diff --git a/requirements.txt b/requirements.txt
index 9c014ae..d1d4d45 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,7 +8,7 @@ blessings==1.6.1
 bpython==0.17.1
 bumpversion==0.5.3
 bytecode==0.5
-certifi==2018.1.18
+certifi==2022.12.7
 cffi==1.11.4
 chardet==3.0.4
 colorlog==3.1.2
diff --git a/requirements_docs.txt b/requirements_docs.txt
index b8d9934..9e8cf2c 100644
--- a/requirements_docs.txt
+++ b/requirements_docs.txt
@@ -10,7 +10,7 @@ bitcoin==1.1.42
 blessings==1.6.1
 bpython==0.17
 bytecode==0.5
-certifi==2017.11.5
+certifi==2022.12.7
 cffi==1.11.4
 chardet==3.0.4
 colorlog==3.1.0