diff --git a/api/requirements.txt b/api/requirements.txt
index aaf9bf6..8de25cb 100644
--- a/api/requirements.txt
+++ b/api/requirements.txt
@@ -4,7 +4,7 @@ oic~=1.5.0
 sanic-session~=0.8.0
 python-slugify~=6.1.2
 motor~=3.1.1
-pyyaml<6
+pyyaml~=5.3.1
 -e git+https://github.com/openmaptiles/openmaptiles-tools#egg=openmaptiles-tools
 sqlparse~=0.4.3
 sqlalchemy[asyncio]~=1.4.46