diff --git a/src/calibre/gui2/store/stores/amazon_au_plugin.py b/src/calibre/gui2/store/stores/amazon_au_plugin.py
index ae114aea83..c1cd2d0e13 100644
--- a/src/calibre/gui2/store/stores/amazon_au_plugin.py
+++ b/src/calibre/gui2/store/stores/amazon_au_plugin.py
@@ -4,7 +4,7 @@
 
 from __future__ import (unicode_literals, division, absolute_import,
                         print_function)
-store_version = 2  # Needed for dynamic plugin loading
+store_version = 3  # Needed for dynamic plugin loading
 
 from contextlib import closing
 import urllib
@@ -18,10 +18,10 @@ from calibre.gui2 import open_url
 from calibre.gui2.store import StorePlugin
 from calibre.gui2.store.search_result import SearchResult
 
-SEARCH_BASE_URL = 'http://www.amazon.com.au/s/'
+SEARCH_BASE_URL = 'https://www.amazon.com.au/s/'
 SEARCH_BASE_QUERY = {'url': 'search-alias=digital-text'}
-DETAILS_URL = 'http://amazon.com.au/dp/'
-STORE_LINK =  'http://www.amazon.com.au'
+DETAILS_URL = 'https://amazon.com.au/dp/'
+STORE_LINK =  'https://www.amazon.com.au'
 DRM_SEARCH_TEXT = 'Simultaneous Device Usage'
 DRM_FREE_TEXT = 'Unlimited'
 
@@ -142,6 +142,7 @@ class AmazonKindleStore(StorePlugin):
                 search_result.drm = SearchResult.DRM_LOCKED
         return True
 
+
 if __name__ == '__main__':
     import sys
     for result in search_amazon(' '.join(sys.argv[1:]), write_html_to='/t/amazon.html'):
diff --git a/src/calibre/gui2/store/stores/amazon_ca_plugin.py b/src/calibre/gui2/store/stores/amazon_ca_plugin.py
index 9b90d7f128..3584e839af 100644
--- a/src/calibre/gui2/store/stores/amazon_ca_plugin.py
+++ b/src/calibre/gui2/store/stores/amazon_ca_plugin.py
@@ -4,7 +4,7 @@
 
 from __future__ import (unicode_literals, division, absolute_import,
                         print_function)
-store_version = 4  # Needed for dynamic plugin loading
+store_version = 5  # Needed for dynamic plugin loading
 
 from contextlib import closing
 import urllib
@@ -18,10 +18,10 @@ from calibre.gui2 import open_url
 from calibre.gui2.store import StorePlugin
 from calibre.gui2.store.search_result import SearchResult
 
-SEARCH_BASE_URL = 'http://www.amazon.ca/s/'
+SEARCH_BASE_URL = 'https://www.amazon.ca/s/'
 SEARCH_BASE_QUERY = {'url': 'search-alias=digital-text'}
-DETAILS_URL = 'http://amazon.ca/dp/'
-STORE_LINK =  'http://www.amazon.ca'
+DETAILS_URL = 'https://amazon.ca/dp/'
+STORE_LINK =  'https://www.amazon.ca'
 DRM_SEARCH_TEXT = 'Simultaneous Device Usage'
 DRM_FREE_TEXT = 'Unlimited'
 
@@ -142,6 +142,7 @@ class AmazonKindleStore(StorePlugin):
                 search_result.drm = SearchResult.DRM_LOCKED
         return True
 
+
 if __name__ == '__main__':
     import sys
     for result in search_amazon(' '.join(sys.argv[1:]), write_html_to='/t/amazon.html'):
diff --git a/src/calibre/gui2/store/stores/amazon_de_plugin.py b/src/calibre/gui2/store/stores/amazon_de_plugin.py
index 469ba52676..40d717e810 100644
--- a/src/calibre/gui2/store/stores/amazon_de_plugin.py
+++ b/src/calibre/gui2/store/stores/amazon_de_plugin.py
@@ -4,7 +4,7 @@
 
 from __future__ import (unicode_literals, division, absolute_import,
                         print_function)
-store_version = 12  # Needed for dynamic plugin loading
+store_version = 13  # Needed for dynamic plugin loading
 
 from contextlib import closing
 import urllib
@@ -18,12 +18,12 @@ from calibre.gui2 import open_url
 from calibre.gui2.store import StorePlugin
 from calibre.gui2.store.search_result import SearchResult
 
