diff --git a/Cargo.toml b/Cargo.toml
index ea0a500..c7b1047 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -42,7 +42,7 @@ optimize = """docker run --rm -v "$(pwd)":/code \
 optimize-arm64 = """docker run --rm -v "$(pwd)":/code \
     --mount type=volume,source="$(basename "$(pwd)")_cache",target=/code/target \
     --mount type=volume,source=registry_cache,target=/usr/local/cargo/registry \
-    cosmwasm/rust-optimizer-arm64:0.12.9 \
+    cosmwasm/rust-optimizer-arm64:0.12.8 \
     && mv ./artifacts/stargaze_multisnap-aarch64.wasm ./artifacts/stargaze_multisnap.wasm
 """
 store = """starsd tx wasm store artifacts/stargaze_multisnap.wasm --from testnet-key --gas-prices 0.025ustars --gas-adjustment 1.7 --gas auto --output json -b block -y"""