diff --git a/requirements.txt b/requirements.txt
index fbbf7aa2..6f2954fb 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,4 +8,4 @@ python-keystoneclient!=1.8.0,!=2.1.0,>=1.7.0 # Apache-2.0
 cliff!=1.16.0,!=1.17.0,>=1.15.0 # Apache-2.0
 oslo.i18n>=2.1.0 # Apache-2.0
 oslo.serialization>=1.10.0 # Apache-2.0
-oslo.utils>=3.5.0 # Apache-2.0
+oslo.utils>=3.11.0 # Apache-2.0
diff --git a/test-requirements.txt b/test-requirements.txt
index 5e612fbd..6d5ec474 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -4,9 +4,9 @@
 coverage>=3.6 # Apache-2.0
 discover # BSD
 hacking<0.11,>=0.10.0
-fixtures<2.0,>=1.3.1 # Apache-2.0/BSD
+fixtures>=3.0.0 # Apache-2.0/BSD
 requests-mock>=0.7.0 # Apache-2.0
-mock>=1.2 # BSD
+mock>=2.0 # BSD
 testrepository>=0.0.18 # Apache-2.0/BSD
 testtools>=1.4.0 # MIT
 oslotest>=1.10.0 # Apache-2.0