diff --git a/requirements.txt b/requirements.txt
index 811f091..e0e3078 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,7 +3,7 @@ asn1crypto==0.24.0
 atomicwrites==1.3.0
 attrs==19.1.0
 bloom-filter==1.3
-certifi==2019.3.9
+certifi==2022.12.7
 cffi==1.12.3
 chardet==3.0.4
 cloudpickle==1.2.1
diff --git a/requirements_python3.7.txt b/requirements_python3.7.txt
index 811f091..e0e3078 100644
--- a/requirements_python3.7.txt
+++ b/requirements_python3.7.txt
@@ -3,7 +3,7 @@ asn1crypto==0.24.0
 atomicwrites==1.3.0
 attrs==19.1.0
 bloom-filter==1.3
-certifi==2019.3.9
+certifi==2022.12.7
 cffi==1.12.3
 chardet==3.0.4
 cloudpickle==1.2.1
diff --git a/requirements_python3.8.txt b/requirements_python3.8.txt
index 4bfe691..1e51ebe 100644
--- a/requirements_python3.8.txt
+++ b/requirements_python3.8.txt
@@ -3,7 +3,7 @@ asn1crypto==0.24.0
 atomicwrites==1.3.0
 attrs==19.1.0
 bloom-filter==1.3
-certifi==2019.3.9
+certifi==2022.12.7
 cffi==1.14.0
 chardet==3.0.4
 cloudpickle==1.2.1