diff --git a/substrate/polkadot/runtime/wasm/init.sh b/substrate/polkadot/runtime/wasm/init.sh
index e8b4387a2f998e390164664563db575793c7831a..703207078c511c4bd12203fa66ceeb0a14979d27 100755
--- a/substrate/polkadot/runtime/wasm/init.sh
+++ b/substrate/polkadot/runtime/wasm/init.sh
@@ -3,5 +3,5 @@
 rustup update nightly
 rustup target add wasm32-unknown-unknown --toolchain nightly
 rustup update stable
-cargo install --git https://github.com/alexcrichton/wasm-gc
-cargo install --git https://github.com/pepyakin/wasm-export-table.git
+cargo +nightly install --git https://github.com/alexcrichton/wasm-gc
+cargo +nightly install --git https://github.com/pepyakin/wasm-export-table.git