diff --git a/web/pgadmin/static/js/selection/xcell_selection_model.js b/web/pgadmin/static/js/selection/xcell_selection_model.js
index 81f46cce..32fed09f 100644
--- a/web/pgadmin/static/js/selection/xcell_selection_model.js
+++ b/web/pgadmin/static/js/selection/xcell_selection_model.js
@@ -2,10 +2,10 @@ define([
   'jquery',
   'underscore',
   'sources/selection/range_selection_helper',
+  'sources/slickgrid/pgslick.cellrangeselector',
 
-  'slickgrid',
-  'slickgrid/plugins/slick.cellrangeselector'
-], function ($, _, RangeSelectionHelper) {
+  'slickgrid'
+], function ($, _, RangeSelectionHelper, PGCellRangeSelector) {
   var XCellSelectionModel = function (options) {
 
     var KEY_ARROW_RIGHT = 39;
@@ -17,7 +17,7 @@ define([
     var _canvas;
     var _ranges = [];
     var _self = this;
-    var _selector = new Slick.CellRangeSelector({
+    var _selector = new PGCellRangeSelector({
       "selectionCss": {
         "border": "2px solid black"
       }
diff --git a/web/pgadmin/static/js/slickgrid/pgslick.cellrangedecorator.js b/web/pgadmin/static/js/slickgrid/pgslick.cellrangedecorator.js
new file mode 100644
index 00000000..8b0e340f
--- /dev/null
+++ b/web/pgadmin/static/js/slickgrid/pgslick.cellrangedecorator.js
@@ -0,0 +1,73 @@
+define([
+  'jquery',
+
+  'slickgrid',
+], function ($) {
+  /***
+   * Displays an overlay on top of a given cell range.
+   *
+   * TODO:
+   * Currently, it blocks mouse events to DOM nodes behind it.
+   * Use FF and WebKit-specific "pointer-events" CSS style, or some kind of event forwarding.
+   * Could also construct the borders separately using 4 individual DIVs.
+   *
+   * @param {Grid} grid
+   * @param {Object} options
+   */
+  var PGCellRangeDecorator = function (grid, options) {
+    var _elem;
+    var _defaults = {
+      selectionCssClass: 'slick-range-decorator',
+      selectionCss: {
+        "zIndex": "9999",
+        "border": "2px dashed red"
+      }
+    };
+
+    options = $.extend(true, {}, _defaults, options);
+
+
+    function show(range) {
+      if (!_elem) {
+        _elem = $("<div></div>", {css: options.selectionCss})
+            .addClass(options.selectionCssClass)
+            .css("position", "absolute")
+            .appendTo(grid.getCanvasNode());
+      }
+
+      var from = grid.getCellNodeBox(range.fromRow, range.fromCell);
+      var to = grid.getCellNodeBox(range.toRow, range.toCell);
+
+      // TODO: This is the original Slickgrid code temporary fix to solve
+      // pgAdmin alignment of the selection box on the bottom right corner
+      // _elem.css({
+      //   top: from.top - 1,
+      //   left: from.left - 1,
+      //   height: to.bottom - from.top - 2,
+      //   width: to.right - from.left - 2
+      // });
+
+      _elem.css({
+        top: from.top - 1,
+        left: from.left - 1,
+        height: to.bottom - from.top + 2,
+        width: to.right - from.left + 1
+      });
+
+      return _elem;
+    }
+
+    function hide() {
+      if (_elem) {
+        _elem.remove();
+        _elem = null;
+      }
+    }
+
+    $.extend(this, {
+      "show": show,
+      "hide": hide
+    });
+  };
+  return PGCellRangeDecorator;
+});
diff --git a/web/pgadmin/static/js/slickgrid/pgslick.cellrangeselector.js b/web/pgadmin/static/js/slickgrid/pgslick.cellrangeselector.js
new file mode 100644
index 00000000..6a8649bc
--- /dev/null
+++ b/web/pgadmin/static/js/slickgrid/pgslick.cellrangeselector.js
@@ -0,0 +1,119 @@
+define([
+  'jquery',
+  'sources/slickgrid/pgslick.cellrangedecorator',
+
+  'slickgrid',
+], function ($, PGCellRangeDecorator) {
+
+  var PGCellRangeSelector = function (options) {
+    var _grid;
+    var _canvas;
+    var _currentlySelectedRange;
+    var _dragging;
+    var _decorator;
+    var _self = this;
+    var _handler = new Slick.EventHandler();
+    var _defaults = {
+      selectionCss: {
+        "border": "2px dashed blue"
+      }
+    };
+
+
+    function init(grid) {
+      options = $.extend(true, {}, _defaults, options);
+      _decorator = new PGCellRangeDecorator(grid, options);
+      _grid = grid;
+      _canvas = _grid.getCanvasNode();
+      _handler
+        .subscribe(_grid.onDragInit, handleDragInit)
+        .subscribe(_grid.onDragStart, handleDragStart)
+        .subscribe(_grid.onDrag, handleDrag)
+        .subscribe(_grid.onDragEnd, handleDragEnd);
+    }
+
+    function destroy() {
+      _handler.unsubscribeAll();
+    }
+
+    function handleDragInit(e, dd) {
+      // prevent the grid from cancelling drag'n'drop by default
+      e.stopImmediatePropagation();
+    }
+
+    function handleDragStart(e, dd) {
+      var cell = _grid.getCellFromEvent(e);
+      if (_self.onBeforeCellRangeSelected.notify(cell) !== false) {
+        if (_grid.canCellBeSelected(cell.row, cell.cell)) {
+          _dragging = true;
+          e.stopImmediatePropagation();
+        }
+      }
+      if (!_dragging) {
+        return;
+      }
+
+      _grid.focus();
+
+      var start = _grid.getCellFromPoint(
+          dd.startX - $(_canvas).offset().left,
+          dd.startY - $(_canvas).offset().top);
+
+      dd.range = {start: start, end: {}};
+      _currentlySelectedRange = dd.range;
+      return _decorator.show(new Slick.Range(start.row, start.cell));
+    }
+
+    function handleDrag(e, dd) {
+      if (!_dragging) {
+        return;
+      }
+      e.stopImmediatePropagation();
+
+      var end = _grid.getCellFromPoint(
+          e.pageX - $(_canvas).offset().left,
+          e.pageY - $(_canvas).offset().top);
+
+      if (!_grid.canCellBeSelected(end.row, end.cell)) {
+        return;
+      }
+
+      dd.range.end = end;
+      _currentlySelectedRange = dd.range;
+      _decorator.show(new Slick.Range(dd.range.start.row, dd.range.start.cell, end.row, end.cell));
+    }
+
+    function handleDragEnd(e, dd) {
+      if (!_dragging) {
+        return;
+      }
+
+      _dragging = false;
+      e.stopImmediatePropagation();
+
+      _decorator.hide();
+      _self.onCellRangeSelected.notify({
+        range: new Slick.Range(
+            dd.range.start.row,
+            dd.range.start.cell,
+            dd.range.end.row,
+            dd.range.end.cell
+        )
+      });
+    }
+
+    function getCurrentRange() {
+      return _currentlySelectedRange;
+    }
+
+    $.extend(this, {
+      "init": init,
+      "destroy": destroy,
+      "getCurrentRange": getCurrentRange,
+
+      "onBeforeCellRangeSelected": new Slick.Event(),
+      "onCellRangeSelected": new Slick.Event()
+    });
+  };
+  return PGCellRangeSelector;
+});
\ No newline at end of file
diff --git a/web/regression/javascript/selection/column_selector_spec.js b/web/regression/javascript/selection/column_selector_spec.js
index 679af52f..7fa69aef 100644
--- a/web/regression/javascript/selection/column_selector_spec.js
+++ b/web/regression/javascript/selection/column_selector_spec.js
@@ -7,8 +7,8 @@ define(
     'sources/selection/xcell_selection_model',
 
