diff --git a/Dockerfile b/Dockerfile
index f32c6a9fc41f1807ea419511c91ac6935ebf148e..cb02f36984159805acf5968d2be83bb7de5a40ea 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -192,7 +192,7 @@ RUN Rscript -e 'devtools::install_github(c("immunogenomics/harmony", "LTLA/beach
 # install github packages
 RUN Rscript -e 'devtools::install_github(c("Vivianstats/scImpute", "theislab/kBET", "kieranrcampbell/ouija", "hemberg-lab/scfind"),upgrade = "never")'
 
-
+RUN Rscript -e 'BiocManager::install(c("slingshot"),update = FALSE)'
 
 # download data and extra files from S3
 COPY ./poststart.sh /home/jovyan