diff --git a/examples/erc20/Cargo.lock b/examples/erc20/Cargo.lock
index 52f131b8..578ef6e0 100644
--- a/examples/erc20/Cargo.lock
+++ b/examples/erc20/Cargo.lock
@@ -624,10 +624,11 @@ dependencies = [
 
 [[package]]
 name = "stylus-proc"
-version = "0.1.0"
+version = "0.4.2"
 dependencies = [
  "alloy-primitives",
  "alloy-sol-types",
+ "cfg-if 1.0.0",
  "convert_case 0.6.0",
  "lazy_static",
  "proc-macro2",
@@ -640,10 +641,11 @@ dependencies = [
 
 [[package]]
 name = "stylus-sdk"
-version = "0.1.0"
+version = "0.4.2"
 dependencies = [
  "alloy-primitives",
  "alloy-sol-types",
+ "cfg-if 1.0.0",
  "derivative",
  "fnv",
  "hex",
diff --git a/examples/erc20/src/main.rs b/examples/erc20/src/main.rs
index e12bf2fb..6778a35b 100644
--- a/examples/erc20/src/main.rs
+++ b/examples/erc20/src/main.rs
@@ -48,7 +48,7 @@ impl Weth {
         self.erc20.burn(msg::sender(), amount)?;
 
         // send the user their funds
-        call::transfer_eth(self, msg::sender(), amount)
+        call::transfer_eth(msg::sender(), amount)
     }
 
     // sums numbers