diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 5a8cff31..a1fb4b87 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -41,21 +41,19 @@ jobs:
       - name: Build xsuite
         run: pnpm build-xsuite
 
-      - name: Add xSuite Rust key in env
-        run: echo "XSUITE_RUST=$(pnpm xsuite install-rust-key)" >> $GITHUB_ENV
+      - name: Install Rust
+        run: |
+          pnpm xsuite install-rust
+          echo "RUST_KEY=$(pnpm xsuite install-rust-key)" >> $GITHUB_ENV
 
       - name: Cache Rust
         uses: actions/cache@v4
         with:
           path: |
-            ~/.rustup/toolchains
-            ~/.cargo
-            target
-          key: ${{ runner.os }}-rust-${{ env.XSUITE_RUST }}-${{ hashFiles('**/Cargo.lock') }}
-          restore-keys: ${{ runner.os }}-rust-
-
-      - name: Install Rust
-        run: pnpm xsuite install-rust
+            ~/.cargo/
+            target/
+          key: rust-${{ runner.os }}-${{ env.RUST_KEY }}-${{ hashFiles('**/Cargo.lock') }}
+          restore-keys: rust-${{ runner.os }}-
 
       - name: Test xsuite
         run: |
diff --git a/xsuite/src/cli/cli.test.ts b/xsuite/src/cli/cli.test.ts
index af15ea1e..cae6cefd 100644
--- a/xsuite/src/cli/cli.test.ts
+++ b/xsuite/src/cli/cli.test.ts
@@ -10,7 +10,7 @@ import { Context } from "../context";
 import { getAddressShard } from "../data/utils";
 import { Keystore } from "../world/signer";
 import { getCli } from "./cli";
-import { defaultRustToolchain, rustTarget, rustKey } from "./helpers";
+import { defaultRustToolchain, rustTarget } from "./helpers";
 import { getBinaryOs } from "./testScenCmd";
 
 setGlobalDispatcher(new Agent({ connect: { timeout: 100_000 } }));
@@ -336,7 +336,10 @@ test.concurrent(
 test.concurrent("install-rust-key", async () => {
   using c = newContext();
   await c.cmd("install-rust-key");
-  expect(c.flushStdout().split("\n")).toEqual([rustKey, ""]);
+  expect(c.flushStdout().split("\n")).toEqual([
+    expect.stringMatching(new RegExp(`rustc[a-z0-9]+-${rustTarget}`)),
+    "",
+  ]);
 });
 
 test.concurrent("install-rust", async () => {
@@ -346,8 +349,9 @@ test.concurrent("install-rust", async () => {
     chalk.blue(
       `Installing Rust: toolchain ${defaultRustToolchain} & target ${rustTarget}...`,
     ),
+    chalk.cyan(`$ ${process.env.HOME}/.cargo/bin/rustup default stable`),
     chalk.cyan(
-      `$ curl --proto =https --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- --default-toolchain ${defaultRustToolchain} -t ${rustTarget} -y`,
+      `$ ${process.env.HOME}/.cargo/bin/rustup target add wasm32-unknown-unknown`,
     ),
     "",
   ]);
diff --git a/xsuite/src/cli/helpers.ts b/xsuite/src/cli/helpers.ts
index e10caa07..52e5f56d 100644
--- a/xsuite/src/cli/helpers.ts
+++ b/xsuite/src/cli/helpers.ts
@@ -54,8 +54,6 @@ export const pause = (ms: number) => {
   return new Promise((resolve) => setTimeout(resolve, ms));
 };
 
-export const defaultRustToolchain = "1.79.0";
+export const defaultRustToolchain = "stable";
 
 export const rustTarget = "wasm32-unknown-unknown";
-
-export const rustKey = `${defaultRustToolchain}-${rustTarget}`;
diff --git a/xsuite/src/cli/installRustCmd.ts b/xsuite/src/cli/installRustCmd.ts
index b336e0f5..3124ac6f 100644
--- a/xsuite/src/cli/installRustCmd.ts
+++ b/xsuite/src/cli/installRustCmd.ts
@@ -1,3 +1,4 @@
+import { spawnSync } from "node:child_process";
 import { Command } from "commander";
 import {
   logTitle,
@@ -22,20 +23,22 @@ export const addInstallRustCmd = (cmd: Command) => {
 
 const action = ({ toolchain }: { toolchain: string }) => {
   logTitle(`Installing Rust: toolchain ${toolchain} & target ${rustTarget}...`);
-  logAndRunCommand("curl", [
-    "--proto",
-    "=https",
-    "--tlsv1.2",
-    "-sSf",
-    "https://sh.rustup.rs",
-    "|",
-    "sh",
-    "-s",
-    "--",
-    "--default-toolchain",
-    toolchain,
-    "-t",
-    rustTarget,
-    "-y",
-  ]);
+  const result = spawnSync("rustup", ["--version"]);
+  if (result.status !== 0) {
+    logAndRunCommand("curl", [
+      "--proto",
+      "=https",
+      "--tlsv1.2",
+      "-sSf",
+      "https://sh.rustup.rs",
+      "|",
+      "sh",
+      "-s",
+      "--",
+      "-y",
+    ]);
+  }
+  const rustupPath = `${process.env.HOME}/.cargo/bin/rustup`;
+  logAndRunCommand(rustupPath, ["default", toolchain]);
+  logAndRunCommand(rustupPath, ["target", "add", rustTarget]);
 };
diff --git a/xsuite/src/cli/installRustKeyCmd.ts b/xsuite/src/cli/installRustKeyCmd.ts
index 0838ed87..17312e56 100644
--- a/xsuite/src/cli/installRustKeyCmd.ts
+++ b/xsuite/src/cli/installRustKeyCmd.ts
@@ -1,12 +1,18 @@
+import { spawnSync } from "child_process";
 import { Command } from "commander";
 import { log } from "../context";
-import { rustKey } from "./helpers";
+import { rustTarget } from "./helpers";
 
 export const addInstallRustKeyCmd = (cmd: Command) => {
   cmd
     .command("install-rust-key")
-    .description(`Return a key caracterizing Rust settings (${rustKey}).`)
+    .description("Return a key caracterizing Rust installation.")
     .action(() => {
-      log(rustKey);
+      const rustResult = spawnSync("rustc", ["--version"]);
+      const rustcVersion = rustResult.stdout
+        .toString()
+        .trim()
+        .replace(/[ ().-]/g, "");
+      log(`${rustcVersion}-${rustTarget}`);
     });
 };