diff --git a/requirements.txt b/requirements.txt
index d0419f7..415eaa5 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -12,7 +12,7 @@
 netaddr>=0.7.12
 testrepository>=0.0.18
 pyOpenSSL>=0.14
-oslo.concurrency>=2.1.0 # Apache-2.0
+oslo.concurrency>=2.3.0 # Apache-2.0
 oslo.config>=1.11.0 # Apache-2.0
 oslo.i18n>=1.5.0 # Apache-2.0
 oslo.log>=1.6.0 # Apache-2.0
diff --git a/test-requirements.txt b/test-requirements.txt
index 65e3531..2ea30ec 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -9,4 +9,4 @@
 mox>=0.5.3
 mock>=1.2
 coverage>=3.6
-oslotest>=1.7.0 # Apache-2.0
+oslotest>=1.9.0 # Apache-2.0