diff --git a/app/ui.r b/app/ui.r
index 1215e0dcbca4ed191c88e87243941da5e164d190..98b46cf709ef1b6f98b0b6b867bce7ca826185db 100644
--- a/app/ui.r
+++ b/app/ui.r
@@ -18,7 +18,7 @@ shinyUI(fluidPage(
   tags$p(tags$strong("Contact:"), tags$a("Sergio Triana,", href = "mailto:triana@embl.de"), 
          " at EMBL Heidelberg"),
   tags$p("Please use Google Chrome when running the app and wait a couple of minutes while the data loads, in the meantime you can check the following tutorial", 
-         tags$a("video.", href="https://vimeo.com/559920776", target="_blank")),
+         tags$a("video.", href="https://vimeo.com/578681345", target="_blank")),
   fluidRow(
     column(5,uiOutput('Select_Experiment'),
            ),
diff --git a/packages.R b/packages.R
index 9f1d6791106e15adc443bb5b4a90db9cd3c8e8ea..dd704392c1872958400460e3764b99d6318da4af 100644
--- a/packages.R
+++ b/packages.R
@@ -29,4 +29,4 @@ install.packages("future")
 install.packages(c("sp", "polyclip"))
 if (!requireNamespace("BiocManager", quietly = TRUE))
   install.packages("BiocManager")
-install.packages('Seurat')
+remotes::install_version("Seurat", version = "3.2.3")