diff --git a/.github/workflows/build-publish-images.yml b/.github/workflows/build-publish-images.yml
index bac9a628..0086c219 100644
--- a/.github/workflows/build-publish-images.yml
+++ b/.github/workflows/build-publish-images.yml
@@ -43,12 +43,13 @@ jobs:
       # Enable debug assertions since we are running optimized builds for testing
       # but still want to have debug assertions.
       RUSTFLAGS: "-Cdebug-assertions=y -Dwarnings"
-      WASM_BUILD_STD: "0"
     steps:
       - name: Checkout
         uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
       - name: Configure git safe.directory
         run: git config --global --add safe.directory '*'
+      - name: Install wasm32v1-none target
+        run: rustup target add wasm32v1-none
       - name: build
         id: required
         run: |
@@ -99,10 +100,11 @@ jobs:
       image: ${{ needs.preflight.outputs.IMAGE }}
     env:
       RUSTFLAGS: "-Cdebug-assertions=y -Dwarnings"
-      WASM_BUILD_STD: "0"
     steps:
       - name: Checkout
         uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
+      - name: Install wasm32v1-none target
+        run: rustup target add wasm32v1-none
       - name: build
         id: required
         run: |
@@ -134,10 +136,11 @@ jobs:
       image: ${{ needs.preflight.outputs.IMAGE }}
     env:
       RUSTFLAGS: "-Cdebug-assertions=y -Dwarnings"
-      WASM_BUILD_STD: "0"
     steps:
       - name: Checkout
         uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
+      - name: Install wasm32v1-none target
+        run: rustup target add wasm32v1-none
       - name: build
         id: required
         run: |
@@ -171,11 +174,11 @@ jobs:
     timeout-minutes: 120
     container:
       image: ${{ needs.preflight.outputs.IMAGE }}
-    env:
-      WASM_BUILD_STD: "0"
     steps:
       - name: Checkout
         uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
+      - name: Install wasm32v1-none target
+        run: rustup target add wasm32v1-none
       - name: build
         id: required
         run: |
@@ -210,11 +213,11 @@ jobs:
     timeout-minutes: 120
     container:
       image: ${{ needs.preflight.outputs.IMAGE }}
-    env:
-      WASM_BUILD_STD: "0"
     steps:
       - name: Checkout
         uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
+      - name: Install wasm32v1-none target
+        run: rustup target add wasm32v1-none
       - name: build
         id: required
         run: |
@@ -248,13 +251,13 @@ jobs:
     timeout-minutes: 120
     container:
       image: ${{ needs.preflight.outputs.IMAGE }}
-    env:
-      WASM_BUILD_STD: "0"
     steps:
       - name: Checkout
         uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
       - name: Configure git safe.directory
         run: git config --global --add safe.directory '*'
+      - name: Install wasm32v1-none target
+        run: rustup target add wasm32v1-none
       - name: build
         id: required
         run: |
@@ -293,11 +296,11 @@ jobs:
     timeout-minutes: 120
     container:
       image: ${{ needs.preflight.outputs.IMAGE }}
-    env:
-      WASM_BUILD_STD: "0"
     steps:
       - name: Checkout
         uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
+      - name: Install wasm32v1-none target
+        run: rustup target add wasm32v1-none
       - name: build
         id: required
         run: |
@@ -336,11 +339,11 @@ jobs:
     timeout-minutes: 120
     container:
       image: ${{ needs.preflight.outputs.IMAGE }}
-    env:
-      WASM_BUILD_STD: "0"
     steps:
       - name: Checkout
         uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
+      - name: Install wasm32v1-none target
+        run: rustup target add wasm32v1-none
       - name: build
         run: |
           cargo build --locked --profile testnet -p pezkuwi-test-malus --bin malus --bin pezkuwi-prepare-worker --bin pezkuwi-execute-worker
@@ -368,11 +371,11 @@ jobs:
     timeout-minutes: 120
     container:
       image: ${{ needs.preflight.outputs.IMAGE }}
-    env:
-      WASM_BUILD_STD: "0"
     steps:
       - name: Checkout
         uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
+      - name: Install wasm32v1-none target
+        run: rustup target add wasm32v1-none
       - name: build
         run: |
           cargo nextest --manifest-path pezkuwi/zombienet-sdk-tests/Cargo.toml archive --locked --features zombie-metadata,zombie-ci --archive-file pezkuwi-zombienet-tests.tar.zst
@@ -400,11 +403,11 @@ jobs:
     timeout-minutes: 120
     container:
       image: ${{ needs.preflight.outputs.IMAGE }}
-    env:
-      WASM_BUILD_STD: "0"
     steps:
       - name: Checkout
         uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
+      - name: Install wasm32v1-none target
+        run: rustup target add wasm32v1-none
       - name: build
         run: |
           cargo nextest --manifest-path pezcumulus/zombienet/zombienet-sdk/Cargo.toml archive --locked --features zombie-ci --archive-file pezcumulus-zombienet-tests.tar.zst
@@ -429,11 +432,11 @@ jobs:
     timeout-minutes: 120
     container:
       image: ${{ needs.preflight.outputs.IMAGE }}
-    env:
-      WASM_BUILD_STD: "0"
     steps:
       - name: Checkout
         uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
+      - name: Install wasm32v1-none target
+        run: rustup target add wasm32v1-none
       - name: build
         run: |
           cargo nextest --manifest-path templates/zombienet/Cargo.toml archive --locked --features zombienet --archive-file teyrchain-templates-zombienet-tests.tar.zst
diff --git a/.github/workflows/check-pezframe-omni-bencher.yml b/.github/workflows/check-pezframe-omni-bencher.yml
index 1d36d16b..a8cfb701 100644
--- a/.github/workflows/check-pezframe-omni-bencher.yml
+++ b/.github/workflows/check-pezframe-omni-bencher.yml
@@ -26,7 +26,6 @@ jobs:
       RUST_BACKTRACE: "full"
       WASM_BUILD_NO_COLOR: 1
       WASM_BUILD_RUSTFLAGS: "-C debug-assertions"
-      WASM_BUILD_STD: "0"
       RUST_LOG: "frame_omni_bencher=info,pezkuwi_sdk_frame=info"
     timeout-minutes: 60
     container:
@@ -35,6 +34,9 @@ jobs:
       - name: Checkout
         uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
 
