diff --git a/requirements/all.txt b/requirements/all.txt
index 9ff8b812..ad8a48f8 100644
--- a/requirements/all.txt
+++ b/requirements/all.txt
@@ -17,7 +17,7 @@ build==0.10.0
     #   check-manifest
     #   pip-tools
     #   sampleproject (pyproject.toml)
-certifi==2023.5.7
+certifi==2023.7.22
     # via requests
 cffi==1.15.1
     # via cryptography
diff --git a/requirements/check-release.txt b/requirements/check-release.txt
index 907949c2..f41273cf 100644
--- a/requirements/check-release.txt
+++ b/requirements/check-release.txt
@@ -10,7 +10,7 @@ build==0.10.0
     # via
     #   check-manifest
     #   sampleproject (pyproject.toml)
-certifi==2023.5.7
+certifi==2023.7.22
     # via requests
 cffi==1.15.1
     # via cryptography
diff --git a/requirements/docs.txt b/requirements/docs.txt
index c96ab299..2e205577 100644
--- a/requirements/docs.txt
+++ b/requirements/docs.txt
@@ -6,7 +6,7 @@
 #
 babel==2.12.1
     # via mkdocs-git-revision-date-localized-plugin
-certifi==2023.5.7
+certifi==2023.7.22
     # via requests
 charset-normalizer==3.1.0
     # via requests