diff --git a/.github/workflows/build_and_test.yml b/.github/workflows/build_and_test.yml
index 646a096b72dea..27618ab4b591a 100644
--- a/.github/workflows/build_and_test.yml
+++ b/.github/workflows/build_and_test.yml
@@ -243,7 +243,7 @@ jobs:
     - name: Install Python packages (Python 3.8)
       if: (contains(matrix.modules, 'sql') && !contains(matrix.modules, 'sql-'))
       run: |
-        python3.8 -m pip install 'numpy>=1.20.0' pyarrow pandas scipy unittest-xml-reporting 'grpcio==1.48.1' 'protobuf==3.19.4'
+        python3.8 -m pip install 'numpy>=1.20.0' pyarrow pandas scipy unittest-xml-reporting 'grpcio==1.48.1' 'protobuf==3.19.5'
         python3.8 -m pip list
     # Run the tests.
     - name: Run tests
@@ -589,7 +589,7 @@ jobs:
         #   See also https://issues.apache.org/jira/browse/SPARK-38279.
         python3.9 -m pip install 'sphinx<3.1.0' mkdocs pydata_sphinx_theme ipython nbsphinx numpydoc 'jinja2<3.0.0' 'markupsafe==2.0.1' 'pyzmq<24.0.0'
         python3.9 -m pip install ipython_genutils # See SPARK-38517
-        python3.9 -m pip install sphinx_plotly_directive 'numpy>=1.20.0' pyarrow pandas 'plotly>=4.8' 'grpcio==1.48.1' 'protobuf==3.19.4' 'mypy-protobuf==3.3.0'
+        python3.9 -m pip install sphinx_plotly_directive 'numpy>=1.20.0' pyarrow pandas 'plotly>=4.8' 'grpcio==1.48.1' 'protobuf==3.19.5' 'mypy-protobuf==3.3.0'
         python3.9 -m pip install 'docutils<0.18.0' # See SPARK-39421
         apt-get update -y
         apt-get install -y ruby ruby-dev
diff --git a/connector/connect/README.md b/connector/connect/README.md
index 2512dce21f457..bb748d905080d 100644
--- a/connector/connect/README.md
+++ b/connector/connect/README.md
@@ -90,7 +90,7 @@ To use the release version of Spark Connect:
 
 ### Generate proto generated files for the Python client
 1. Install `buf version 1.8.0`: https://docs.buf.build/installation
-2. Run `pip install grpcio==1.48.1 protobuf==3.19.4 mypy-protobuf==3.3.0`
+2. Run `pip install grpcio==1.48.1 protobuf==3.19.5 mypy-protobuf==3.3.0`
 3. Run `./connector/connect/dev/generate_protos.sh`
 4. Optional Check `./dev/check-codegen-python.py`
 
diff --git a/dev/requirements.txt b/dev/requirements.txt
index d9497f63ad4b0..f91e2fed71307 100644
--- a/dev/requirements.txt
+++ b/dev/requirements.txt
@@ -50,7 +50,7 @@ black==22.6.0
 
 # Spark Connect (required)
 grpcio==1.48.1
-protobuf==3.19.4
+protobuf==3.19.5
 
 # Spark Connect python proto generation plugin (optional)
 mypy-protobuf==3.3.0