diff --git a/README.md b/README.md
index 78fc932..09d5dc3 100644
--- a/README.md
+++ b/README.md
@@ -51,6 +51,14 @@ No, you must run the command from the source Piwik server (the server which cont
 
 ## Changelog
 
+**v1.0.4**
+
+- [#3](https://github.com/PiwikPRO/plugin-SiteMigration/issues/3): fixed `--db-prefix` option
+
+**v1.0.3**
+
+- Documentation update
+
 **v1.0.2**
 
 - Documentation update & fixed bug when archive_blob tables are not found 
diff --git a/plugin.json b/plugin.json
index 880aab3..26b2892 100644
--- a/plugin.json
+++ b/plugin.json
@@ -1,6 +1,6 @@
 {
     "name": "SiteMigration",
-    "version": "1.0.3",
+    "version": "1.0.4",
     "description": "Migrate site and site data between Piwik installations",
     "keywords": ["migration", "import", "export"],
     "homepage": "https://github.com/PiwikPRO/plugin-SiteMigration",
@@ -9,7 +9,7 @@
     "license_page": "http://www.gnu.org/licenses/gpl.html",
     "require": {
         "php": ">=5.3.0",
-        "piwik": ">=2.9.0-b9"
+        "piwik": ">=2.9.1-b1"
     },
     "authors": [
         {