diff --git a/requirements.consult_doi_request_and_extract_data.txt b/requirements.consult_doi_request_and_extract_data.txt
index 05e4711..3642a6e 100644
--- a/requirements.consult_doi_request_and_extract_data.txt
+++ b/requirements.consult_doi_request_and_extract_data.txt
@@ -1,4 +1,4 @@
-certifi==2019.6.16
+certifi==2022.12.7
 chardet==3.0.4
 get==2019.4.13
 idna==2.8
diff --git a/requirements.generate_doi_not_found.txt b/requirements.generate_doi_not_found.txt
index 4400302..68ac4ea 100644
--- a/requirements.generate_doi_not_found.txt
+++ b/requirements.generate_doi_not_found.txt
@@ -1,4 +1,4 @@
-certifi==2019.6.16
+certifi==2022.12.7
 chardet==3.0.4
 get==2019.4.13
 idna==2.8