diff --git a/requirements.txt b/requirements.txt
index 1c3a53e..f4e7e28 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,10 +1,13 @@
-CairoSVG~=2.5.0
+CairoSVG>=2.5.0
 colour~=0.1.5
+logging>=0.4.9.6
 numpy>=1.18.1
 Pillow>=8.2.0
 portolan~=1.0.1
 pycairo
 pytest~=6.2.2
 PyYAML>=4.2b1
+setuptools>=51.0.0
+Shapely>=1.7.1
 svgwrite~=1.4
 urllib3>=1.25.6