diff --git a/lower-constraints.txt b/lower-constraints.txt
index 41e7c545..d0ad1fab 100644
--- a/lower-constraints.txt
+++ b/lower-constraints.txt
@@ -23,7 +23,7 @@ keystonemiddleware==4.17.0
 linecache2==1.0.0
 logilab-common==1.4.1
 Mako==1.0.7
-MarkupSafe==1.0
+MarkupSafe==1.1.1
 monotonic==1.4
 msgpack==0.5.6
 netaddr==0.7.19
@@ -33,7 +33,7 @@ os-api-ref==1.4.0
 oslo.cache==1.29.0
 oslo.config==5.2.0
 oslo.context==2.19.2
-oslo.db==4.27.0
+oslo.db==4.44.0
 oslo.i18n==3.15.3
 oslo.log==3.36.0
 oslo.middleware==3.31.0
@@ -57,7 +57,7 @@ python-keystoneclient==3.15.0
 python-mimeparse==1.6.0
 python-subunit==1.2.0
 pytz==2018.3
-PyYAML==3.12
+PyYAML==3.13
 reno==2.5.0
 requests==2.18.4
 rfc3986==1.1.0
diff --git a/requirements.txt b/requirements.txt
index 9b8aae76..713ff3d0 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -9,7 +9,7 @@ Paste>=2.0.2 # MIT
 PasteDeploy>=1.5.0 # MIT
 oslo.config>=5.2.0 # Apache-2.0
 oslo.context>=2.19.2 # Apache-2.0
-oslo.db>=4.27.0 # Apache-2.0
+oslo.db>=4.44.0 # Apache-2.0
 oslo.i18n>=3.15.3 # Apache-2.0
 oslo.log>=3.36.0 # Apache-2.0
 oslo.middleware>=3.31.0 # Apache-2.0