diff --git a/examples/doc_scan/requirements.txt b/examples/doc_scan/requirements.txt
index 38b136a4..0a767b83 100644
--- a/examples/doc_scan/requirements.txt
+++ b/examples/doc_scan/requirements.txt
@@ -4,31 +4,65 @@
 #
 #    pip-compile --output-file=requirements.txt requirements.in
 #
-asn1==2.2.0               # via yoti
-certifi==2020.4.5.1       # via requests
-cffi==1.14.0              # via cryptography
-chardet==3.0.4            # via requests
-click==7.1.2              # via flask
-cryptography==3.2         # via pyopenssl, yoti
-deprecated==1.2.10        # via yoti
-filetype==1.0.7           # via -r requirements.in
-flask==1.1.2              # via -r requirements.in
-future==0.18.2            # via yoti
-idna==2.9                 # via requests
-iso8601==0.1.13           # via yoti
-itsdangerous==1.1.0       # via flask
-jinja2==2.11.2            # via flask
-markupsafe==1.1.1         # via jinja2
-protobuf==3.11.3          # via yoti
-pycparser==2.20           # via cffi
-pyopenssl==19.1.0         # via -r requirements.in, yoti
-python-dotenv==0.13.0     # via -r requirements.in
-requests==2.23.0          # via yoti
-six==1.14.0               # via cryptography, protobuf, pyopenssl
-urllib3==1.25.9           # via requests
-werkzeug==1.0.1           # via flask
-wrapt==1.12.1             # via deprecated
-yoti==2.13.0              # via -r requirements.in
+asn1==2.2.0
+    # via yoti
+certifi==2020.4.5.1
+    # via requests
+cffi==1.14.0
+    # via cryptography
+chardet==3.0.4
+    # via requests
+click==7.1.2
+    # via flask
+cryptography==3.2
+    # via
+    #   pyopenssl
+    #   yoti
+deprecated==1.2.10
+    # via yoti
+filetype==1.0.7
+    # via -r requirements.in
+flask==1.1.2
+    # via -r requirements.in
+future==0.18.2
+    # via yoti
+idna==2.9
+    # via requests
+iso8601==0.1.13
+    # via yoti
+itsdangerous==1.1.0
+    # via flask
+jinja2==2.11.2
+    # via flask
+markupsafe==2.1.2
+    # via
+    #   jinja2
+    #   werkzeug
+protobuf==3.11.3
+    # via yoti
+pycparser==2.20
+    # via cffi
+pyopenssl==19.1.0
+    # via
+    #   -r requirements.in
+    #   yoti
+python-dotenv==0.13.0
+    # via -r requirements.in
+requests==2.23.0
+    # via yoti
+six==1.14.0
+    # via
+    #   cryptography
+    #   protobuf
+    #   pyopenssl
+urllib3==1.25.9
+    # via requests
+werkzeug==2.2.3
+    # via flask
+wrapt==1.12.1
+    # via deprecated
+yoti==2.13.0
+    # via -r requirements.in
 
 # The following packages are considered to be unsafe in a requirements file:
 # setuptools
diff --git a/requirements.in b/requirements.in
index d7235772..f25ecb5c 100644
--- a/requirements.in
+++ b/requirements.in
@@ -4,7 +4,7 @@ cffi==1.14.3
 future==0.18.2
 itsdangerous==1.1.0
 pbr==1.10.0
-protobuf==3.13.0
+protobuf==4.21.12
 pyopenssl==19.1.0
 PyYAML==5.2 # PyYAML 5.3 does not support Python 3.4
 pytz==2022.1
diff --git a/requirements.txt b/requirements.txt
index 7d09771c..ac3a5451 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -30,7 +30,7 @@ itsdangerous==1.1.0
     # via -r requirements.in
 pbr==1.10.0
     # via -r requirements.in
-protobuf==3.13.0
+protobuf==4.21.12
     # via -r requirements.in
 pycparser==2.18
     # via cffi
diff --git a/setup.py b/setup.py
index 5f11c781..1564e16e 100644
--- a/setup.py
+++ b/setup.py
@@ -20,7 +20,7 @@
     install_requires=[
         "deprecated==1.2.10",
         "cryptography>=2.2.1",
-        "protobuf==3.13.0",
+        "protobuf==3.20.1",
         "requests>=2.11.1",
         "future>=0.11.0",
         "asn1==2.2.0",
diff --git a/sonar-project.properties b/sonar-project.properties
index e85e5860..1adb1c05 100644
--- a/sonar-project.properties
+++ b/sonar-project.properties
@@ -2,7 +2,7 @@ sonar.host.url = https://sonarcloud.io
 sonar.organization = getyoti
 sonar.projectKey = getyoti:python
 sonar.projectName = Python SDK
-sonar.projectVersion = 2.14.1
+sonar.projectVersion = 2.14.2
 sonar.exclusions = yoti_python_sdk/tests/**,examples/**,yoti_python_sdk/protobuf/**/*
 
 sonar.python.pylint.reportPath = coverage.out
diff --git a/yoti_python_sdk/version.py b/yoti_python_sdk/version.py
index e8cf2158..072a54c4 100644
--- a/yoti_python_sdk/version.py
+++ b/yoti_python_sdk/version.py
@@ -1,2 +1,2 @@
 # -*- coding: utf-8 -*-
-__version__ = "2.14.1"
+__version__ = "2.14.2"