diff --git a/rust/case2geojson/Cargo.lock b/rust/case2geojson/Cargo.lock
index ef8d7c2..7ae889d 100644
--- a/rust/case2geojson/Cargo.lock
+++ b/rust/case2geojson/Cargo.lock
@@ -1797,9 +1797,9 @@ checksum = "1f3ccbac311fea05f86f61904b462b55fb3df8837a366dfc601a0161d0532f20"
 
 [[package]]
 name = "tokio"
-version = "1.50.0"
+version = "1.51.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "27ad5e34374e03cfffefc301becb44e9dc3c17584f414349ebe29ed26661822d"
+checksum = "2bd1c4c0fc4a7ab90fc15ef6daaa3ec3b893f004f915f2392557ed23237820cd"
 dependencies = [
  "pin-project-lite",
  "tokio-macros",
@@ -1807,9 +1807,9 @@ dependencies = [
 
 [[package]]
 name = "tokio-macros"
-version = "2.6.0"
+version = "2.7.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "af407857209536a95c8e56f8231ef2c2e2aff839b22e07a1ffcbc617e9db9fa5"
+checksum = "385a6cb71ab9ab790c5fe8d67f1645e6c450a7ce006a33de03daa956cf70a496"
 dependencies = [
  "proc-macro2",
  "quote",
diff --git a/rust/case2geojson/Cargo.toml b/rust/case2geojson/Cargo.toml
index a18095d..a2f9bb1 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 = "1.50.0", features = ["macros", "rt-multi-thread", "test-util"] }
+tokio = { version = "1.51.0", features = ["macros", "rt-multi-thread", "test-util"] }