-SEARCH_BASE_URL = 'http://www.amazon.de/s/'
+SEARCH_BASE_URL = 'https://www.amazon.de/s/'
 SEARCH_BASE_QUERY = {'url': 'search-alias=digital-text'}
 BY = 'von'
 KINDLE_EDITION = 'Kindle Edition'
-DETAILS_URL = 'http://amazon.de/dp/'
-STORE_LINK =  'http://www.amazon.de'
+DETAILS_URL = 'https://amazon.de/dp/'
+STORE_LINK =  'https://www.amazon.de'
 DRM_SEARCH_TEXT = 'Simultaneous Device Usage'
 DRM_FREE_TEXT = 'Unlimited'
 
@@ -144,6 +144,7 @@ class AmazonKindleStore(StorePlugin):
                 search_result.drm = SearchResult.DRM_LOCKED
         return True
 
+
 if __name__ == '__main__':
     import sys
     for result in search_amazon(' '.join(sys.argv[1:]), write_html_to='/t/amazon.html'):
diff --git a/src/calibre/gui2/store/stores/amazon_es_plugin.py b/src/calibre/gui2/store/stores/amazon_es_plugin.py
index 0a5611dbde..6e013b2e88 100644
--- a/src/calibre/gui2/store/stores/amazon_es_plugin.py
+++ b/src/calibre/gui2/store/stores/amazon_es_plugin.py
@@ -4,7 +4,7 @@
 
 from __future__ import (unicode_literals, division, absolute_import,
                         print_function)
-store_version = 12  # Needed for dynamic plugin loading
+store_version = 13  # Needed for dynamic plugin loading
 
 from contextlib import closing
 import urllib
@@ -18,12 +18,12 @@ from calibre.gui2 import open_url
 from calibre.gui2.store import StorePlugin
 from calibre.gui2.store.search_result import SearchResult
 
-SEARCH_BASE_URL = 'http://www.amazon.es/s/'
+SEARCH_BASE_URL = 'https://www.amazon.es/s/'
 SEARCH_BASE_QUERY = {'url': 'search-alias=digital-text'}
 BY = 'de'
 KINDLE_EDITION = 'Versión Kindle'
-DETAILS_URL = 'http://amazon.es/dp/'
-STORE_LINK =  'http://www.amazon.es'
+DETAILS_URL = 'https://amazon.es/dp/'
+STORE_LINK =  'https://www.amazon.es'
 DRM_SEARCH_TEXT = 'Simultaneous Device Usage'
 DRM_FREE_TEXT = 'Unlimited'
 
@@ -144,6 +144,7 @@ class AmazonKindleStore(StorePlugin):
                 search_result.drm = SearchResult.DRM_LOCKED
         return True
 
+
 if __name__ == '__main__':
     import sys
     for result in search_amazon(' '.join(sys.argv[1:]), write_html_to='/t/amazon.html'):
diff --git a/src/calibre/gui2/store/stores/amazon_fr_plugin.py b/src/calibre/gui2/store/stores/amazon_fr_plugin.py
index e325d0eab9..e9574cd624 100644
--- a/src/calibre/gui2/store/stores/amazon_fr_plugin.py
+++ b/src/calibre/gui2/store/stores/amazon_fr_plugin.py
@@ -4,7 +4,7 @@
 
 from __future__ import (unicode_literals, division, absolute_import,
                         print_function)
-store_version = 12  # Needed for dynamic plugin loading
+store_version = 13  # Needed for dynamic plugin loading
 
 from contextlib import closing
 import urllib
@@ -18,12 +18,12 @@ from calibre.gui2 import open_url
 from calibre.gui2.store import StorePlugin
 from calibre.gui2.store.search_result import SearchResult
 
