diff --git a/conda_requirements.txt b/conda_requirements.txt
index d2ac2df..7c077ee 100644
--- a/conda_requirements.txt
+++ b/conda_requirements.txt
@@ -1,5 +1,5 @@
 bokeh==0.11.1
-certifi==2016.2.28
+certifi==2022.12.7
 cffi==1.6.0
 cryptography==1.3.2
 cycler==0.10.0
diff --git a/py3_requirements.txt b/py3_requirements.txt
index 9161a23..abbfecb 100644
--- a/py3_requirements.txt
+++ b/py3_requirements.txt
@@ -2,7 +2,7 @@ backports-abc==0.4
 backports.shutil-get-terminal-size==1.0.0
 backports.ssl-match-hostname==3.5.0.1
 bokeh==0.11.1
-certifi==2016.2.28
+certifi==2022.12.7
 cffi==1.6.0
 cryptography==1.3.2
 cycler==0.10.0
diff --git a/py3_server_requirements.txt b/py3_server_requirements.txt
index c870d1e..842827f 100644
--- a/py3_server_requirements.txt
+++ b/py3_server_requirements.txt
@@ -2,7 +2,7 @@ backports-abc==0.4
 backports.shutil-get-terminal-size==1.0.0
 backports.ssl-match-hostname==3.5.0.1
 bokeh==0.11.1
-certifi==2016.2.28
+certifi==2022.12.7
 cffi==1.6.0
 chardet==2.3.0
 cryptography==1.3.2
diff --git a/requirements.txt b/requirements.txt
index ec17770..1e35d64 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@ backports-abc==0.4
 backports.shutil-get-terminal-size==1.0.0
 backports.ssl-match-hostname==3.5.0.1
 bokeh==0.11.1
-certifi==2016.2.28
+certifi==2022.12.7
 cffi==1.6.0
 configparser==3.3.0.post2
 cryptography==1.3.2