diff --git a/artifacts/checksums.txt b/artifacts/checksums.txt
index 5ea4e49..c2a1639 100644
--- a/artifacts/checksums.txt
+++ b/artifacts/checksums.txt
@@ -1,3 +1,3 @@
-c3d45ee3e0dc6e11e35d8b6ae0462d486ebd23b14203e5bc6af4d79b06497838  astroport_airdrop.wasm
-81b21c3ab14f052b0b014cc33cadf7a31903204f3a79fc5559b056d4b6f815bd  astroport_auction.wasm
-1f6e5b72504ae2bd06c5e67a61c39e1e3a16230e61f699a272348503f5467be2  astroport_lockdrop.wasm
+9f83587effbb0100788a94712ba0d67a7c0d32f7643e9a147d2f3f8878b5ae39  astroport_airdrop.wasm
+202f3451f6c4a759e473a7ab1bab590f15a01a00455dfa56d7f8b441d44e6876  astroport_auction.wasm
+ec84f1e6359c156e1774c61e9a5252fc7c2312e8ea22086058c27e984df99a3b  astroport_lockdrop.wasm
diff --git a/build_release.sh b/build_release.sh
index 4013cc2..63f6ac8 100755
--- a/build_release.sh
+++ b/build_release.sh
@@ -1,2 +1,2 @@
 # Optimized builds
-docker run --rm -v "$(pwd)":/code --mount type=bind,source=/.cargo/git,target=/usr/local/cargo/git --mount type=bind,source=/.cargo/registry,target=/usr/local/cargo/registry cosmwasm/workspace-optimizer:0.12.3
+docker run --rm -v "$(pwd)":/code --mount type=volume,source="$(basename "$(pwd)")_cache",target=/code/target --mount type=volume,source=registry_cache,target=/usr/local/cargo/registry cosmwasm/workspace-optimizer:0.12.4
\ No newline at end of file
diff --git a/contracts/lockdrop/src/contract.rs b/contracts/lockdrop/src/contract.rs
index 21e9e80..5ae4b44 100644
--- a/contracts/lockdrop/src/contract.rs
+++ b/contracts/lockdrop/src/contract.rs
@@ -515,7 +515,7 @@ pub fn handle_migrate_liquidity(
 
     let mut assets = vec![];
 
-    for asset_info in terraswap_lp_info.asset_infos {
+    for asset_info in terraswap_lp_info.asset_infos.iter() {
         assets.push(terraswap::asset::Asset {
             amount: match &asset_info {
                 terraswap::asset::AssetInfo::NativeToken { denom } => {
@@ -533,7 +533,7 @@ pub fn handle_migrate_liquidity(
                     )?
                 }
             },
-            info: asset_info,
+            info: asset_info.to_owned(),
         })
     }
 
@@ -1310,8 +1310,8 @@ pub fn callback_deposit_liquidity_in_astroport(
     let mut assets = vec![];
     let mut coins = vec![];
 
-    for prev_asset in prev_assets {
-        match prev_asset.info {
+    for prev_asset in prev_assets.iter() {
+        match prev_asset.info.clone() {
             terraswap::asset::AssetInfo::NativeToken { denom } => {
                 let mut new_asset = astroport::asset::Asset {
                     info: astroport::asset::AssetInfo::NativeToken {