-SEARCH_BASE_URL = 'http://www.amazon.fr/s/'
+SEARCH_BASE_URL = 'https://www.amazon.fr/s/'
 SEARCH_BASE_QUERY = {'url': 'search-alias=digital-text'}
 BY = 'de'
 KINDLE_EDITION = 'Format Kindle'
-DETAILS_URL = 'http://amazon.fr/dp/'
-STORE_LINK =  'http://www.amazon.fr'
+DETAILS_URL = 'https://amazon.fr/dp/'
+STORE_LINK =  'https://www.amazon.fr'
 DRM_SEARCH_TEXT = 'Simultaneous Device Usage'
 DRM_FREE_TEXT = 'Unlimited'
 
@@ -144,6 +144,7 @@ class AmazonKindleStore(StorePlugin):
                 search_result.drm = SearchResult.DRM_LOCKED
         return True
 
+
 if __name__ == '__main__':
     import sys
     for result in search_amazon(' '.join(sys.argv[1:]), write_html_to='/t/amazon.html'):
diff --git a/src/calibre/gui2/store/stores/amazon_in_plugin.py b/src/calibre/gui2/store/stores/amazon_in_plugin.py
index d9d3e1418f..953fff080f 100644
--- a/src/calibre/gui2/store/stores/amazon_in_plugin.py
+++ b/src/calibre/gui2/store/stores/amazon_in_plugin.py
@@ -4,7 +4,7 @@
 
 from __future__ import (unicode_literals, division, absolute_import,
                         print_function)
-store_version = 2  # Needed for dynamic plugin loading
+store_version = 3  # Needed for dynamic plugin loading
 
 from contextlib import closing
 import urllib
@@ -18,10 +18,10 @@ from calibre.gui2 import open_url
 from calibre.gui2.store import StorePlugin
 from calibre.gui2.store.search_result import SearchResult
 
-SEARCH_BASE_URL = 'http://www.amazon.in/s/'
+SEARCH_BASE_URL = 'https://www.amazon.in/s/'
 SEARCH_BASE_QUERY = {'url': 'search-alias=digital-text'}
-DETAILS_URL = 'http://amazon.in/dp/'
-STORE_LINK =  'http://www.amazon.in'
+DETAILS_URL = 'https://amazon.in/dp/'
+STORE_LINK =  'https://www.amazon.in'
 DRM_SEARCH_TEXT = 'Simultaneous Device Usage'
 DRM_FREE_TEXT = 'Unlimited'
 
@@ -144,6 +144,7 @@ class AmazonKindleStore(StorePlugin):
                 search_result.drm = SearchResult.DRM_LOCKED
         return True
 
+
 if __name__ == '__main__':
     import sys
     for result in search_amazon(' '.join(sys.argv[1:]), write_html_to='/t/amazon.html'):
diff --git a/src/calibre/gui2/store/stores/amazon_it_plugin.py b/src/calibre/gui2/store/stores/amazon_it_plugin.py
index ded3a8cae9..b99508afba 100644
--- a/src/calibre/gui2/store/stores/amazon_it_plugin.py
+++ b/src/calibre/gui2/store/stores/amazon_it_plugin.py
@@ -4,7 +4,7 @@
 
 from __future__ import (unicode_literals, division, absolute_import,
                         print_function)
-store_version = 12  # Needed for dynamic plugin loading
+store_version = 13  # Needed for dynamic plugin loading
 
 from contextlib import closing
 import urllib
@@ -18,12 +18,12 @@ from calibre.gui2 import open_url
 from calibre.gui2.store import StorePlugin
 from calibre.gui2.store.search_result import SearchResult
 
-SEARCH_BASE_URL = 'http://www.amazon.it/s/'
+SEARCH_BASE_URL = 'https://www.amazon.it/s/'
 SEARCH_BASE_QUERY = {'url': 'search-alias=digital-text'}
 BY = 'di'
 KINDLE_EDITION = 'Formato Kindle'
-DETAILS_URL = 'http://amazon.it/dp/'
-STORE_LINK =  'http://www.amazon.it'
+DETAILS_URL = 'https://amazon.it/dp/'
+STORE_LINK =  'https://www.amazon.it'
 DRM_SEARCH_TEXT = 'Simultaneous Device Usage'
 DRM_FREE_TEXT = 'Unlimited'
 
