diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 3983a92..271802f 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -36,7 +36,13 @@ jobs:
       - name: Run WASM tests
         run: |
           cd kobopatch-wasm/kobopatch-src
-          GOOS=js GOARCH=wasm go test -exec="$(go env GOROOT)/lib/wasm/go_js_wasm_exec" ./...
+          GOROOT="$(go env GOROOT)"
+          if [ -f "$GOROOT/lib/wasm/go_js_wasm_exec" ]; then
+            EXEC="$GOROOT/lib/wasm/go_js_wasm_exec"
+          else
+            EXEC="$GOROOT/misc/wasm/go_js_wasm_exec"
+          fi
+          GOOS=js GOARCH=wasm go test -exec="$EXEC" ./...
 
       - name: Build WASM binary
         run: |
diff --git a/kobopatch-wasm/setup.sh b/kobopatch-wasm/setup.sh
index ad41abc..81d46a2 100755
--- a/kobopatch-wasm/setup.sh
+++ b/kobopatch-wasm/setup.sh
@@ -14,7 +14,16 @@ else
 fi
 
 echo "Copying wasm_exec.js from Go SDK..."
-cp "$(go env GOROOT)/lib/wasm/wasm_exec.js" "$SCRIPT_DIR/wasm_exec.js"
+GOROOT="$(go env GOROOT)"
+if [ -f "$GOROOT/lib/wasm/wasm_exec.js" ]; then
+    cp "$GOROOT/lib/wasm/wasm_exec.js" "$SCRIPT_DIR/wasm_exec.js"
+elif [ -f "$GOROOT/misc/wasm/wasm_exec.js" ]; then
+    cp "$GOROOT/misc/wasm/wasm_exec.js" "$SCRIPT_DIR/wasm_exec.js"
+else
+    echo "Error: could not find wasm_exec.js in Go SDK"
+    find "$GOROOT" -name "wasm_exec.js" 2>/dev/null
+    exit 1
+fi
 
 echo ""
 echo "Done. kobopatch source is at: $KOBOPATCH_DIR"