+      - name: Install wasm32v1-none target
+        run: rustup target add wasm32v1-none
+
       - name: Clean cargo cache to free disk space
         run: |
           cargo clean 2>/dev/null || true
@@ -83,11 +85,13 @@ jobs:
       PACKAGE_NAME: ${{ matrix.runtime.package }}
       FLAGS: ${{ matrix.runtime.bench_flags }}
       RUST_LOG: "frame_omni_bencher=info,pezkuwi_sdk_frame=info"
-      WASM_BUILD_STD: "0"
     steps:
       - name: Checkout
         uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
 
+      - name: Install wasm32v1-none target
+        run: rustup target add wasm32v1-none
+
       - name: script (benchmark ${{ matrix.bench_cmd }})
         id: required
         shell: bash
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 5008cc45..f655f956 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -42,9 +42,10 @@ jobs:
           shared-key: quick-benchmarks
           cache-on-failure: true
 
+      - name: Install wasm32v1-none target
+        run: rustup target add wasm32v1-none
+
       - name: script
-        env:
-          WASM_BUILD_STD: "0"
         run: cargo run --locked --release -p pezstaging-node-cli --bin bizinikiwi-node --features runtime-benchmarks --quiet -- benchmark pezpallet --chain dev --pezpallet "*" --extrinsic "*" --steps 2 --repeat 1 --quiet
 
   # cf https://github.com/pezkuwichain/pezkuwi-sdk/issues/1652