diff --git a/hbp_nrp_watchdog/requirements.txt b/hbp_nrp_watchdog/requirements.txt
index aa7d021..7b1c064 100644
--- a/hbp_nrp_watchdog/requirements.txt
+++ b/hbp_nrp_watchdog/requirements.txt
@@ -1,4 +1,4 @@
 psutil==2.0.0
-PyYAML==3.11
+PyYAML==5.4
 rospkg==1.0.38
 catkin_pkg==0.2.10