diff --git a/requirements.txt b/requirements.txt
index 77f5f6d2..550f9c6b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -10,8 +10,8 @@ openstacksdk>=0.9.19 # Apache-2.0
 osc-lib>=1.7.0 # Apache-2.0
 oslo.i18n>=3.15.3 # Apache-2.0
 oslo.serialization!=2.19.1,>=2.18.0 # Apache-2.0
-oslo.utils>=3.28.0 # Apache-2.0
+oslo.utils>=3.31.0 # Apache-2.0
 python-heatclient>=1.10.0 # Apache-2.0
 PyYAML>=3.10 # MIT
 requests>=2.14.2 # Apache-2.0
-six>=1.9.0 # MIT
+six>=1.10.0 # MIT
diff --git a/test-requirements.txt b/test-requirements.txt
index 0b62e6b6..ce8d1ce0 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -14,5 +14,5 @@ setuptools!=24.0.0,!=34.0.0,!=34.0.1,!=34.0.2,!=34.0.3,!=34.1.0,!=34.1.1,!=34.2.
 sphinx>=1.6.2 # BSD
 testrepository>=0.0.18 # Apache-2.0/BSD
 testscenarios>=0.4 # Apache-2.0/BSD
-testtools>=1.4.0 # MIT
+testtools>=2.2.0 # MIT
 reno>=2.5.0 # Apache-2.0