diff --git a/MANIFEST.in b/MANIFEST.in
index 58b62418..4771a142 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -1,3 +1,4 @@
+include requirements/*.txt
 include mmocr/model_zoo.yml
 recursive-include mmocr/configs *.py *.yml
 recursive-include mmocr/tools *.sh *.py
diff --git a/requirements/runtime.txt b/requirements/runtime.txt
index 60239cd8..b7b96d82 100644
--- a/requirements/runtime.txt
+++ b/requirements/runtime.txt
@@ -4,6 +4,8 @@ lmdb
 matplotlib
 numba>=0.45.1
 numpy
+Polygon3
+pyclipper
 rapidfuzz
 scikit-image
 six