diff --git a/platformio/__init__.py b/platformio/__init__.py
index df358fd3..01219250 100644
--- a/platformio/__init__.py
+++ b/platformio/__init__.py
@@ -1,7 +1,7 @@
 # Copyright (C) Ivan Kravets <me@ikravets.com>
 # See LICENSE for details.
 
-VERSION = (0, 4, 0)
+VERSION = (1, 0, "0-dev")
 __version__ = ".".join([str(s) for s in VERSION])
 
 __title__ = "platformio"
diff --git a/platformio/util.py b/platformio/util.py
index 3604c84d..8fb6363b 100644
--- a/platformio/util.py
+++ b/platformio/util.py
@@ -53,7 +53,7 @@ def get_project_config():
 def get_platforms():
     platforms = []
     for p in listdir(join(get_source_dir(), "platforms")):
-        if p.startswith("_") or not p.endswith(".py"):
+        if p in ("__init__.py", "base.py") or not p.endswith(".py"):
             continue
         platforms.append(p[:-3])
     return platforms