diff --git a/searx/engines/flickr_noapi.py b/searx/engines/flickr_noapi.py
index 3a83fdc65..f24521e7f 100644
--- a/searx/engines/flickr_noapi.py
+++ b/searx/engines/flickr_noapi.py
@@ -20,8 +20,8 @@ logger = logger.getChild('flickr-noapi')
 
 categories = ['images']
 
-url = 'https://secure.flickr.com/'
-search_url = url + 'search/?{query}&page={page}'
+url = 'https://www.flickr.com/'
+search_url = url + 'search?{query}&page={page}'
 photo_url = 'https://www.flickr.com/photos/{userid}/{photoid}'
 regex = re.compile(r"\"search-photos-models\",\"photos\":(.*}),\"totalItems\":", re.DOTALL)
 image_sizes = ('o', 'k', 'h', 'b', 'c', 'z', 'n', 'm', 't', 'q', 's')
diff --git a/searx/utils.py b/searx/utils.py
index e6c107e24..129971e31 100644
--- a/searx/utils.py
+++ b/searx/utils.py
@@ -17,17 +17,16 @@ from searx import logger
 
 logger = logger.getChild('utils')
 
-ua_versions = ('31.0',
-               '32.0',
-               '33.0',
+ua_versions = ('33.0',
                '34.0',
-               '35.0')
+               '35.0',
+               '36.0',
+               '37.0')
 
 ua_os = ('Windows NT 6.3; WOW64',
          'X11; Linux x86_64',
          'X11; Linux x86')
-
-ua = "Mozilla/5.0 ({os}) Gecko/20100101 Firefox/{version}"
+ua = "Mozilla/5.0 ({os}; rv:{version}) Gecko/20100101 Firefox/{version}"
 
 blocked_tags = ('script',
                 'style')