@@ -144,6 +144,7 @@ class AmazonKindleStore(StorePlugin):
                 search_result.drm = SearchResult.DRM_LOCKED
         return True
 
+
 if __name__ == '__main__':
     import sys
     for result in search_amazon(' '.join(sys.argv[1:]), write_html_to='/t/amazon.html'):
diff --git a/src/calibre/gui2/store/stores/amazon_plugin.py b/src/calibre/gui2/store/stores/amazon_plugin.py
index 56ccc67225..1032182d9c 100644
--- a/src/calibre/gui2/store/stores/amazon_plugin.py
+++ b/src/calibre/gui2/store/stores/amazon_plugin.py
@@ -4,7 +4,7 @@
 
 from __future__ import (unicode_literals, division, absolute_import,
                         print_function)
-store_version = 12  # Needed for dynamic plugin loading
+store_version = 13  # Needed for dynamic plugin loading
 
 from contextlib import closing
 import urllib
@@ -18,10 +18,10 @@ from calibre.gui2 import open_url
 from calibre.gui2.store import StorePlugin
 from calibre.gui2.store.search_result import SearchResult
 
-SEARCH_BASE_URL = 'http://www.amazon.com/s/'
+SEARCH_BASE_URL = 'https://www.amazon.com/s/'
 SEARCH_BASE_QUERY = {'url': 'search-alias=digital-text'}
-DETAILS_URL = 'http://amazon.com/dp/'
-STORE_LINK =  'http://www.amazon.com/Kindle-eBooks'
+DETAILS_URL = 'https://amazon.com/dp/'
+STORE_LINK =  'https://www.amazon.com/Kindle-eBooks'
 DRM_SEARCH_TEXT = 'Simultaneous Device Usage'
 DRM_FREE_TEXT = 'Unlimited'
 
@@ -179,6 +179,7 @@ class AmazonKindleStore(StorePlugin):
                 search_result.drm = SearchResult.DRM_LOCKED
         return True
 
+
 if __name__ == '__main__':
     import sys
     for result in search_amazon(' '.join(sys.argv[1:]), write_html_to='/t/amazon.html'):
diff --git a/src/calibre/gui2/store/stores/amazon_uk_plugin.py b/src/calibre/gui2/store/stores/amazon_uk_plugin.py
index 9786c6f3b7..184e0a42d6 100644
--- a/src/calibre/gui2/store/stores/amazon_uk_plugin.py
+++ b/src/calibre/gui2/store/stores/amazon_uk_plugin.py
@@ -4,7 +4,7 @@
 
 from __future__ import (unicode_literals, division, absolute_import,
                         print_function)
-store_version = 12  # Needed for dynamic plugin loading
+store_version = 13  # Needed for dynamic plugin loading
 
 from contextlib import closing
 import urllib
@@ -18,10 +18,10 @@ from calibre.gui2 import open_url
 from calibre.gui2.store import StorePlugin
 from calibre.gui2.store.search_result import SearchResult
 
-SEARCH_BASE_URL = 'http://www.amazon.co.uk/s/'
+SEARCH_BASE_URL = 'https://www.amazon.co.uk/s/'
 SEARCH_BASE_QUERY = {'url': 'search-alias=digital-text'}
-DETAILS_URL = 'http://amazon.co.uk/dp/'
-STORE_LINK =  'http://www.amazon.co.uk'
+DETAILS_URL = 'https://amazon.co.uk/dp/'
+STORE_LINK =  'https://www.amazon.co.uk'
 DRM_SEARCH_TEXT = 'Simultaneous Device Usage'
 DRM_FREE_TEXT = 'Unlimited'
 
@@ -142,6 +142,7 @@ class AmazonKindleStore(StorePlugin):
                 search_result.drm = SearchResult.DRM_LOCKED
         return True
 
+
 if __name__ == '__main__':
     import sys
     for result in search_amazon(' '.join(sys.argv[1:]), write_html_to='/t/amazon.html'):