diff --git a/plugins/ExamplePlugin/plugin.json b/plugins/ExamplePlugin/plugin.json
index 4c96cf36c0a636d415c943edc1e7b40f70a8418b..fa7146981534e9b04a0f294d8ca1ec00fe6b4999 100644
--- a/plugins/ExamplePlugin/plugin.json
+++ b/plugins/ExamplePlugin/plugin.json
@@ -4,7 +4,7 @@
   "description": "Piwik Platform showcase: how to create widgets, menus, scheduled tasks, a custom archiver, plugin tests, and a AngularJS component.",
   "theme": false,
   "require": {
-    "piwik": ">=PIWIK_VERSION"
+    "piwik": ">=PIWIK_VERSION,<3.0.0-b1"
   },
   "authors": [
     {
diff --git a/plugins/ExampleTheme/plugin.json b/plugins/ExampleTheme/plugin.json
index c07d6800979f6495575383815ce1e42598ce7d00..92b17918ec6bda11c80eafaa74eb69645df49430 100644
--- a/plugins/ExampleTheme/plugin.json
+++ b/plugins/ExampleTheme/plugin.json
@@ -3,6 +3,9 @@
     "description": "Piwik Platform showcase: example of how to create a simple Theme.",
     "version": "0.1.0",
     "theme": true,
+    "require": {
+       "piwik": ">=PIWIK_VERSION,<3.0.0-b1"
+    },
     "stylesheet": "stylesheets/theme.less",
     "homepage": "",
     "license": "GPL v3+",