diff --git a/Cargo.lock b/Cargo.lock
index b276fe3..b1b8128 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -424,8 +424,9 @@ dependencies = [
 
 [[package]]
 name = "srtm_reader"
-version = "0.4.0"
-source = "git+https://github.com/jeromeschmied/srtm_reader#84b357165a524a3a180ce90e96152ed38180c13c"
+version = "0.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3a2b003f10dd9f28e302de4fe93def3f46098d966156cac55ce424e72d947dd9"
 dependencies = [
  "byteorder",
 ]
diff --git a/Cargo.toml b/Cargo.toml
index 71fe8f9..1fb361c 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -20,12 +20,9 @@ geo-types = "0.7.15"
 gpx = "0.10.0"
 log = "0.4.25"
 rayon = "1.10.0"
-srtm_reader = { version = "0.4.0", optional = true }
+srtm_reader = { version = "0.4.1", optional = true }
 time = { version = "0.3.37", default-features = false }
 
-[patch.crates-io]
-srtm_reader = { git = "https://github.com/jeromeschmied/srtm_reader" }
-
 [features]
 default = ["elevation"]
 elevation = ["dep:srtm_reader"]
diff --git a/src/elevation.rs b/src/elevation.rs
index 46cc56c..e9d1a64 100644
--- a/src/elevation.rs
+++ b/src/elevation.rs
@@ -41,7 +41,7 @@ pub fn read_needed_tiles(
 }
 // TODO: docs
 /// index the tiles with their coordinates
-pub fn index_tiles(tiles: Vec<srtm_reader::Tile>) -> HashMap<(i32, i32), srtm_reader::Tile> {
+pub fn index_tiles(tiles: Vec<srtm_reader::Tile>) -> HashMap<(i8, i16), srtm_reader::Tile> {
     log::info!("indexing all dem tiles");
     log::trace!("tiles: {tiles:?}");
     tiles
@@ -74,7 +74,7 @@ pub fn index_tiles(tiles: Vec<srtm_reader::Tile>) -> HashMap<(i32, i32), srtm_re
 /// ```
 pub fn add_elev_unchecked(
     wps: &mut [Waypoint],
-    elev_data: &HashMap<(i32, i32), srtm_reader::Tile>,
+    elev_data: &HashMap<(i8, i16), srtm_reader::Tile>,
     overwrite: bool,
 ) {
     // coord is (x;y) but we need (y;x)
diff --git a/src/main.rs b/src/main.rs
index b579fa0..c82ea2e 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -67,7 +67,7 @@ fn main() -> Res<()> {
 }
 
 #[cfg(feature = "elevation")]
-fn read_elev_data(conf: &args::Cli, all_fit: &Vec<Fit>) -> HashMap<(i32, i32), srtm_reader::Tile> {
+fn read_elev_data(conf: &args::Cli, all_fit: &Vec<Fit>) -> HashMap<(i8, i16), srtm_reader::Tile> {
     log::info!("should add elevation: {:?}", conf.add_elevation);
     if !conf.add_elevation {
         return HashMap::new();