diff --git a/requirements.in b/requirements.in
index 94c2eb9..89184d5 100644
--- a/requirements.in
+++ b/requirements.in
@@ -15,4 +15,4 @@
 
 pyang
 pyangbind
-pyyaml==5.4.1
\ No newline at end of file
+pyyaml==5.3.1
\ No newline at end of file
diff --git a/requirements.txt b/requirements.txt
index fb24668..1d040f2 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -28,7 +28,7 @@
     #   pyangbind
 pyangbind==0.8.1
     # via -r requirements.in
-pyyaml==5.4.1
+pyyaml==5.3.1
     # via -r requirements.in
 regex==2023.5.5
     # via pyangbind