diff --git a/plugins/legacy_browser/composer.json b/plugins/legacy_browser/composer.json
new file mode 100644
index 000000000..edcfdbafe
--- /dev/null
+++ b/plugins/legacy_browser/composer.json
@@ -0,0 +1,24 @@
+{
+    "name": "roundcube/legacy_browser",
+    "type": "roundcube-plugin",
+    "description": "Legacy browser (IE 7/8, Firefox < 4) support",
+    "license": "GPLv3+",
+    "version": "1.0",
+    "authors": [
+        {
+            "name": "Aleksander Machniak",
+            "email": "alec@alec.pl",
+            "role": "Lead"
+        }
+    ],
+    "repositories": [
+        {
+            "type": "composer",
+            "url": "http://plugins.roundcube.net"
+        }
+    ],
+    "require": {
+        "php": ">=5.3.0",
+        "roundcube/plugin-installer": ">=0.1.3"
+    }
+}
diff --git a/plugins/password/composer.json b/plugins/password/composer.json
new file mode 100644
index 000000000..3aba2a2ba
--- /dev/null
+++ b/plugins/password/composer.json
@@ -0,0 +1,24 @@
+{
+    "name": "roundcube/password",
+    "type": "roundcube-plugin",
+    "description": "Password Change for Roundcube. Plugin adds a possibility to change user password using many methods (drivers) via Settings/Password tab.",
+    "license": "GPLv3+",
+    "version": "3.5",
+    "authors": [
+        {
+            "name": "Aleksander Machniak",
+            "email": "alec@alec.pl",
+            "role": "Lead"
+        }
+    ],
+    "repositories": [
+        {
+            "type": "composer",
+            "url": "http://plugins.roundcube.net"
+        }
+    ],
+    "require": {
+        "php": ">=5.3.0",
+        "roundcube/plugin-installer": ">=0.1.3"
+    }
+}
diff --git a/plugins/squirrelmail_usercopy/composer.json b/plugins/squirrelmail_usercopy/composer.json
new file mode 100644
index 000000000..c60a499d2
--- /dev/null
+++ b/plugins/squirrelmail_usercopy/composer.json
@@ -0,0 +1,24 @@
+{
+    "name": "roundcube/squirrelmail_usercopy",
+    "type": "roundcube-plugin",
+    "description": "Copy a new users identity and settings from a nearby Squirrelmail installation",
+    "license": "GPLv3+",
+    "version": "1.4",
+    "authors": [
+        {
+            "name": "Thomas Bruederli",
+            "email": "roundcube@gmail.com",
+            "role": "Lead"
+        }
+    ],
+    "repositories": [
+        {
+            "type": "composer",
+            "url": "http://plugins.roundcube.net"
+        }
+    ],
+    "require": {
+        "php": ">=5.3.0",
+        "roundcube/plugin-installer": ">=0.1.3"
+    }
+}