diff --git a/.gitignore b/.gitignore
index 9af708a..37a75a3 100644
--- a/.gitignore
+++ b/.gitignore
@@ -49,6 +49,7 @@ po/*~
 rsconnect/
 
 _packageSetup.R
+app.R
 #docs
 readme.html
 
diff --git a/README.Rmd b/README.Rmd
index d2e7393..21c3108 100644
--- a/README.Rmd
+++ b/README.Rmd
@@ -38,7 +38,7 @@ You don't need to install the R package to use the model. All model parameters u
 
 - **Model parameters:** [RSYC_params.csv](https://raw.githubusercontent.com/ptompalski/RSYC/main/data-raw/RSYC_params.csv) 
 
-- **Tile grid:** [`RSYC_tiles.gpkg`](https://raw.githubusercontent.com/ptompalski/RSYC/main/data-raw/RSYC_tiles.gpkg)
+- **Tile grid:** [`RSYC_tiles.gpkg`](https://raw.githubusercontent.com/ptompalski/RSYC/main/inst/extdata/RSYC_tiles.gpkg)
 
 
 The RSYC model predicts above-ground biomass (AGB) as a function of stand age:
diff --git a/README.md b/README.md
index 8e3efde..0ebe3dd 100644
--- a/README.md
+++ b/README.md
@@ -50,7 +50,7 @@ parameters used in RSYC are available for direct download:
   [RSYC_params.csv](https://raw.githubusercontent.com/ptompalski/RSYC/main/data-raw/RSYC_params.csv)
 
 - **Tile grid:**
-  [`RSYC_tiles.gpkg`](https://raw.githubusercontent.com/ptompalski/RSYC/main/data-raw/RSYC_tiles.gpkg)
+  [`RSYC_tiles.gpkg`](https://raw.githubusercontent.com/ptompalski/RSYC/main/inst/extdata/RSYC_tiles.gpkg)
 
 The RSYC model predicts above-ground biomass (AGB) as a function of
 stand age:
diff --git a/data-raw/RSYC_tiles.gpkg b/inst/extdata/RSYC_tiles.gpkg
similarity index 100%
rename from data-raw/RSYC_tiles.gpkg
rename to inst/extdata/RSYC_tiles.gpkg