diff --git a/R/save_eps.R b/R/save_eps.R
index a68445c..c0fdc7a 100644
--- a/R/save_eps.R
+++ b/R/save_eps.R
@@ -14,6 +14,7 @@
 #'
 #' @examples
 #' # Creating theme for ggplot2 graph using default arguments
+#' library(ggplot2)
 #' fig_raw <- ggplot() +
 #'   geom_col(data = mtcars, aes(x = hp , y = mpg, fill = cyl)) +
 #'   theme_ipea()
diff --git a/R/scale_ipea.R b/R/scale_ipea.R
index f9a3b36..d65e203 100644
--- a/R/scale_ipea.R
+++ b/R/scale_ipea.R
@@ -33,6 +33,7 @@
 #'
 #' @examples
 #' # Creating scale for ggplot2 graph using default arguments
+#' library(ggplot2)
 #' fig_raw <- ggplot() +
 #'   geom_point(data = mtcars, aes(x = hp , y = mpg, color = cyl)) +
 #'   scale_color_ipea()
@@ -194,6 +195,7 @@ ggplot_add.scale_ipea_color <- function(object, plot, object_name, ...){
 #'
 #' @examples
 #' # Creating scale for ggplot2 graph using default arguments
+#' library(ggplot2)
 #' fig_raw <- ggplot() +
 #'   geom_col(data = mtcars, aes(x = hp , y = mpg, fill = cyl)) +
 #'   scale_fill_ipea()
diff --git a/R/theme_ipea.R b/R/theme_ipea.R
index 2726bcc..9b548c5 100644
--- a/R/theme_ipea.R
+++ b/R/theme_ipea.R
@@ -37,6 +37,7 @@
 #'
 #' @examples
 #' # Creating theme for ggplot2 graph using default arguments
+#' library(ggplot2)
 #' fig_raw <- ggplot() +
 #'   geom_col(data = mtcars, aes(x = hp , y = mpg, fill = cyl)) +
 #'   theme_ipea()
diff --git a/man/save_eps.Rd b/man/save_eps.Rd
index bc9a1e5..831d1d1 100644
--- a/man/save_eps.Rd
+++ b/man/save_eps.Rd
@@ -22,6 +22,7 @@ Convenient function to save charts in Eps format.
 }
 \examples{
 # Creating theme for ggplot2 graph using default arguments
+library(ggplot2)
 fig_raw <- ggplot() +
   geom_col(data = mtcars, aes(x = hp , y = mpg, fill = cyl)) +
   theme_ipea()
diff --git a/man/scale_color_ipea.Rd b/man/scale_color_ipea.Rd
index 2e864cf..0aa5784 100644
--- a/man/scale_color_ipea.Rd
+++ b/man/scale_color_ipea.Rd
@@ -57,6 +57,7 @@ Research - Ipea.
 }
 \examples{
 # Creating scale for ggplot2 graph using default arguments
+library(ggplot2)
 fig_raw <- ggplot() +
   geom_point(data = mtcars, aes(x = hp , y = mpg, color = cyl)) +
   scale_color_ipea()
diff --git a/man/scale_fill_ipea.Rd b/man/scale_fill_ipea.Rd
index 8c21952..5521e7b 100644
--- a/man/scale_fill_ipea.Rd
+++ b/man/scale_fill_ipea.Rd
@@ -57,6 +57,7 @@ Economic Research (IPEA)
 }
 \examples{
 # Creating scale for ggplot2 graph using default arguments
+library(ggplot2)
 fig_raw <- ggplot() +
   geom_col(data = mtcars, aes(x = hp , y = mpg, fill = cyl)) +
   scale_fill_ipea()
diff --git a/man/theme_ipea.Rd b/man/theme_ipea.Rd
index 77b489b..dc09b6e 100644
--- a/man/theme_ipea.Rd
+++ b/man/theme_ipea.Rd
@@ -69,6 +69,7 @@ function includes standardized formatting of options for axis lines, text,
 }
 \examples{
 # Creating theme for ggplot2 graph using default arguments
+library(ggplot2)
 fig_raw <- ggplot() +
   geom_col(data = mtcars, aes(x = hp , y = mpg, fill = cyl)) +
   theme_ipea()