diff --git a/pyproject.toml b/pyproject.toml
index 47de6a306d..04bc662236 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -110,7 +110,7 @@ dev = [
     "typing-extensions==4.15.0",
     "pytest-mock==3.15.1",
     "pyspark[connect]==4.0.1",
-    "protobuf==6.33.0", # match Spark Connect's gencode
+    "protobuf==6.33.1", # match Spark Connect's gencode
     "cython==3.2.1",
     "deptry>=0.14,<0.24",
     "docutils!=0.21.post1",
diff --git a/uv.lock b/uv.lock
index 8957d10f4a..c1db2231e2 100644
--- a/uv.lock
+++ b/uv.lock
@@ -3271,17 +3271,17 @@ wheels = [
 
 [[package]]
 name = "protobuf"
-version = "6.33.0"
+version = "6.33.1"
 source = { registry = "https://pypi.org/simple" }
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 ]
 
 [[package]]
@@ -3805,7 +3805,7 @@ dev = [
     { name = "mypy-boto3-dynamodb", specifier = ">=1.28.18" },
     { name = "mypy-boto3-glue", specifier = ">=1.28.18" },
     { name = "prek", specifier = ">=0.2.1,<0.3" },
-    { name = "protobuf", specifier = "==6.33.0" },
+    { name = "protobuf", specifier = "==6.33.1" },
     { name = "pyspark", extras = ["connect"], specifier = "==4.0.1" },
     { name = "pytest", specifier = "==7.4.4" },
     { name = "pytest-checkdocs", specifier = "==2.13.0" },