diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 5fc11c6..0939b49 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -1,4 +1,11 @@
-on: [push]
+on:
+  pull_request:
+    types: [opened, reopened]
+    branches:
+      - main
+  push:
+    branches:
+      - main
 
 name: Test
 
@@ -7,46 +14,36 @@ jobs:
     name: Test
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
-      - name: Install latest nightly
-        uses: actions-rs/toolchain@v1
-        with:
-          toolchain: nightly
-          override: true
-          components: rustfmt, clippy
+      - uses: actions/checkout@v3
+      - name: Install toolchain
+        run: rustup show
 
       - name: Run cargo fmt
-        uses: actions-rs/cargo@v1
-        with:
-          command: fmt
-          args: -- --check
+        run: cargo fmt -- --check
 
       - name: Run cargo clippy
         uses: actions-rs/cargo@v1
-        with:
-          command: clippy
-          args: -- -D warnings
+          run: cargo clippy -- -D warnings
 
-      - name: Run cargo test
+      - name: Run cargo clippy alloc
         uses: actions-rs/cargo@v1
-        with:
-          command: test
+          run: >
+          cargo clippy --no-default-features 
+          --features alloc -- -D warnings
+
+      - name: Run cargo test
+        run: cargo test
+
+      - name: Run cargo test alloc
+        run: cargo test --no-default-features --features alloc
 
   no-std-build:
     name: Test no_std support
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
-      - name: Install latest nightly
-        uses: actions-rs/toolchain@v1
-        with:
-          toolchain: nightly
-          override: true
-          components: rustfmt, clippy
-          target: thumbv6m-none-eabi
-
-      - name: Build stark-felt
-        uses: actions-rs/cargo@v1
-        with:
-          command: build
-          args: --package stark-felt --target thumbv6m-none-eabi --no-default-features
+      - uses: actions/checkout@v3
+      - name: Check wasm compatibility
+        run: |-
+          cd ensure_no_std
+          rustup show
+          cargo build -r
diff --git a/Cargo.toml b/Cargo.toml
index 89aaadc..5eb1aa9 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,11 +1,19 @@
 [workspace]
 members = [
-	"crates/stark-felt",
+    "crates/stark-felt",
     "crates/starknet-types-core",
     "crates/starknet-types-rpc",
 ]
 
+exclude = ["ensure_no_std"]
+
 [workspace.package]
-authors = ["Shahar Papini <@spapinistarkware>", "Abdelhamid Bakhta <@abdelhamidbakhta>", "Dan Brownstein <@dan-starkware>", "Federico Carrone <@unbalancedparentheses>", "Jonathan Lei <@xJonathanLEI>"]
+authors = [
+    "Shahar Papini <@spapinistarkware>",
+    "Abdelhamid Bakhta <@abdelhamidbakhta>",
+    "Dan Brownstein <@dan-starkware>",
+    "Federico Carrone <@unbalancedparentheses>",
+    "Jonathan Lei <@xJonathanLEI>",
+]
 edition = "2021"
-repository = "https://github.com/starknet-io/types-rs"
\ No newline at end of file
+repository = "https://github.com/starknet-io/types-rs"
diff --git a/crates/stark-felt/src/lib.rs b/crates/stark-felt/src/lib.rs
index ef5ed95..e8db9f5 100644
--- a/crates/stark-felt/src/lib.rs
+++ b/crates/stark-felt/src/lib.rs
@@ -15,8 +15,6 @@ pub type BitArrayStore = [u32; 8];
 extern crate alloc;
 #[cfg(not(feature = "std"))]
 use alloc::string::ToString;
-#[cfg(not(feature = "std"))]
-use alloc::vec::Vec;
 
 use lambdaworks_math::{
     field::{
diff --git a/ensure_no_std/.cargo/config.toml b/ensure_no_std/.cargo/config.toml
new file mode 100644
index 0000000..f4e8c00
--- /dev/null
+++ b/ensure_no_std/.cargo/config.toml
@@ -0,0 +1,2 @@
+[build]
+target = "wasm32-unknown-unknown"
diff --git a/ensure_no_std/Cargo.toml b/ensure_no_std/Cargo.toml
new file mode 100644
index 0000000..d8d5e0e
--- /dev/null
+++ b/ensure_no_std/Cargo.toml
@@ -0,0 +1,19 @@
+[package]
+name = "ensure_no_std"
+version = "0.1.0"
+edition = "2021"
+
+[dependencies]
+stark-felt = { path = "../crates/stark-felt", default-features = false, features = [
+    "alloc",
+] }
+starknet-types-core = { path = "../crates/starknet-types-core", default-features = false }
+starknet-types-rpc = { path = "../crates/starknet-types-rpc", default-features = false }
+wee_alloc = "0.4.5"
+
+
+[profile.dev]
+panic = "abort"
+
+[profile.release]
+panic = "abort"
diff --git a/ensure_no_std/rust-toolchain.toml b/ensure_no_std/rust-toolchain.toml
new file mode 100644
index 0000000..2a2a217
--- /dev/null
+++ b/ensure_no_std/rust-toolchain.toml
@@ -0,0 +1,5 @@
+[toolchain]
+channel = "nightly-2023-02-26"
+components = ["rustfmt", "clippy"]
+targets = ["wasm32-unknown-unknown"]
+profile = "minimal"
diff --git a/ensure_no_std/src/main.rs b/ensure_no_std/src/main.rs
new file mode 100644
index 0000000..edbb888
--- /dev/null
+++ b/ensure_no_std/src/main.rs
@@ -0,0 +1,21 @@
+#![no_std]
+#![no_main]
+
+use core::panic::PanicInfo;
+
+/// This function is called on panic.
+#[panic_handler]
+fn panic(_info: &PanicInfo) -> ! {
+    loop {}
+}
+
+#[no_mangle]
+pub extern "C" fn _start() -> ! {
+    loop {}
+}
+
+#[global_allocator]
+static ALLOC: wee_alloc::WeeAlloc = wee_alloc::WeeAlloc::INIT;
+
+#[allow(unused_imports)]
+use stark_felt;
diff --git a/rust-toolchain.toml b/rust-toolchain.toml
new file mode 100644
index 0000000..80b43cd
--- /dev/null
+++ b/rust-toolchain.toml
@@ -0,0 +1,4 @@
+[toolchain]
+channel = "nightly-2023-02-26"
+components = ["rustfmt", "clippy"]
+profile = "minimal"