     "slickgrid",
-    'slickgrid/plugins/slick.cellrangedecorator',
-    'slickgrid/plugins/slick.cellrangeselector',
+    'sources/slickgrid/pgslick.cellrangedecorator',
+    'sources/slickgrid/pgslick.cellrangeselector',
     "slickgrid/slick.grid",
   ],
   function ($, _, ColumnSelector, ActiveCellCapture, GridSelector, XCellSelectionModel) {
diff --git a/web/regression/javascript/selection/row_selector_spec.js b/web/regression/javascript/selection/row_selector_spec.js
index e0bc63be..23a5b12e 100644
--- a/web/regression/javascript/selection/row_selector_spec.js
+++ b/web/regression/javascript/selection/row_selector_spec.js
@@ -7,8 +7,8 @@ define(
     'sources/selection/xcell_selection_model',
 
     "slickgrid",
-    'slickgrid/plugins/slick.cellrangedecorator',
-    'slickgrid/plugins/slick.cellrangeselector',
+    'sources/slickgrid/pgslick.cellrangedecorator',
+    'sources/slickgrid/pgslick.cellrangeselector',
   ],
   function ($, _, SlickGrid, ActiveCellCapture, RowSelector, XCellSelectionModel, Slick) {
     var KEY_RIGHT = 39;
diff --git a/web/regression/javascript/test-main.js b/web/regression/javascript/test-main.js
index 065c950f..8bb8c027 100644
--- a/web/regression/javascript/test-main.js
+++ b/web/regression/javascript/test-main.js
@@ -36,8 +36,6 @@ require.config({
     'underscore.string': sourcesDir + 'vendor/underscore/underscore.string',
     'slickgrid': sourcesDir + 'vendor/slickgrid/slick.core',
     'slickgrid/slick.grid': sourcesDir + 'vendor/slickgrid/slick.grid',
-    'slickgrid/plugins/slick.cellrangedecorator': sourcesDir + 'vendor/slickgrid/plugins/slick.cellrangedecorator',
-    'slickgrid/plugins/slick.cellrangeselector': sourcesDir + 'vendor/slickgrid/plugins/slick.cellrangeselector',
     'translations': '/base/regression/javascript/fake_translations',
     'sources': sourcesDir + 'js',
     'browser': '/base/pgadmin/browser/static/js'
@@ -59,21 +57,21 @@ require.config({
       ],
       "exports": 'window.Slick.Grid'
     },
-    "slickgrid/plugins/slick.cellrangedecorator": {
+    "sources/slickgrid/pgslick.cellrangedecorator": {
       "deps": [
         "jquery"
       ],
-      "exports": 'window.Slick.RowRangeDecorator'
+      "exports": 'PGRowRangeDecorator'
     },
-    "slickgrid/plugins/slick.cellrangeselector": {
+    "sources/slickgrid/pgslick.cellrangeselector": {
       "deps": [
-        "jquery", "slickgrid/plugins/slick.cellrangedecorator"
+        "jquery", "sources/slickgrid/pgslick.cellrangedecorator"
       ],
-      "exports": 'window.Slick.CellRangeSelector'
+      "exports": 'PGCellRangeSelector'
     },
     "sources/selection/xcell_selection_model": {
       "deps": [
-        "jquery", "slickgrid/plugins/slick.cellrangeselector"
+        "jquery", "sources/slickgrid/pgslick.cellrangeselector"
       ],
       "exports": 'XCellSelectionModel'
     },