diff --git a/docker/tycho-api/requirements.txt b/docker/tycho-api/requirements.txt
index d9c31617..929105bc 100644
--- a/docker/tycho-api/requirements.txt
+++ b/docker/tycho-api/requirements.txt
@@ -14,7 +14,7 @@ attrs==18.2.0
 bcrypt==3.2.0 
 cached-property==1.5.2 
 cachetools==3.1.0 
-certifi==2018.11.29 
+certifi==2023.7.22 
 cffi==1.14.3 
 chardet==3.0.4 
 coverage==5.3