diff --git a/requirements.txt b/requirements.txt
index 0fe1e090b..5f6e6b282 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -15,4 +15,4 @@ oslo.utils>=3.18.0 # Apache-2.0
 requests!=2.12.2,>=2.10.0 # Apache-2.0
 retrying!=1.3.0,>=1.2.3 # Apache-2.0
 six>=1.9.0 # MIT
-os-win>=1.3.0 # Apache-2.0
+os-win>=1.4.0 # Apache-2.0
diff --git a/test-requirements.txt b/test-requirements.txt
index 42fccba28..3f6ebdae8 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -14,5 +14,5 @@ testrepository>=0.0.18 # Apache-2.0/BSD
 testscenarios>=0.4 # Apache-2.0/BSD
 testtools>=1.4.0 # MIT
 os-testr>=0.8.0 # Apache-2.0
-oslo.vmware>=2.15.0 # Apache-2.0
+oslo.vmware>=2.17.0 # Apache-2.0
 castellan>=0.4.0 # Apache-2.0