diff --git a/algo/Cargo.toml b/algo/Cargo.toml
index ec4a6c5a..3ce20431 100644
--- a/algo/Cargo.toml
+++ b/algo/Cargo.toml
@@ -1,7 +1,7 @@
 [package]
 name = "webgraph-algo"
 version = "0.1.1"
-edition = "2024"
+edition = "2021"
 description = "Algorithms for the Rust port of the WebGraph framework (http://webgraph.di.unimi.it/)."
 repository = "https://github.com/vigna/webgraph-rs/"
 license = "Apache-2.0 OR LGPL-2.1-or-later"
diff --git a/cli/Cargo.toml b/cli/Cargo.toml
index 1b87e605..ef8d747a 100644
--- a/cli/Cargo.toml
+++ b/cli/Cargo.toml
@@ -1,7 +1,7 @@
 [package]
 name = "webgraph_cli"
 version = "0.1.0"
-edition = "2024"
+edition = "2021"
 authors = [
 	"Tommaso Fontana <tommaso.fontana.96@gmail.com>",
 	"Sebastiano Vigna <sebastiano.vigna@unimi.it>",
diff --git a/webgraph/Cargo.toml b/webgraph/Cargo.toml
index fe17e5fd..fd355b53 100644
--- a/webgraph/Cargo.toml
+++ b/webgraph/Cargo.toml
@@ -1,7 +1,7 @@
 [package]
 name = "webgraph"
 version = "0.2.1"
-edition = "2024"
+edition = "2021"
 description = "A Rust port of the WebGraph framework (http://webgraph.di.unimi.it/)."
 repository = "https://github.com/vigna/webgraph-rs/"
 license = "Apache-2.0 OR LGPL-2.1-or-later"