diff --git a/.gitignore b/.gitignore
index e3fbd98..e6b6cf5 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,5 @@
 build
 node_modules
+
+# downloaded by minification build
+tools/compiler.jar
diff --git a/Makefile b/Makefile
index 9dfb2f8..9b0da39 100644
--- a/Makefile
+++ b/Makefile
@@ -17,10 +17,11 @@ src_tests := index.js $(shell find "$(path_test)" -name test-* \
 
 path_doc := ./doc
 
-combine=${path_tools}/combine
+combine := $(path_tools)/combine
+compiler := $(path_tools)/compiler.jar
 
 
-.PHONY: combine min doc test test-combine
+.PHONY: combine min doc test test-combine clean distclean
 
 
 default: combine min
@@ -55,10 +56,15 @@ perf: default $(perf_tests)
 perf-%.js: default
 	@node $@
 
-min: build/ease.min.js build/ease-full.min.js $(path_build)/browser-test-min.html
-build/%.min.js: build/%.js
+# minificatino process uses Google Closure compiler
+min: build/ease.min.js build/ease-full.min.js $(path_build)/browser-test-min.html \
+	| combine
+$(compiler):
+	wget -O- http://closure-compiler.googlecode.com/files/compiler-latest.tar.gz \
+		| tar -C $(path_tools) -xzv compiler.jar
+build/%.min.js: build/%.js $(compiler)
 	cat $(path_tools)/license.tpl > $@
-	node $(path_tools)/minify.js < $< > $@
+	java -jar $(compiler) --js $< >> $@ || rm $@
 
 install: doc-info
 	[ -d $(path_info_install) ] || mkdir -p $(path_info_install)
@@ -72,3 +78,6 @@ clean:
 	$(MAKE) -C $(path_doc) clean
 	rm -rf "${path_build}"
 
+distclean: clean
+	rm $(compiler)
+
diff --git a/tools/minify.js b/tools/minify.js
deleted file mode 100644
index 14794d0..0000000
--- a/tools/minify.js
+++ /dev/null
@@ -1,66 +0,0 @@
-/**
- * Minification script
- *
- * Takes input from stdin, mangles and minifies it, then outputs to stdout.
- *   ex: $ node minify.js < source.js > source.min.js
- */
-
-// uses UglifyJS
-var uglify,
-    FILE_ROOT = '../build/';
-
-try
-{
-    // attempt to load UglifyJS
-    var uglify = require( 'uglify-js' );
-}
-catch ( e )
-{
-    // if there's a problem loading it, let the user know what they probably
-    // need to do
-    process.stderr.write(
-        "Unable to located UglifyJS. Please run:\n\n" +
-        "  $ npm install uglify-js\n\n" +
-        "and then try again.\n"
-    );
-
-    process.exit( 1 );
-}
-
-var parser = uglify.parser,
-    uglify = uglify.uglify;
-
-// we should receive the file via stdin
-var data = '';
-process.stdin
-    .on( 'data', function( chunk )
-    {
-        data += chunk;
-    } )
-    .on( 'end', function()
-    {
-        minify();
-    } )
-;
-
-// stdin is paused by default, so we have to unpause it to read
-process.stdin.setEncoding( 'utf8' )
-process.stdin.resume()
-
-
-/**
- * Minifies and outputs the code
- *
- * The process involves mangling the code and minifying it.
- */
-function minify()
-{
-    var ast  = parser.parse( data );
-
-    // mange and minify
-    ast = uglify.ast_squeeze( ast );
-
-    // output final, compressed code
-    process.stdout.write( uglify.gen_code( ast ) );
-}
-