diff --git a/README.md b/README.md
index 4aabb4f..1ca783b 100644
--- a/README.md
+++ b/README.md
@@ -1,3 +1,7 @@
 # range-testing
 
-For range testing with Quectel or Sierra modems
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+For range testing with Quectel or Sierra modems
+
+## Dependencies
+pyserial
+matplotlib
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