diff --git a/.github/workflows/build-macos.yml b/.github/workflows/build-macos.yml
index 88871645..40f3ecb3 100644
--- a/.github/workflows/build-macos.yml
+++ b/.github/workflows/build-macos.yml
@@ -71,7 +71,7 @@ jobs:
         uses: actions/cache@v2
         id: cache-wasi-libc
         with:
-          key: wasi-libc-sysroot-v3
+          key: wasi-libc-sysroot-v4
           path: lib/wasi-libc/sysroot
       - name: Build wasi-libc
         if: steps.cache-wasi-libc.outputs.cache-hit != 'true'
diff --git a/.github/workflows/linux.yml b/.github/workflows/linux.yml
index c6c13b54..458cfd24 100644
--- a/.github/workflows/linux.yml
+++ b/.github/workflows/linux.yml
@@ -81,7 +81,7 @@ jobs:
         uses: actions/cache@v2
         id: cache-wasi-libc
         with:
-          key: wasi-libc-sysroot-linux-asserts-v4
+          key: wasi-libc-sysroot-linux-asserts-v5
           path: lib/wasi-libc/sysroot
       - name: Build wasi-libc
         if: steps.cache-wasi-libc.outputs.cache-hit != 'true'
@@ -222,7 +222,7 @@ jobs:
         uses: actions/cache@v2
         id: cache-wasi-libc
         with:
-          key: wasi-libc-sysroot-linux-asserts-v4
+          key: wasi-libc-sysroot-linux-asserts-v5
           path: lib/wasi-libc/sysroot
       - name: Build wasi-libc
         if: steps.cache-wasi-libc.outputs.cache-hit != 'true'
diff --git a/.github/workflows/windows.yml b/.github/workflows/windows.yml
index 44d63766..46adb9b7 100644
--- a/.github/workflows/windows.yml
+++ b/.github/workflows/windows.yml
@@ -72,7 +72,7 @@ jobs:
         uses: actions/cache@v2
         id: cache-wasi-libc
         with:
-          key: wasi-libc-sysroot-v3
+          key: wasi-libc-sysroot-v4
           path: lib/wasi-libc/sysroot
       - name: Build wasi-libc
         if: steps.cache-wasi-libc.outputs.cache-hit != 'true'
diff --git a/Makefile b/Makefile
index a98fec6a..15680433 100644
--- a/Makefile
+++ b/Makefile
@@ -234,7 +234,7 @@ endif
 wasi-libc: lib/wasi-libc/sysroot/lib/wasm32-wasi/libc.a
 lib/wasi-libc/sysroot/lib/wasm32-wasi/libc.a:
 	@if [ ! -e lib/wasi-libc/Makefile ]; then echo "Submodules have not been downloaded. Please download them using:\n  git submodule update --init"; exit 1; fi
-	cd lib/wasi-libc && make -j4 WASM_CFLAGS="-O2 -g -DNDEBUG" MALLOC_IMPL=none WASM_CC=$(CLANG) WASM_AR=$(LLVM_AR) WASM_NM=$(LLVM_NM)
+	cd lib/wasi-libc && make -j4 WASM_CFLAGS="-O2 -g -DNDEBUG" MALLOC_IMPL=none CC=$(CLANG) AR=$(LLVM_AR) NM=$(LLVM_NM)
 
 
 # Build the Go compiler.
diff --git a/go.mod b/go.mod
index 2017334c..644ad879 100644
--- a/go.mod
+++ b/go.mod
@@ -3,7 +3,7 @@ module github.com/tinygo-org/tinygo
 go 1.16
 
 require (
-	github.com/aykevl/go-wasm v0.0.2-0.20211119014117-0761b1ddcd1a
+	github.com/aykevl/go-wasm v0.0.2-0.20220616010729-4a0a888aebdc
 	github.com/blakesmith/ar v0.0.0-20150311145944-8bd4349a67f2
 	github.com/chromedp/cdproto v0.0.0-20220113222801-0725d94bb6ee
 	github.com/chromedp/chromedp v0.7.6
diff --git a/go.sum b/go.sum
index 3d29ae8a..636805ac 100644
--- a/go.sum
+++ b/go.sum
@@ -1,5 +1,5 @@
-github.com/aykevl/go-wasm v0.0.2-0.20211119014117-0761b1ddcd1a h1:QPU7APo6y/6VkCDq6HU3WWIUzER8iywSac23+1UQv60=
-github.com/aykevl/go-wasm v0.0.2-0.20211119014117-0761b1ddcd1a/go.mod h1:7sXyiaA0WtSogCu67R2252fQpVmJMh9JWJ9ddtGkpWw=
+github.com/aykevl/go-wasm v0.0.2-0.20220616010729-4a0a888aebdc h1:Yp49g+qqgQRPk/gcRSmAsXgnT16XPJ6Y5JM1poc6gYM=
+github.com/aykevl/go-wasm v0.0.2-0.20220616010729-4a0a888aebdc/go.mod h1:7sXyiaA0WtSogCu67R2252fQpVmJMh9JWJ9ddtGkpWw=
 github.com/blakesmith/ar v0.0.0-20150311145944-8bd4349a67f2 h1:oMCHnXa6CCCafdPDbMh/lWRhRByN0VFLvv+g+ayx1SI=
 github.com/blakesmith/ar v0.0.0-20150311145944-8bd4349a67f2/go.mod h1:PkYb9DJNAwrSvRx5DYA+gUcOIgTGVMNkfSCbZM8cWpI=
 github.com/chromedp/cdproto v0.0.0-20211126220118-81fa0469ad77/go.mod h1:At5TxYYdxkbQL0TSefRjhLE3Q0lgvqKKMSFUglJ7i1U=
diff --git a/lib/wasi-libc b/lib/wasi-libc
index ad513341..30094b6e 160000
--- a/lib/wasi-libc
+++ b/lib/wasi-libc
@@ -1 +1 @@
-Subproject commit ad5133410f66b93a2381db5b542aad5e0964db96
+Subproject commit 30094b6ed05f19cee102115215863d185f2db4f0