diff --git a/requirements.txt b/requirements.txt
index 4d153cb..a1b1a14 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 numpy
-pyyaml==5.3.1 # Workaround for networkx issue 4548
+pyyaml==5.4 # Workaround for networkx issue 4548
 networkx>=2.1
 matplotlib
 pytools