diff --git a/invideoquiz/__init__.py b/invideoquiz/__init__.py
index 322c4d8..038e650 100644
--- a/invideoquiz/__init__.py
+++ b/invideoquiz/__init__.py
@@ -3,4 +3,4 @@
 """
 from .invideoquiz import InVideoQuizXBlock
 
-__version__ = '1.6.0'
+__version__ = '1.6.1'
diff --git a/invideoquiz/invideoquiz.py b/invideoquiz/invideoquiz.py
index 9c5cde4..32dbf37 100644
--- a/invideoquiz/invideoquiz.py
+++ b/invideoquiz/invideoquiz.py
@@ -6,35 +6,37 @@
 import json
 import os
 
-import pkg_resources
-
 from xblock.core import XBlock
 from xblock.fields import Scope
 from xblock.fields import String
+from xblock.validation import ValidationMessage
 
 try:
     from web_fragments.fragment import Fragment
 except ImportError:
     # For backward compatibility with quince and earlier.
     from xblock.fragment import Fragment
-from xblock.validation import ValidationMessage
+
 try:
     from xblock.utils.studio_editable import StudioEditableXBlockMixin
+    from xblock.utils.resources import ResourceLoader
 except ModuleNotFoundError:
     # For backward compatibility with releases older than Quince.
     from xblockutils.studio_editable import StudioEditableXBlockMixin
+    from xblockutils.resources import ResourceLoader
 
 
 from .utils import _
 
+resource_loader = ResourceLoader(__name__)
+
 
 def get_resource_string(path):
     """
     Retrieve string contents for the file path
     """
     path = os.path.join('public', path)
-    resource_string = pkg_resources.resource_string(__name__, path)
-    return resource_string.decode('utf8')
+    return resource_loader.load_unicode(path)
 
 
 class InVideoQuizXBlock(StudioEditableXBlockMixin, XBlock):