diff --git a/config_defaults.yml b/config_defaults.yml
index 0a34ff66..d32f6caf 100644
--- a/config_defaults.yml
+++ b/config_defaults.yml
@@ -5,6 +5,10 @@
     env: PUPPET_VERSION="~> 3.0" STRICT_VARIABLES="yes" CHECK=test
   - rvm: 2.1.8
     env: PUPPET_VERSION="~> 3.0" STRICT_VARIABLES="yes" CHECK=test
+  - rvm: 1.9.3
+    env: PUPPET_VERSION="~> 3.0" STRICT_VARIABLES="yes" CHECK=test FUTURE_PARSER=yes
+  - rvm: 2.1.8
+    env: PUPPET_VERSION="~> 3.0" STRICT_VARIABLES="yes" CHECK=test FUTURE_PARSER=yes
   - rvm: 2.1.8
     env: PUPPET_VERSION="~> 4.0" STRICT_VARIABLES="yes" CHECK=test
   - rvm: 2.2.4