diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 6d79fc1..17f2971 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -43,4 +43,16 @@ jobs:
       - name: Test
         run: swift test --skip-update --parallel --enable-test-discovery
       - name: Build Release
-        run: swift build -c release
\ No newline at end of file
+        run: swift build -c release
+
+  webAssembly:
+    runs-on: ubuntu-20.04
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+      - name: Swift version
+        run: swift --version
+      - name: Build
+        uses: swiftwasm/swiftwasm-action@master
+        with:
+          shell-action: swift build --triple wasm32-unknown-wasi
diff --git a/README.md b/README.md
index d1b5544..11a4935 100644
--- a/README.md
+++ b/README.md
@@ -5,6 +5,7 @@
 [![swift version](https://img.shields.io/badge/swift-5.1+-brightgreen.svg)](https://swift.org)
 [![platforms](https://img.shields.io/badge/platforms-%20macOS%20|%20iOS%20|%20tvOS%20|%20watchOS-brightgreen.svg)](#)
 [![platforms](https://img.shields.io/badge/platforms-linux-brightgreen.svg)](#)
+[![platforms](https://img.shields.io/badge/platforms-WebAssembly-brightgreen.svg)](https://github.com/swiftwasm/swift#swiftwasm)
 [![codecov](https://codecov.io/gh/fireblade-engine/ecs/branch/master/graph/badge.svg)](https://codecov.io/gh/fireblade-engine/ecs)
 [![documentation](https://github.com/fireblade-engine/ecs/workflows/Documentation/badge.svg)](https://github.com/fireblade-engine/ecs/wiki)
 
diff --git a/Sources/FirebladeECS/Foundation+Extensions.swift b/Sources/FirebladeECS/Foundation+Extensions.swift
index d18fc33..c7ff0cf 100644
--- a/Sources/FirebladeECS/Foundation+Extensions.swift
+++ b/Sources/FirebladeECS/Foundation+Extensions.swift
@@ -6,15 +6,8 @@
 //
 
 #if canImport(Foundation)
-import class Foundation.JSONEncoder
-import class Foundation.JSONDecoder
-
-import class Foundation.PropertyListEncoder
-import class Foundation.PropertyListDecoder
+import Foundation
 
 extension JSONEncoder: TopLevelEncoder { }
 extension JSONDecoder: TopLevelDecoder { }
-
-extension PropertyListEncoder: TopLevelEncoder { }
-extension PropertyListDecoder: TopLevelDecoder { }
 #endif
diff --git a/Sources/FirebladeECS/Hashing.swift b/Sources/FirebladeECS/Hashing.swift
index 29b228d..f9d4f2e 100644
--- a/Sources/FirebladeECS/Hashing.swift
+++ b/Sources/FirebladeECS/Hashing.swift
@@ -7,7 +7,7 @@
 
 #if arch(x86_64) || arch(arm64) || arch(powerpc64) || arch(powerpc64le) || arch(s390x) // 64 bit
 private let kFibA: UInt = 0x9e3779b97f4a7c15 // = 11400714819323198485 aka Fibonacci Hash a value for 2^64; calculate by: 2^64 / (golden ratio)
-#elseif arch(i386) || arch(arm) || os(watchOS) // 32 bit
+#elseif arch(i386) || arch(arm) || os(watchOS) || arch(wasm32) // 32 bit
 private let kFibA: UInt = 0x9e3779b9 // = 2654435769 aka Fibonacci Hash a value for 2^32; calculate by: 2^32 / (golden ratio)
 #else
 #error("unsupported architecture")