diff --git a/src/Dockerfile b/src/Dockerfile
index ac070c1da91804bf212297fe521ea6e63471d789..b128335452d835e7c3e6a2a4cc8057a1883d2c24 100644
--- a/src/Dockerfile
+++ b/src/Dockerfile
@@ -17,4 +17,4 @@ RUN Rscript -e "install.packages('gifski')"
 RUN Rscript -e "install.packages('openxlsx')"
 
 #session4
-RUN Rscript -e "install.packages(c('ghibli', 'nycflights13'))"
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+RUN Rscript -e "install.packages(c('ghibli', 'nycflights13','viridis'))"
\ No newline at end of file