diff --git a/src/requirements/production.txt b/src/requirements/production.txt
index 8ab930a41d..afa6f459df 100644
--- a/src/requirements/production.txt
+++ b/src/requirements/production.txt
@@ -16,7 +16,7 @@ libsass
 django-otp==0.3.*
 python-u2flib-server==4.*
 django-formtools==2.0
-celery==4.1.*
+celery>=4.1.1,<4.2.0
 kombu==4.2.*
 django-statici18n==1.3.*
 inlinestyler==0.2.*
diff --git a/src/setup.py b/src/setup.py
index e14e2ece2d..ccc9921683 100644
--- a/src/setup.py
+++ b/src/setup.py
@@ -81,7 +81,7 @@ setup(
         'django-otp==0.3.*',
         'python-u2flib-server==4.*',
         'django-formtools==2.0',
-        'celery==4.1.*',
+        'celery>=4.1.1,<4.2.0',
         'kombu==4.2.*',
         'django-statici18n==1.3.*',
         'inlinestyler==0.2.*',