diff --git a/testament/important_packages.nim b/testament/important_packages.nim
index f2ce8fb255911..3018a21ffd56d 100644
--- a/testament/important_packages.nim
+++ b/testament/important_packages.nim
@@ -30,6 +30,7 @@ pkg "easygl", "nim c -o:egl -r src/easygl.nim", true, "https://github.com/jackmo
 pkg "elvis"
 pkg "fragments", "nim c -r fragments/dsl.nim"
 pkg "gara"
+pkg "ggplotnim", "nimble testCI", true
 pkg "glob"
 pkg "gnuplot"
 # pkg "godot", "nim c -r godot/godot.nim" # not yet compatible with Nim 0.19