diff --git a/recipe/meta.yaml b/recipe/meta.yaml
index 731b9be..5357723 100644
--- a/recipe/meta.yaml
+++ b/recipe/meta.yaml
@@ -1,5 +1,5 @@
 {% set name = "hpo-toolkit" %}
-{% set version = "0.1.3" %}
+{% set version = "0.1.3post0" %}
 
 package:
   name: {{ name|lower }}
diff --git a/src/hpotk/__init__.py b/src/hpotk/__init__.py
index 759cc05..d9f21b3 100644
--- a/src/hpotk/__init__.py
+++ b/src/hpotk/__init__.py
@@ -1,4 +1,4 @@
-__version__ = "0.1.3"
+__version__ = "0.1.3post0"
 
 from . import model
 from . import constants
@@ -6,4 +6,5 @@
 from . import ontology
 from . import algorithm
 from . import annotations
+from . import validate
 from . import util