diff --git a/requirements.txt b/requirements.txt
index 648546a..f7a4948 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
 attrs==17.3.0
 bottle==0.12.13
-certifi==2017.11.5
+certifi==2022.12.7
 chardet==3.0.4
 click==6.7
 coverage==4.4.2
diff --git a/rpi/linreqs.txt b/rpi/linreqs.txt
index 76dcf77..fcbd29d 100644
--- a/rpi/linreqs.txt
+++ b/rpi/linreqs.txt
@@ -1,6 +1,6 @@
 urllib3==1.22
 BeautifulSoup4==4.6.0
-certifi==2018.1.18
+certifi==2022.12.7
 chardet==3.0.4
 coverage==4.5.1
 html5lib==1.01