1 files changed, 3 insertions, 0 deletions
diff --git a/main.tex b/main.tex
index cc720b1..6ae74c4 100644
--- a/main.tex
+++ b/main.tex
@@ -46,6 +46,9 @@
 \usepgfplotslibrary{external}
 \pgfplotsset{compat=1.16}
 \usepgfplotslibrary{colorbrewer}
+\usepgfplotslibrary{units}
+
+\usetikzlibrary{pgfplots.units}
 
 \tikzexternalize[prefix=tikzcache/]