diff --git a/requirements.txt b/requirements.txt
index cc6fd9dc8..7bee71b8d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -14,4 +14,4 @@ keystoneauth1>=2.1.0 # Apache-2.0
 requests!=2.9.0,>=2.8.1 # Apache-2.0
 simplejson>=2.2.0 # MIT
 six>=1.9.0 # MIT
-Babel>=1.3 # BSD
+Babel!=2.3.0,!=2.3.1,!=2.3.2,!=2.3.3,>=1.3 # BSD
diff --git a/test-requirements.txt b/test-requirements.txt
index a989350f5..76d549411 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -5,7 +5,7 @@ hacking<0.11,>=0.10.0
 
 coverage>=3.6 # Apache-2.0
 discover # BSD
-fixtures>=1.3.1 # Apache-2.0/BSD
+fixtures<2.0,>=1.3.1 # Apache-2.0/BSD
 mox3>=0.7.0 # Apache-2.0
 mock>=1.2 # BSD
 oslosphinx!=3.4.0,>=2.5.0 # Apache-2.0