diff --git a/DESCRIPTION b/DESCRIPTION
index 3737328..c9f5b7d 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -48,6 +48,7 @@ Suggests:
     dplyr,
     KernSmooth,
     knitr,
+    R.rsp,
     nlmixr2,
     shiny,
     remotes,
@@ -58,5 +59,5 @@ Suggests:
 License: MIT + file LICENSE
 LazyData: true
 Encoding: UTF-8
-VignetteBuilder: knitr
-RoxygenNote: 7.2.3
+VignetteBuilder: R.rsp
+RoxygenNote: 7.3.2
diff --git a/LICENSE b/LICENSE
index 356fd48..e87fa98 100644
--- a/LICENSE
+++ b/LICENSE
@@ -1,2 +1,2 @@
-YEAR: 2018 - 2022
+YEAR: 2018 - 2024
 COPYRIGHT HOLDER: Samer Mouksassi
diff --git a/vignettes/tidyvpc_cat.pdf b/vignettes/tidyvpc_cat.pdf
new file mode 100644
index 0000000..6e2b1bf
Binary files /dev/null and b/vignettes/tidyvpc_cat.pdf differ
diff --git a/vignettes/tidyvpc_cat.pdf.asis b/vignettes/tidyvpc_cat.pdf.asis
new file mode 100644
index 0000000..52cff26
--- /dev/null
+++ b/vignettes/tidyvpc_cat.pdf.asis
@@ -0,0 +1,6 @@
+%\VignetteIndexEntry{Introduction to categorical VPC}
+%\VignetteEngine{R.rsp::asis}
+%\VignetteEncoding{UTF-8}
+%\VignetteKeyword{example}
+%\VignetteKeyword{static}
+%\VignetteKeyword{PDF}
diff --git a/vignettes/tidyvpc_cont.pdf b/vignettes/tidyvpc_cont.pdf
new file mode 100644
index 0000000..0f36ba2
Binary files /dev/null and b/vignettes/tidyvpc_cont.pdf differ
diff --git a/vignettes/tidyvpc_cont.pdf.asis b/vignettes/tidyvpc_cont.pdf.asis
new file mode 100644
index 0000000..db354a3
--- /dev/null
+++ b/vignettes/tidyvpc_cont.pdf.asis
@@ -0,0 +1,6 @@
+%\VignetteIndexEntry{Introduction to continuous VPC}
+%\VignetteEngine{R.rsp::asis}
+%\VignetteEncoding{UTF-8}
+%\VignetteKeyword{example}
+%\VignetteKeyword{static}
+%\VignetteKeyword{PDF}
diff --git a/vignettes/tidyvpc_nlmixr2.pdf b/vignettes/tidyvpc_nlmixr2.pdf
new file mode 100644
index 0000000..3a2c731
Binary files /dev/null and b/vignettes/tidyvpc_nlmixr2.pdf differ
diff --git a/vignettes/tidyvpc_nlmixr2.pdf.asis b/vignettes/tidyvpc_nlmixr2.pdf.asis
new file mode 100644
index 0000000..fdb5ab9
--- /dev/null
+++ b/vignettes/tidyvpc_nlmixr2.pdf.asis
@@ -0,0 +1,6 @@
+%\VignetteIndexEntry{tidyvpc with nlmixr2}
+%\VignetteEngine{R.rsp::asis}
+%\VignetteEncoding{UTF-8}
+%\VignetteKeyword{example}
+%\VignetteKeyword{static}
+%\VignetteKeyword{PDF}