diff --git a/inst/doc/applying_twdtw.R b/inst/doc/applying_twdtw.R
index 62b3fe7..b97ec0b 100644
--- a/inst/doc/applying_twdtw.R
+++ b/inst/doc/applying_twdtw.R
@@ -35,6 +35,7 @@ library(dtwSat)
 library(ggplot2)
 library(scales)
 library(Hmisc)
+library(reshape2)
 
 new_theme = theme_get()
 new_theme$text$family = "Helvetica"
diff --git a/inst/doc/applying_twdtw.Rmd b/inst/doc/applying_twdtw.Rmd
index 7c8ae09..b40a001 100644
--- a/inst/doc/applying_twdtw.Rmd
+++ b/inst/doc/applying_twdtw.Rmd
@@ -93,6 +93,7 @@ library(dtwSat)
 library(ggplot2)
 library(scales)
 library(Hmisc)
+library(reshape2)
 
 new_theme = theme_get()
 new_theme$text$family = "Helvetica"
diff --git a/inst/doc/applying_twdtw.pdf b/inst/doc/applying_twdtw.pdf
index a7992c1..d578b84 100644
Binary files a/inst/doc/applying_twdtw.pdf and b/inst/doc/applying_twdtw.pdf differ
diff --git a/vignettes/applying_twdtw.Rmd b/vignettes/applying_twdtw.Rmd
index 7c8ae09..b40a001 100644
--- a/vignettes/applying_twdtw.Rmd
+++ b/vignettes/applying_twdtw.Rmd
@@ -93,6 +93,7 @@ library(dtwSat)
 library(ggplot2)
 library(scales)
 library(Hmisc)
+library(reshape2)
 
 new_theme = theme_get()
 new_theme$text$family = "Helvetica"