diff --git a/poir.txt b/poir.txt
index 98126eb..fa25df0 100644
--- a/poir.txt
+++ b/poir.txt
@@ -1,4 +1,4 @@
-certifi==2019.9.11
+certifi==2022.12.7
 chardet==3.0.4
 defusedxml==0.6.0
 Django==2.2.5
diff --git a/requirements.txt b/requirements.txt
index da1ea9d..2a2b23a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-certifi==2019.6.16
+certifi==2022.12.7
 chardet==3.0.4
 coreapi==2.3.3
 coreschema==0.0.4
diff --git a/requisitions.txt b/requisitions.txt
index 41c139c..05dac02 100644
--- a/requisitions.txt
+++ b/requisitions.txt
@@ -1,4 +1,4 @@
-certifi==2019.9.11
+certifi==2022.12.7
 chardet==3.0.4
 Django==2.2.5
 djangorestframework==3.10.3