diff --git a/src/contacts/requirements.in b/src/contacts/requirements.in
index 6207136..7072890 100644
--- a/src/contacts/requirements.in
+++ b/src/contacts/requirements.in
@@ -3,7 +3,7 @@ bcrypt==3.1.7
 bleach==4.1.0
 bunyan==0.1.2
 cachetools==4.1.1
-certifi==2020.6.20
+certifi==2023.7.22
 chardet==3.0.4
 click==7.1.1
 cryptography==3.3.2
diff --git a/src/contacts/requirements.txt b/src/contacts/requirements.txt
index 4af21a0..2f86653 100644
--- a/src/contacts/requirements.txt
+++ b/src/contacts/requirements.txt
@@ -18,7 +18,7 @@ bunyan==0.1.2
     # via -r requirements.in
 cachetools==4.1.1
     # via -r requirements.in
-certifi==2020.6.20
+certifi==2023.7.22
     # via
     #   -r requirements.in
     #   requests