diff --git a/doc/requirements.txt b/doc/requirements.txt
index fe954a2..bbccb4f 100644
--- a/doc/requirements.txt
+++ b/doc/requirements.txt
@@ -6,7 +6,7 @@ autoray==0.3.1
 backports.cached-property==1.0.1
 Babel==2.9.1
 cachetools==4.2.4
-certifi==2021.5.30
+certifi==2022.12.7
 charset-normalizer==2.0.12
 cirq==0.14.1
 cirq-core==0.14.1
diff --git a/requirements.txt b/requirements.txt
index af8b3ac..30029b4 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@ appdirs==1.4.4
 autograd==1.4
 autoray==0.3.1
 cachetools==5.0.0
-certifi==2021.10.8
+certifi==2022.12.7
 charset-normalizer==2.0.12
 cirq-core==0.14.1
 cirq-pasqal==0.14.1