diff --git a/mayan/apps/document_signatures/tests/test_models.py b/mayan/apps/document_signatures/tests/test_models.py
index c184ffc37f..28678dbac1 100644
--- a/mayan/apps/document_signatures/tests/test_models.py
+++ b/mayan/apps/document_signatures/tests/test_models.py
@@ -1,6 +1,7 @@
 from __future__ import unicode_literals
 
 import os
+import time
 
 from django.conf import settings
 from django.core.files.base import File
@@ -57,6 +58,11 @@ class DocumentTestCase(TestCase):
                 file_object=File(file_object), comment='test comment 1'
             )
 
+        # Artifical delay since MySQL doesn't store microsecond data in
+        # timestamps. Version timestamp is used to determine which version
+        # is the latest.
+        time.sleep(1)
+
         self.assertEqual(
             DocumentVersionSignature.objects.has_detached_signature(
                 self.document.latest_version
diff --git a/mayan/apps/documents/tests/test_api.py b/mayan/apps/documents/tests/test_api.py
index 9b00e9df19..9fa1bc02f5 100644
--- a/mayan/apps/documents/tests/test_api.py
+++ b/mayan/apps/documents/tests/test_api.py
@@ -178,6 +178,10 @@ class DocumentAPITestCase(APITestCase):
                 file_object=File(file_object),
             )
 
+        # Artifical delay since MySQL doesn't store microsecond data in
+        # timestamps. Version timestamp is used to determine which version
+        # is the latest.
+        time.sleep(1)
         with open(TEST_DOCUMENT_PATH) as file_descriptor:
             response = self.client.post(
                 reverse(