diff --git a/Cargo.toml b/Cargo.toml
index 548bc5af63..b429ac9341 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -39,6 +39,7 @@ arithmetic-side-effects = "deny"
 type_complexity = "allow"
 unwrap-used = "deny"
 manual_inspect = "allow"
+result_large_err = "allow"
 useless_conversion = "allow"     # until polkadot is patched
 
 [workspace.dependencies]
diff --git a/rust-toolchain.toml b/rust-toolchain.toml
index d3d24f8f8c..8b497b3762 100644
--- a/rust-toolchain.toml
+++ b/rust-toolchain.toml
@@ -1,5 +1,5 @@
 [toolchain]
-channel = "1.86.0"
+channel = "1.87"
 components = [
 	"cargo",
 	"clippy",