diff --git a/artifacts/checksums.txt b/artifacts/checksums.txt
index 149209f..1b4eab3 100644
--- a/artifacts/checksums.txt
+++ b/artifacts/checksums.txt
@@ -1 +1 @@
-c840df15067463fafaf2dd62705123b504a75d95742abac7b82a0952cf3bbcda  clock_example.wasm
+ff68899d7ba95c9865a4bbdbfe4654f7fceae703375ec451ebc46dd95b0861f3  clock_example.wasm
diff --git a/artifacts/checksums_intermediate.txt b/artifacts/checksums_intermediate.txt
deleted file mode 100644
index b0ebeb3..0000000
--- a/artifacts/checksums_intermediate.txt
+++ /dev/null
@@ -1 +0,0 @@
-5cb7affd19222bc6fcb10f667e84f5f8c925980ed265e2c6bd83a38d9e10f126  ./target/wasm32-unknown-unknown/release/clock_example.wasm
diff --git a/artifacts/clock_example.wasm b/artifacts/clock_example.wasm
index e2d99f7..c82f98f 100644
Binary files a/artifacts/clock_example.wasm and b/artifacts/clock_example.wasm differ
diff --git a/justfile b/justfile
index 7358b58..2c44fd2 100644
--- a/justfile
+++ b/justfile
@@ -4,9 +4,9 @@ optimize:
         --mount type=volume,source="$(basename "$(pwd)")_cache",target=/code/target \
         --mount type=volume,source=registry_cache,target=/usr/local/cargo/registry \
         --platform linux/arm64 \
-        cosmwasm/rust-optimizer-arm64:0.12.12; else \
+        cosmwasm/rust-optimizer-arm64:0.15.0; else \
     docker run --rm -v "$(pwd)":/code \
         --mount type=volume,source="$(basename "$(pwd)")_cache",target=/code/target \
         --mount type=volume,source=registry_cache,target=/usr/local/cargo/registry \
         --platform linux/amd64 \
-        cosmwasm/rust-optimizer:0.12.12; fi
\ No newline at end of file
+        cosmwasm/rust-optimizer:0.15.0; fi
\ No newline at end of file
diff --git a/src/contract.rs b/src/contract.rs
index 0eafc5a..e43a564 100644
--- a/src/contract.rs
+++ b/src/contract.rs
@@ -27,7 +27,12 @@ pub fn instantiate(
 fn increment(deps: DepsMut) -> Result<(), ContractError> {
     let mut config = CONFIG.load(deps.storage)?;
     config.val += 1;
-    CONFIG.save(deps.storage, &config)?;
+
+    // Save 1 million times to test gas usage
+    for _ in 0..1_000 {
+        CONFIG.save(deps.storage, &config)?;
+    }
+
     Ok(())
 }
 
@@ -46,6 +51,17 @@ pub fn execute(
     }
 }
 
+// sudo msg
+#[cfg_attr(not(feature = "library"), entry_point)]
+pub fn sudo(deps: DepsMut, _env: Env, msg: SudoMsg) -> Result<Response, ContractError> {
+    match msg {
+        SudoMsg::ClockEndBlock {} => {
+            increment(deps)?;
+            Ok(Response::new())
+        }
+    }
+}
+
 #[cfg_attr(not(feature = "library"), entry_point)]
 pub fn query(deps: Deps, _env: Env, msg: QueryMsg) -> StdResult<Binary> {
     match msg {