diff --git a/gulpfile.js b/gulpfile.js
index 12ac053c5072fedbc33ce4ece264a723c4cd0166_Z3VscGZpbGUuanM=..e5fbb17fbb8ae25c3c6b480435eccfa4c470e686_Z3VscGZpbGUuanM= 100644
--- a/gulpfile.js
+++ b/gulpfile.js
@@ -1,4 +1,5 @@
 var gulp = require('gulp');
+var uglify = require('gulp-uglify');
 var concat = require('gulp-concat');
 var sass = require('gulp-sass');
 var cleanCSS = require('gulp-clean-css');
@@ -8,12 +9,12 @@
 
 gulp.task('js', function() {
     gulp.src([
-        'node_modules/jquery/dist/jquery.slim.min.js',
-        'node_modules/popper.js/dist/umd/popper.min.js',
-        'node_modules/bootstrap/dist/js/bootstrap.min.js',
-        'node_modules/wowjs/dist/wow.min.js',
+        'node_modules/jquery/dist/jquery.slim.js',
+        'node_modules/popper.js/dist/umd/popper.js',
+        'node_modules/bootstrap/dist/js/bootstrap.js',
+        'node_modules/wowjs/dist/wow.js',
         'node_modules/leaflet/dist/leaflet.js',
         'js/wow.js',
         'js/highlight.pack.js',
         'js/highlight.js',
         'js/map.js'])
@@ -15,6 +16,8 @@
         'node_modules/leaflet/dist/leaflet.js',
         'js/wow.js',
         'js/highlight.pack.js',
         'js/highlight.js',
         'js/map.js'])
+        .pipe(sourcemaps.init())
+        .pipe(gulp.dest('static/js/'))
         .pipe(concat('all.js'))
@@ -20,4 +23,6 @@
         .pipe(concat('all.js'))
+        .pipe(uglify())
+        .pipe(sourcemaps.write('.'))
         .pipe(gulp.dest('static/js/'));
 });
 
diff --git a/package.json b/package.json
index 12ac053c5072fedbc33ce4ece264a723c4cd0166_cGFja2FnZS5qc29u..e5fbb17fbb8ae25c3c6b480435eccfa4c470e686_cGFja2FnZS5qc29u 100644
--- a/package.json
+++ b/package.json
@@ -13,6 +13,7 @@
     "gulp-rename": "^1.2.2",
     "gulp-sass": "^3.1.0",
     "gulp-sourcemaps": "^2.6.4",
+    "gulp-uglify": "^3.0.1",
     "html5shiv": "^3.7.3",
     "jquery": "^3.3.1",
     "leaflet": "^1.3.4",