updated library dependencies

Author: csgoh

README.md

@@ -30,8 +30,10 @@ View the [Change Logs](https://github.com/csgoh/roadmapper/wiki/Change-Logs) to
 * Python 3.10+
 
 ### Library Dependencies
-* Pillow 9.5.0
-* python-dateutil 2.8.2
+* python-dateutil >= 2.8.2
+* Pillow >= 10.0.0
+* drawsvg >= 2.2.0
+
 
 Any feedback or suggestions are welcome. Please feel free to create an issue or pull request.
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