diff --git a/Makefile b/Makefile
index bdd0d97..1103b8e 100644
--- a/Makefile
+++ b/Makefile
@@ -3,18 +3,46 @@ TARGET = clayterm.wasm
 SRC = src/module.c
 
 CFLAGS = --target=wasm32 -nostdlib -O2 \
+         -ffunction-sections -fdata-sections \
+         -mbulk-memory \
          -DCLAY_IMPLEMENTATION -DCLAY_WASM \
          -Isrc -I.
 
+EXPORTS = \
+  -Wl,--export=__heap_base \
+  -Wl,--export=clayterm_size \
+  -Wl,--export=init \
+  -Wl,--export=reduce \
+  -Wl,--export=output \
+  -Wl,--export=length \
+  -Wl,--export=measure \
+  -Wl,--export=Clay_SetPointerState \
+  -Wl,--export=pointer_over_count \
+  -Wl,--export=pointer_over_id_string_length \
+  -Wl,--export=pointer_over_id_string_ptr \
+  -Wl,--export=get_element_bounds \
+  -Wl,--export=error_count \
+  -Wl,--export=error_type \
+  -Wl,--export=error_message_length \
+  -Wl,--export=error_message_ptr \
+  -Wl,--export=input_size \
+  -Wl,--export=input_init \
+  -Wl,--export=input_scan \
+  -Wl,--export=input_count \
+  -Wl,--export=input_event \
+  -Wl,--export=input_delay
+
 LDFLAGS = -Wl,--no-entry \
           -Wl,--import-memory \
           -Wl,--stack-first \
-          -Wl,--export-all \
+          -Wl,--strip-all \
+          -Wl,--gc-sections \
           -Wl,--undefined=Clay__MeasureText \
-          -Wl,--undefined=Clay__QueryScrollOffset
+          -Wl,--undefined=Clay__QueryScrollOffset \
+          $(EXPORTS)
 
 all: $(TARGET) wasm.ts
-	@echo "Built $(TARGET) ($$(wc -c < $(TARGET)) bytes)"
+	@echo "Built $(TARGET) ($$(wc -c < $(TARGET)) bytes raw, $$(gzip -c $(TARGET) | wc -c) bytes gzip)"
 
 DEPS = $(wildcard src/*.c src/*.h)
 
diff --git a/tasks/build-npm.ts b/tasks/build-npm.ts
index 7259863..c31f754 100644
--- a/tasks/build-npm.ts
+++ b/tasks/build-npm.ts
@@ -20,9 +20,8 @@ await build({
   typeCheck: false,
   compilerOptions: {
     lib: ["ESNext"],
-    target: "ES2020",
-    sourceMap: true,
   },
+  skipSourceOutput: true,
   package: {
     name: "clayterm",
     version,
@@ -37,9 +36,10 @@ await build({
       url: "https://github.com/thefrontside/clayterm/issues",
     },
     engines: {
-      node: ">= 16",
+      node: ">= 22",
     },
     sideEffects: false,
+    type: "module",
   },
 });