diff --git a/requirements-dev.txt b/requirements-dev.txt
index c95ab1daa2b95ff784c683e1a04331306a75fbe4..7a895a8ebb0febc1733bd84a1e0f67da33aed5a1 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -294,7 +294,7 @@ pytz==2023.3
     # via flask-babel
 pytzdata==2020.1
     # via pendulum
-pyyaml==5.3.1
+pyyaml==6.0.1
     # via
     #   -r https://osm.etsi.org/gitweb/?p=osm/common.git;a=blob_plain;f=requirements.txt;hb=paas
     #   apispec
diff --git a/requirements.in b/requirements.in
index a5ec10eff067dc02b315007bd45971e7856ef1c1..be599a6366ab4894769dc4940efc664439aa40e3 100644
--- a/requirements.in
+++ b/requirements.in
@@ -27,4 +27,4 @@ prometheus-client
 python-ceilometerclient
 python-keystoneclient
 python-novaclient
-pyyaml==5.3.1
+pyyaml>6
diff --git a/requirements.txt b/requirements.txt
index a823607bb215ad948a3c8e00930c6c96b5e48ac7..95675f66d5eb332103b6e4f474420e18689f72c7 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -235,7 +235,7 @@ pytz==2023.3
     #   oslo-serialization
     #   oslo-utils
     #   pandas
-pyyaml==5.3.1
+pyyaml==6.0.1
     # via
     #   -r requirements.in
     #   cliff