diff --git a/MANIFEST.in b/MANIFEST.in
index 4bf4483..8afbefe 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -1 +1,2 @@
-include README.md
\ No newline at end of file
+include README.md
+include requirements.txt
diff --git a/README.md b/README.md
index a2d00b5..a66bad8 100644
--- a/README.md
+++ b/README.md
@@ -13,7 +13,7 @@ This is a Bayesian python toolbox for inference and forecast of the spread of th
 - [**Source code**](https://github.com/Priesemann-Group/covid19_inference)
 
 
-The latest stable version is [v0.2.0](https://github.com/Priesemann-Group/covid19_inference/tree/v0.2.0)!
+The latest stable version is [v0.3.1](https://github.com/Priesemann-Group/covid19_inference/tree/v0.3.1)!
 
 
 The research article [is available on arXiv](https://arxiv.org/abs/2004.01105) (**updated on April 13 2020**).
diff --git a/covid19_inference/_version.py b/covid19_inference/_version.py
index d3ec452..260c070 100644
--- a/covid19_inference/_version.py
+++ b/covid19_inference/_version.py
@@ -1 +1 @@
-__version__ = "0.2.0"
+__version__ = "0.3.1"
diff --git a/setup.py b/setup.py
index f24ebb1..fa6220b 100644
--- a/setup.py
+++ b/setup.py
@@ -2,6 +2,7 @@
 import re
 
 # read the contents of your README file
+import os
 from os import path
 
 with open("README.md") as f:
@@ -38,5 +39,5 @@ def parse_requirements(filename):
     long_description_content_type="text/markdown",
     python_requires=">=3.6.0",
     version=verstr,
-    install_requires=parse_requirements("requirements.txt"),
+    install_requires=parse_requirements("./requirements.txt"),
 )