diff --git a/bindings/nostr-js/rust-toolchain.toml b/bindings/nostr-js/rust-toolchain.toml
index 61fa04eeb..7431dd180 100644
--- a/bindings/nostr-js/rust-toolchain.toml
+++ b/bindings/nostr-js/rust-toolchain.toml
@@ -1,3 +1,4 @@
 [toolchain]
 channel = "nightly-2024-01-11"
+components = ["rust-src"]
 targets = ["wasm32-unknown-unknown"]
\ No newline at end of file
diff --git a/bindings/nostr-sdk-js/rust-toolchain.toml b/bindings/nostr-sdk-js/rust-toolchain.toml
index 61fa04eeb..7431dd180 100644
--- a/bindings/nostr-sdk-js/rust-toolchain.toml
+++ b/bindings/nostr-sdk-js/rust-toolchain.toml
@@ -1,3 +1,4 @@
 [toolchain]
 channel = "nightly-2024-01-11"
+components = ["rust-src"]
 targets = ["wasm32-unknown-unknown"]
\ No newline at end of file