diff --git a/activities/Activity1/activity1_schema b/activities/Activity1/activity1_schema
index b10a67d..762840f 100644
--- a/activities/Activity1/activity1_schema
+++ b/activities/Activity1/activity1_schema
@@ -1,7 +1,7 @@
 {
     "@context": [ "https://raw.githubusercontent.com/ReproNim/reproschema/1.0.0/contexts/reproschema",
         {
-            "rl": "https://raw.githubusercontent.com/ReproNim/reproschema-library/master/activities/"
+            "rl": "https://raw.githubusercontent.com/ReproNim/reproschema-library/main/activities/"
         }
     ],
     "@type": "reproschema:Activity",
diff --git a/activities/Activity2/items/language_item b/activities/Activity2/items/language_item
index 989aa51..bad86e9 100644
--- a/activities/Activity2/items/language_item
+++ b/activities/Activity2/items/language_item
@@ -13,6 +13,6 @@
     "responseOptions": {
         "valueType": "xsd:string",
         "multipleChoice": true,
-        "choices": "https://raw.githubusercontent.com/ReproNim/reproschema-library/master/resources/languages.json"
+        "choices": "https://raw.githubusercontent.com/ReproNim/reproschema-library/main/resources/languages.json"
     }
 }