diff --git a/requirements.txt b/requirements.txt
index 4430c4a..919b1e3 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -59,7 +59,7 @@ pytest-cov==2.10.1
 python-dateutil==2.8.1
 python-dotenv==0.15.0
 PyWavelets==1.1.1
-PyYAML==5.3.1
+PyYAML==5.4
 requests==2.26.0
 s3transfer==0.3.3
 scikit-image==0.17.2