diff --git a/requirements.txt b/requirements.txt
index 235e4f7..37572a9 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,7 +1,7 @@
 alabaster==0.7.10
 asn1crypto==0.22.0
 Babel==2.4.0
-certifi==2017.7.27.1
+certifi==2022.12.7
 cffi==1.10.0
 chardet==3.0.4
 cryptography==2.0.3
diff --git a/setup.py b/setup.py
index 2dee0b2..675e216 100644
--- a/setup.py
+++ b/setup.py
@@ -25,7 +25,7 @@
     'pyOpenSSL==17.2.0',
     'cryptography==2.0.3',
     'idna==2.5',
-    'certifi==2017.7.27.1'
+    'certifi==2022.12.7'
   ],
   setup_requires=['pytest-runner'],
   tests_require=['pytest', 'pytest-sugar']