diff --git a/keycloak/exceptions.py b/keycloak/exceptions.py
index 95be231..8c422f7 100644
--- a/keycloak/exceptions.py
+++ b/keycloak/exceptions.py
@@ -16,7 +16,7 @@
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 import requests
-from simplejson import JSONDecodeError
+from json import JSONDecodeError
 
 
 class KeycloakError(Exception):
diff --git a/requirements.txt b/requirements.txt
index bc7067a..61caa61 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,3 @@
-requests==2.18.3
+requests==2.18.4
 httmock==1.2.5
 python-jose==1.3.2
-simplejson
\ No newline at end of file