diff --git a/MANIFEST.in b/MANIFEST.in
index a28b828..258bca6 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -1 +1,2 @@
-include covjsonkit/data/*.json
\ No newline at end of file
+include covjsonkit/data/ecmwf/*.json
+include covjsonkit/data/dwd/*.json
\ No newline at end of file
diff --git a/setup.py b/setup.py
index 3e76b79..53e57ce 100644
--- a/setup.py
+++ b/setup.py
@@ -8,6 +8,8 @@
     io.open("covjsonkit/version.py", encoding="utf_8_sig").read(),
 ).group(1)
 
+with open("requirements.txt") as f:
+    requirements = f.read().splitlines()
 
 setup(
     name="covjsonkit",
@@ -21,5 +23,6 @@
     packages=find_packages(),
     zip_safe=False,
     include_package_data=True,
+    install_requires=requirements,
     package_data={"covjsonkit": ["data/*.json"]},
 )