diff --git a/rust/case2geojson/Cargo.lock b/rust/case2geojson/Cargo.lock
index ddb518f..0982f11 100644
--- a/rust/case2geojson/Cargo.lock
+++ b/rust/case2geojson/Cargo.lock
@@ -1992,9 +1992,9 @@ checksum = "1f3ccbac311fea05f86f61904b462b55fb3df8837a366dfc601a0161d0532f20"
 
 [[package]]
 name = "tokio"
-version = "1.51.1"
+version = "1.52.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f66bf9585cda4b724d3e78ab34b73fb2bbaba9011b9bfdf69dc836382ea13b8c"
+checksum = "b67dee974fe86fd92cc45b7a95fdd2f99a36a6d7b0d431a231178d3d670bbcc6"
 dependencies = [
  "pin-project-lite",
  "tokio-macros",
diff --git a/rust/case2geojson/Cargo.toml b/rust/case2geojson/Cargo.toml
index a2f9bb1..36d6b3d 100644
--- a/rust/case2geojson/Cargo.toml
+++ b/rust/case2geojson/Cargo.toml
@@ -10,4 +10,4 @@ json-ld = { version = "0.21.4" }
 oxigraph = { version = "0.5.6", default-features = false}
 serde_json = "1.0.149"
 static-iref = "3.0.0"
-tokio = { version = "1.51.0", features = ["macros", "rt-multi-thread", "test-util"] }
+tokio = { version = "1.52.1", features = ["macros", "rt-multi-thread", "test-util"] }