diff --git a/packages/turbo-repository/scripts/build.sh b/packages/turbo-repository/scripts/build.sh
index 828a4609fff9c..8f45131c6fa3a 100755
--- a/packages/turbo-repository/scripts/build.sh
+++ b/packages/turbo-repository/scripts/build.sh
@@ -13,7 +13,7 @@ script_provided_flags="\
 for flag in $user_provided_flags; do
   if [[ $flag == --target=* ]]; then
     target=${flag#*=}
-    rustup target add "$target"
+    rustup toolchain install nightly-2024-11-22 --target "$target"
 
     # For we need to cross-compile some targets with Zig
     # Fortunately, napi comes with a `--zig` flag
diff --git a/rust-toolchain.toml b/rust-toolchain.toml
index 9800beb9da529..7d2b06d31de67 100644
--- a/rust-toolchain.toml
+++ b/rust-toolchain.toml
@@ -1,4 +1,5 @@
 [toolchain]
+# Needs to be copied to `packages/turbo-repository/scripts/build.sh`
 channel = "nightly-2024-11-22"
 components = ["rustfmt", "clippy"]
 profile = "minimal"