diff --git a/requirements.txt b/requirements.txt
index d567082..f41d2a7 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -9,17 +9,17 @@
 netaddr!=0.7.16,>=0.7.12 # BSD
 testrepository>=0.0.18 # Apache-2.0/BSD
 pyOpenSSL>=0.14 # Apache-2.0
-oslo.concurrency>=3.5.0 # Apache-2.0
+oslo.concurrency>=3.8.0 # Apache-2.0
 oslo.config>=3.9.0 # Apache-2.0
 oslo.i18n>=2.1.0 # Apache-2.0
 oslo.log>=1.14.0 # Apache-2.0
 oslo.serialization>=1.10.0 # Apache-2.0
 oslo.utils>=3.5.0 # Apache-2.0
 six>=1.9.0 # MIT
-fixtures<2.0,>=1.3.1 # Apache-2.0/BSD
+fixtures>=3.0.0 # Apache-2.0/BSD
 testscenarios>=0.4 # Apache-2.0/BSD
 PyYAML>=3.1.0 # MIT
 stevedore>=1.10.0 # Apache-2.0
 PrettyTable<0.8,>=0.7 # BSD
-os-testr>=0.4.1 # Apache-2.0
+os-testr>=0.7.0 # Apache-2.0
 urllib3>=1.15.1 # MIT
diff --git a/test-requirements.txt b/test-requirements.txt
index 9ef956a..763f0ba 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -7,6 +7,6 @@
 python-subunit>=0.0.18 # Apache-2.0/BSD
 oslosphinx!=3.4.0,>=2.5.0 # Apache-2.0
 reno>=1.6.2 # Apache2
-mock>=1.2 # BSD
+mock>=2.0 # BSD
 coverage>=3.6 # Apache-2.0
 oslotest>=1.10.0 # Apache-2.0