diff --git a/challenges/basic-javascript.json b/challenges/basic-javascript.json
index 412c9dfdf7..7e2808499d 100644
--- a/challenges/basic-javascript.json
+++ b/challenges/basic-javascript.json
@@ -1,7 +1,7 @@
 {
   "name": "Basic JavaScript",
   "order": 6,
-  "time": "3h",
+  "time": "5h",
   "challenges": [
     {
       "id": "bd7123c9c441eddfaeb4bdef",
diff --git a/challenges/bootstrap.json b/challenges/bootstrap.json
index d38b8ece5d..c159a848e1 100644
--- a/challenges/bootstrap.json
+++ b/challenges/bootstrap.json
@@ -1,7 +1,7 @@
 {
   "name": "Responsive Design with Bootstrap",
   "order": 3,
-  "time": "2h",
+  "time": "5h",
   "challenges": [
     {
       "id": "bad87fee1348bd9acde08712",
diff --git a/challenges/gear-up-for-success.json b/challenges/gear-up-for-success.json
index 826db9bb3f..89438e904c 100644
--- a/challenges/gear-up-for-success.json
+++ b/challenges/gear-up-for-success.json
@@ -1,7 +1,7 @@
 {
   "name": "Gear up for Success",
   "order": 4,
-  "time": "10m",
+  "time": "20m",
   "challenges": [
     {
       "id": "560add65cb82ac38a17513c2",
diff --git a/challenges/html5-and-css.json b/challenges/html5-and-css.json
index 44e0fef5d0..f8f0b08fbb 100644
--- a/challenges/html5-and-css.json
+++ b/challenges/html5-and-css.json
@@ -1,7 +1,7 @@
 {
   "name": "HTML5 and CSS",
   "order": 2,
-  "time": "3h",
+  "time": "5h",
   "challenges": [
     {
       "id": "bd7123c8c441eddfaeb5bdef",
diff --git a/challenges/jquery.json b/challenges/jquery.json
index 31ef9ba867..976082a297 100644
--- a/challenges/jquery.json
+++ b/challenges/jquery.json
@@ -1,7 +1,7 @@
 {
   "name": "jQuery",
   "order": 5,
-  "time": "2h",
+  "time": "3h",
   "challenges": [
     {
       "id": "bad87fee1348bd9acdd08826",
diff --git a/challenges/json-apis-and-ajax.json b/challenges/json-apis-and-ajax.json
index 53d71fcf3c..a03fa1b9a8 100644
--- a/challenges/json-apis-and-ajax.json
+++ b/challenges/json-apis-and-ajax.json
@@ -1,7 +1,7 @@
 {
   "name": "JSON APIs and Ajax",
   "order": 10.5,
-  "time": "30m",
+  "time": "2h",
   "challenges": [
     {
       "id": "bb000000000000000000001",
diff --git a/challenges/object-oriented-and-functional-programming.json b/challenges/object-oriented-and-functional-programming.json
index af1a4ec728..68eb3f7c38 100644
--- a/challenges/object-oriented-and-functional-programming.json
+++ b/challenges/object-oriented-and-functional-programming.json
@@ -1,7 +1,7 @@
 {
   "name": "Object Oriented and Functional Programming",
   "order": 7,
-  "time": "1h",
+  "time": "2h",
   "note": [
     "Methods",
     "Closures",