diff --git a/paltas/__init__.py b/paltas/__init__.py
index 3f1aef29..452baa6c 100644
--- a/paltas/__init__.py
+++ b/paltas/__init__.py
@@ -1,6 +1,6 @@
 __author__ = 'Sebastian Wagner-Carena'
 __email__ = 'sebaswagner@outlook.com'
-__version__ = '0.0.3'
+__version__ = '0.0.4'
 
 # Analysis is not imported by default because it required tensorflow.
 
diff --git a/requirements.txt b/requirements.txt
index 03928b5c..48fec71a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-astropy>=4.2.1
+astropy>=4.0.0
 colossus
 drizzle>=1.13.3
 lenstronomy>=1.6.0
@@ -7,4 +7,4 @@ tqdm>=4.42.1
 pandas>=1.0.1
 numba>=0.52.0
 matplotlib>=3.3.3
-pyyaml
\ No newline at end of file
+pyyaml
diff --git a/setup.py b/setup.py
index 7e774ec9..6978c8d3 100644
--- a/setup.py
+++ b/setup.py
@@ -15,7 +15,7 @@
 
 setup(
 	name='paltas',
-	version='0.0.3',
+	version='0.0.4',
 	description='Strong lens substructure package.',
 	long_description=readme,
 	author='Sebastian Wagner-Carena',