diff --git a/requirements.txt b/requirements.txt
index a4adaf730..de81fdffa 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -28,7 +28,7 @@ jsonschema!=2.5.0,<3.0.0,>=2.0.0 # MIT
 python-cinderclient!=1.7.0,!=1.7.1,>=1.6.0 # Apache-2.0
 keystoneauth1>=2.10.0 # Apache-2.0
 python-neutronclient>=5.1.0 # Apache-2.0
-python-glanceclient!=2.4.0,>=2.0.0 # Apache-2.0
+python-glanceclient!=2.4.0,>=2.3.0 # Apache-2.0
 requests>=2.10.0 # Apache-2.0
 six>=1.9.0 # MIT
 stevedore>=1.16.0 # Apache-2.0
@@ -37,7 +37,7 @@ websockify>=0.8.0 # LGPLv3
 oslo.cache>=1.5.0 # Apache-2.0
 oslo.concurrency>=3.8.0 # Apache-2.0
 oslo.config>=3.14.0 # Apache-2.0
-oslo.context>=2.6.0 # Apache-2.0
+oslo.context>=2.9.0 # Apache-2.0
 oslo.log>=1.14.0 # Apache-2.0
 oslo.reports>=0.6.0 # Apache-2.0
 oslo.serialization>=1.10.0 # Apache-2.0
@@ -49,7 +49,7 @@ oslo.policy>=1.9.0 # Apache-2.0
 oslo.privsep>=1.9.0 # Apache-2.0
 oslo.i18n>=2.1.0 # Apache-2.0
 oslo.service>=1.10.0 # Apache-2.0
-rfc3986>=0.2.0 # Apache-2.0
+rfc3986>=0.2.2 # Apache-2.0
 oslo.middleware>=3.0.0 # Apache-2.0
 psutil<2.0.0,>=1.1.1 # BSD
 oslo.versionedobjects>=1.13.0 # Apache-2.0