diff --git a/requirements.txt b/requirements.txt
index 16479a2848..36c40af6b9 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -30,7 +30,7 @@ oslo.middleware>=3.0.0 # Apache-2.0
 oslo.policy>=0.5.0 # Apache-2.0
 oslo.serialization>=1.10.0 # Apache-2.0
 oslo.service>=1.10.0 # Apache-2.0
-oslo.utils>=3.5.0 # Apache-2.0
+oslo.utils>=3.9.0 # Apache-2.0
 pecan>=1.0.0 # BSD
 requests>=2.10.0 # Apache-2.0
 six>=1.9.0 # MIT
diff --git a/test-requirements.txt b/test-requirements.txt
index a470e5ed53..e65ec8e14a 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -4,7 +4,7 @@
 hacking<0.11,>=0.10.0
 coverage>=3.6 # Apache-2.0
 doc8 # Apache-2.0
-fixtures>=3.0.0 # Apache-2.0/BSD
+fixtures<2.0,>=1.3.1 # Apache-2.0/BSD
 mock>=2.0 # BSD
 Babel>=2.3.4 # BSD
 PyMySQL>=0.6.2 # MIT License