Update version of PyYAML

Change-Id: Ibe3a0203e90e90cdbb54808abc8e46832702f498
Signed-off-by: Mark Beierl <mark.beierl@canonical.com>
diff --git a/requirements-dev.txt b/requirements-dev.txt
index 954b974..a5013a1 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -67,7 +67,7 @@
     # via
     #   -r https://osm.etsi.org/gitweb/?p=osm/N2VC.git;a=blob_plain;f=requirements.txt;hb=master
     #   requests
-juju==3.0.0
+juju==2.9.44.0
     # via -r https://osm.etsi.org/gitweb/?p=osm/N2VC.git;a=blob_plain;f=requirements.txt;hb=master
 jujubundlelib==0.5.7
     # via
@@ -154,7 +154,7 @@
     # via
     #   -r https://osm.etsi.org/gitweb/?p=osm/N2VC.git;a=blob_plain;f=requirements.txt;hb=master
     #   pyrfc3339
-pyyaml==5.4.1
+pyyaml==6.0.1
     # via
     #   -r https://osm.etsi.org/gitweb/?p=osm/N2VC.git;a=blob_plain;f=requirements.txt;hb=master
     #   -r https://osm.etsi.org/gitweb/?p=osm/common.git;a=blob_plain;f=requirements.txt;hb=master
diff --git a/requirements.in b/requirements.in
index cc55f0d..1dd93f6 100644
--- a/requirements.in
+++ b/requirements.in
@@ -34,6 +34,6 @@
 python-novaclient
 python-cinderclient==8.3.0
 pyvcloud
-pyyaml==5.4.1 # dependency comes from common
+pyyaml>6
 requests
 six
diff --git a/requirements.txt b/requirements.txt
index ee2bcae..89c705f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -265,7 +265,7 @@
     # via tzlocal
 pyvcloud==23.0.4
     # via -r requirements.in
-pyyaml==5.4.1
+pyyaml==6.0.1
     # via
     #   -r requirements.in
     #   cliff