diff --git a/requirements-test.txt b/requirements-test.txt
index 449eea6f..def9f6ef 100644
--- a/requirements-test.txt
+++ b/requirements-test.txt
@@ -8,9 +8,9 @@ attrs==17.4.0 \
     --hash=sha256:1c7960ccfd6a005cd9f7ba884e6316b5e430a3f1a6c37c5f87d8b43f83b54ec9 \
     --hash=sha256:a17a9573a6f475c99b551c0e0a812707ddda1ec9653bed04c13841404ed6f450 \
     # via pytest
-certifi==2018.1.18 \
-    --hash=sha256:14131608ad2fd56836d33a71ee60fa1c82bc9d2c8d98b7bdbc631fe1b3cd1296 \
-    --hash=sha256:edbc3f203427eef571f79a7692bb160a2b0f7ccaa31953e99bd17e307cf63f7d
+certifi==2023.7.22 \
+    --hash=sha256:539cc1d13202e33ca466e88b2807e29f4c13049d6d87031a3c110744495cb082 \
+    --hash=sha256:92d6037539857d8206b8f6ae472e8b77db8058fec5937a1ef3f54304089edbb9
 chardet==3.0.4 \
     --hash=sha256:84ab92ed1c4d4f16916e05906b6b75a6c0fb5db821cc65e70cbd64a3e2a5eaae \
     --hash=sha256:fc323ffcaeaed0e0a02bf4d117757b98aed530d9ed4531e3e15460124c106691
diff --git a/requirements.txt b/requirements.txt
index 93bbcac9..53eaa148 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,9 +2,9 @@ asn1crypto==0.24.0 \
     --hash=sha256:2f1adbb7546ed199e3c90ef23ec95c5cf3585bac7d11fb7eb562a3fe89c64e87 \
     --hash=sha256:9d5c20441baf0cb60a4ac34cc447c6c189024b6b4c6cd7877034f4965c464e49 \
     # via cryptography
-certifi==2018.1.18 \
-    --hash=sha256:14131608ad2fd56836d33a71ee60fa1c82bc9d2c8d98b7bdbc631fe1b3cd1296 \
-    --hash=sha256:edbc3f203427eef571f79a7692bb160a2b0f7ccaa31953e99bd17e307cf63f7d \
+certifi==2023.7.22 \
+    --hash=sha256:539cc1d13202e33ca466e88b2807e29f4c13049d6d87031a3c110744495cb082 \
+    --hash=sha256:92d6037539857d8206b8f6ae472e8b77db8058fec5937a1ef3f54304089edbb9 \
     # via requests
 cffi==1.11.5 \
     --hash=sha256:151b7eefd035c56b2b2e1eb9963c90c6302dc15fbd8c1c0a83a163ff2c7d7743 \