diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 53c23a51..7e5c841f 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -33,9 +33,9 @@ jobs:
       - name: Build Wasm images
         uses: addnab/docker-run-action@v3
         with:
-          image: cosmwasm/workspace-optimizer:0.12.13
+          image: cosmwasm/optimizer:0.15.0
           options: -v ${{ github.workspace }}:/code 
-          run: optimize_workspace.sh
+          run: optimize.sh
 
       - name: Create release
         uses: softprops/action-gh-release@v1
diff --git a/Cargo.toml b/Cargo.toml
index aa539573..657807fa 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -25,8 +25,8 @@ mesh-simple-price-feed    = { path = "./contracts/consumer/simple-price-feed" }
 mesh-virtual-staking    = { path = "./contracts/consumer/virtual-staking" }
 
 sylvia           = "0.8.1"
-cosmwasm-schema  = "1.2.7"
-cosmwasm-std     = { version = "1.2.7", features = ["ibc3", "cosmwasm_1_2"] }
+cosmwasm-schema  = "1.3.3"
+cosmwasm-std     = { version = "1.3.3", features = ["ibc3", "cosmwasm_1_3"] }
 cw-storage-plus  = "1.1.0"
 cw-utils         = "1.0.1"
 cw2              = "1.0.1"
diff --git a/scripts/optimizer.sh b/scripts/optimizer.sh
index d14dc7ac..2d196567 100755
--- a/scripts/optimizer.sh
+++ b/scripts/optimizer.sh
@@ -1,7 +1,7 @@
 :
 
 U="cosmwasm"
-V="0.14.0"
+V="0.15.0"
 
 M=$(uname -m)
 #M="x86_64" # Force Intel arch
@@ -13,4 +13,4 @@ S=${S:+-$S}
 docker run --platform $A --rm -v "$(pwd)":/code \
   --mount type=volume,source="$(basename "$(pwd)")_cache",target=/target \
   --mount type=volume,source=registry_cache,target=/usr/local/cargo/registry \
-  $U/workspace-optimizer$S:$V
+  $U/optimizer$S:$V