diff --git a/etc/requirements.txt b/etc/requirements.txt
index 9d4d2e28..5c189006 100644
--- a/etc/requirements.txt
+++ b/etc/requirements.txt
@@ -1,3 +1,6 @@
+# Incompatible with earlier PIP versions
+pip>=7.0.3
+
 # Logging
 Logbook==0.9.1
 
diff --git a/etc/requirements_dev.txt b/etc/requirements_dev.txt
index 9cc613c5..6e1caa27 100644
--- a/etc/requirements_dev.txt
+++ b/etc/requirements_dev.txt
@@ -23,7 +23,7 @@ mistune==0.5.1
 # Example scripts that are run during unit tests use the following:
 
 # Required by tornado
-"backports.ssl-match-hostname==3.4.0.2;python_version<'3.0'"
+backports.ssl-match-hostname==3.4.0.2;python_version<'3.0'
 certifi==2015.4.28
 
 # tornado and pyparsing are required by matplotlib