diff --git a/__tests__/data/requirements-linux.txt b/__tests__/data/requirements-linux.txt
index ad047003..fca554a5 100644
--- a/__tests__/data/requirements-linux.txt
+++ b/__tests__/data/requirements-linux.txt
@@ -1,4 +1,4 @@
-certifi==2020.6.20
+certifi==2020.12.5
 chardet==3.0.4
 docutils==0.16
 idna==3.7
diff --git a/__tests__/data/requirements.txt b/__tests__/data/requirements.txt
index db0af784..138a6d05 100644
--- a/__tests__/data/requirements.txt
+++ b/__tests__/data/requirements.txt
@@ -1,6 +1,6 @@
 altgraph==0.17.2
 
-certifi==2020.6.20
+certifi==2020.12.5
 
 chardet==3.0.4