diff --git a/requirements.txt b/requirements.txt
index c8cc9ee..2699241 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 attrs==17.4.0
-certifi==2018.1.18
+certifi==2022.12.7
 chardet==3.0.4
 coverage==4.5.1
 coveralls==1.2.0
diff --git a/setup.py b/setup.py
index cc52b48..2b4eb37 100644
--- a/setup.py
+++ b/setup.py
@@ -4,7 +4,7 @@
     packages=['faradayio'],
     install_requires=[
         'attrs==17.4.0',
-        'certifi==2018.1.18',
+        'certifi==2022.12.7',
         'chardet==3.0.4',
         'coverage==4.5.1',
         'coveralls==1.2.0',