diff --git a/src/index.js b/src/index.js
index 13de279..1e7771e 100644
--- a/src/index.js
+++ b/src/index.js
@@ -17,8 +17,8 @@ const heroku = process.env.HEROKU_APP_URL || "https://dmhacker-youtube.herokuapp
 const interactive_wait = !(process.env.DISABLE_INTERACTIVE_WAIT === "true" || 
                            process.env.DISABLE_INTERACTIVE_WAIT === true ||
                            process.env.DISABLE_INTERACTIVE_WAIT === 1);
-const cache_polling_interval = parseInt(process.env.CACHE_POLLING_INTERVAL || "5000", 10);
-const ask_interval = parseInt(process.env.ASK_INTERVAL || "45000", 10);
+const cache_polling_interval = Math.max(1000, parseInt(process.env.CACHE_POLLING_INTERVAL || "5000", 10));
+const ask_interval = Math.max(30000, parseInt(process.env.ASK_INTERVAL || "45000", 10));
 
 // Variables relating to videos waiting for user input
 var buffer_search = {};
diff --git a/src/package-lock.json b/src/package-lock.json
index f7f1dd5..7c90be1 100644
--- a/src/package-lock.json
+++ b/src/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "alexa-youtube-skill",
-  "version": "3.0.1",
+  "version": "3.0.2",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
diff --git a/src/package.json b/src/package.json
index c95e50a..dfad2d1 100644
--- a/src/package.json
+++ b/src/package.json
@@ -1,6 +1,6 @@
 {
   "name": "alexa-youtube-skill",
-  "version": "3.0.1",
+  "version": "3.0.2",
   "description": "Use Alexa to search YouTube for your favorite videos",
   "engines": {
     "node": "6.1.0"