diff --git a/Cargo.toml b/Cargo.toml
index 50d0bbf0..0abd524e 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1702,3 +1702,6 @@ zeroize = { opt-level = 3 }
 [patch.crates-io]
 serde = { git = "https://github.com/pezkuwichain/serde.git", branch = "fix-wasm32v1-none" }
 serde_core = { git = "https://github.com/pezkuwichain/serde.git", branch = "fix-wasm32v1-none" }
+# arrayvec 0.7.6 fails on wasm32v1-none: E0223 Self::Target/Self::IntoIter ambiguity
+# (Rust 1.87+ Receiver trait) + missing prelude in char.rs on target_os=none
+arrayvec = { git = "https://git.pezkuwichain.io/pezkuwichain/arrayvec.git", branch = "main" }