--- a/.env
+++ b/.env
@@ -1,4 +1,4 @@
-RUST_TOOLCHAIN=nightly-2024-02-21
+RUST_TOOLCHAIN=nightly-2024-04-10
 POLKADOT_LAUNCH_BRANCH=unique-network
 RELAY_CHAIN_TYPE=westend
 CHAINQL=v0.4.1
--- a/README.md
+++ b/README.md
@@ -52,17 +52,17 @@
 
 2. Remove all installed toolchains with `rustup toolchain list` and `rustup toolchain uninstall <toolchain>`.
 
-3. Install toolchain nightly-2024-02-21 and make it default:
+3. Install toolchain nightly-2024-04-10 and make it default:
 
 ```bash
-rustup toolchain install nightly-2024-02-21
-rustup default nightly-2024-02-21
+rustup toolchain install nightly-2024-04-10
+rustup default nightly-2024-04-10
 ```
 
 4. Add wasm target for nightly toolchain:
 
 ```bash
-rustup target add wasm32-unknown-unknown --toolchain nightly-2024-02-21
+rustup target add wasm32-unknown-unknown --toolchain nightly-2024-04-10
 ```
 
 5. Build: