diff --git a/requirements.txt b/requirements.txt
index 23a9993..54096d0 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
 -i https://pypi.org/simple
 attrs==19.3.0
-certifi==2019.11.28
+certifi==2022.12.7
 chardet==3.0.4
 cycler==0.10.0
 dataclasses==0.6 ; python_version < '3.7'
diff --git a/setup.py b/setup.py
index b0872e5..cf288d2 100644
--- a/setup.py
+++ b/setup.py
@@ -14,7 +14,7 @@
     packages=find_packages(exclude=["tests"]),
     install_requires=[
         "attrs==19.3.0",
-        "certifi==2019.11.28",
+        "certifi==2022.12.7",
         "chardet==3.0.4",
         "cycler==0.10.0",
         "dataclasses==0.6; python_version < '3.7'",