-hash = "a354e988b7472aaf881aa0ab08317e58a541e78c2ec5fb69e69ca1b79f8afd29"
diff --git a/pyproject.toml b/pyproject.toml
index fe66409fe9..c0dc2514f2 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -98,7 +98,7 @@ moto = { version = "^5.0.2", extras = ["server"] }
 typing-extensions = "4.15.0"
 pytest-mock = "3.15.1"
 pyspark = { version = "4.0.1", extras = ["connect"] }
-protobuf = "5.29.5" # match Spark Connect's gencode
+protobuf = "6.33.0" # match Spark Connect's gencode
 cython = "3.1.5"
 deptry = ">=0.14,<0.24"
 docutils = "!=0.21.post1"   # https://github.com/python-poetry/poetry/issues/9248#issuecomment-2026240520