diff --git a/README.md b/README.md
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@@ -3,4 +3,4 @@
 Example project using Lattice ICE40 parts and [icestorm](http://www.clifford.at/icestorm/) toolchain.
 
 On Ubuntu 18.04.5 LTS, the build dependencies can be installed with:  
-`sudo apt install iverilog yosys verilator`
+`sudo apt install iverilog yosys verilator gtkwave`