diff --git a/drudge/__init__.py b/drudge/__init__.py
index a3bc1f3..a5f5c44 100644
--- a/drudge/__init__.py
+++ b/drudge/__init__.py
@@ -20,7 +20,7 @@
 from .report import Report, ScalarLatexPrinter
 from .utils import sum_, prod_, Stopwatch
 
-__version__ = '0.9.0dev0'
+__version__ = '0.9.0'
 
 __all__ = [
     # Canonpy.
diff --git a/setup.py b/setup.py
index 7786bcd..ea24d7e 100644
--- a/setup.py
+++ b/setup.py
@@ -40,7 +40,7 @@
 
 setup(
     name='drudge',
-    version='0.9.0dev0',
+    version='0.9.0',
     description=DESCRIPTION.splitlines()[0],
     long_description=DESCRIPTION,
     url='https://github.com/tschijnmo/drudge',