diff --git a/.Rbuildignore b/.Rbuildignore
index c5d42cdd..3c1c15e6 100644
--- a/.Rbuildignore
+++ b/.Rbuildignore
@@ -6,3 +6,4 @@
 ^README\.Rmd$
 ^\.lintr$
 ^_pkgdown\.yml$
+^docs$
diff --git a/.gitignore b/.gitignore
index 5b6a0652..234f0289 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,3 +2,4 @@
 .Rhistory
 .RData
 .Ruserdata
+docs
diff --git a/NAMESPACE b/NAMESPACE
index fae41ade..a9557619 100644
--- a/NAMESPACE
+++ b/NAMESPACE
@@ -28,6 +28,7 @@ importFrom(ggplot2,position_dodge)
 importFrom(ggplot2,theme_gray)
 importFrom(ggplot2,xlab)
 importFrom(ggplot2,ylab)
+importFrom(ggridges,geom_density_ridges2)
 importFrom(posterior,as_draws_df)
 importFrom(posterior,mcse_mean)
 importFrom(posterior,mcse_median)
diff --git a/R/brm_package.R b/R/brm_package.R
index 9aa30d92..682ad019 100644
--- a/R/brm_package.R
+++ b/R/brm_package.R
@@ -25,6 +25,7 @@
 #' @importFrom emmeans emmeans
 #' @importFrom ggplot2 aes facet_wrap geom_point geom_errorbar ggplot
 #'   position_dodge theme_gray xlab ylab
+#' @importFrom ggridges geom_density_ridges2
 #' @importFrom MASS mvrnorm
 #' @importFrom posterior as_draws_df mcse_mean mcse_median mcse_quantile
 #'   mcse_sd
@@ -50,7 +51,8 @@ globalVariables(
     "upper",
     "source",
     "group",
-    "time"
+    "time",
+    "value"
   ),
   package = "brms.mmrm"
 )