diff --git a/pyproject.toml b/pyproject.toml
index 0abf7ddb..b35cec6d 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -27,7 +27,7 @@ Faker = "^0.8"
 lazy-object-proxy = "^1.2"
 pendulum = "^1.4"
 pyaml = "^16.12"
-pyyaml = "^3.12"
+pyyaml = "^5.1"
 Pygments = "^2.2"
 simplejson = "^3.10"
 six = "^1.10"