diff --git a/data-raw/ames_housing.R b/data-raw/ames_housing.R
index 75b67e1..464de3a 100644
--- a/data-raw/ames_housing.R
+++ b/data-raw/ames_housing.R
@@ -1,3 +1,6 @@
-url = "https://raw.githubusercontent.com/ja-thomas/extend_ames_housing/main/data/ames_dirty.csv"
-ames_housing = data.table::fread(url, stringsAsFactors = TRUE)
+requireNamespace("rprojroot")
+requireNamespace("data.table")
+root = rprojroot::find_package_root_file()
+
+ames_housing = data.table::fread(file.path(root, "data-raw", "ames_housing.csv.bz2"), stringsAsFactors = TRUE)
 usethis::use_data(ames_housing, overwrite = TRUE, compress = "xz")
diff --git a/data-raw/ames_housing.csv.bz2 b/data-raw/ames_housing.csv.bz2
new file mode 100644
index 0000000..373a8bc
Binary files /dev/null and b/data-raw/ames_housing.csv.bz2 differ
diff --git a/data-raw/energy_usage.R b/data-raw/energy_usage.R
index 700ced0..a6e3d11 100644
--- a/data-raw/energy_usage.R
+++ b/data-raw/energy_usage.R
@@ -1,3 +1,6 @@
-url = "https://raw.githubusercontent.com/ja-thomas/extend_ames_housing/main/data/energy_usage.csv"
-energy_usage = data.table::fread(url, stringsAsFactors = TRUE)
+requireNamespace("rprojroot")
+requireNamespace("data.table")
+root = rprojroot::find_package_root_file()
+
+energy_usage = data.table::fread(file.path(root, "data-raw", "energy_usage.csv.bz2"), stringsAsFactors = TRUE)
 usethis::use_data(energy_usage, overwrite = TRUE, compress = "xz")
diff --git a/data-raw/energy_usage.csv.bz2 b/data-raw/energy_usage.csv.bz2
new file mode 100644
index 0000000..5c4d368
Binary files /dev/null and b/data-raw/energy_usage.csv.bz2 differ