diff --git a/plots.R b/plots.R
index 152e1ff..536a1c0 100644
--- a/plots.R
+++ b/plots.R
@@ -2,6 +2,7 @@
 
 suppressPackageStartupMessages({
     library(ggplot2)
+    library(dplyr)
 })
 
 wells_all <- read.csv("rnai-p_values.csv") %>%