diff --git a/requirements.txt b/requirements.txt
index 62eda90..18a0048 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -15,13 +15,12 @@ django-reversion==2.0.13
 django-reversion-compare==0.8.4
 django-simple-captcha==0.5.6
 djangorestframework==3.8.2
-gitdb==0.6.4
-GitPython==2.1.8
+gitdb2==2.0.5
+GitPython==2.1.11
 kombu==4.1.0
 mysqlclient==1.3.12
 Pillow==5.1.0
 pytz==2018.4
 six==1.11.0
-smmap==0.9.0
-smmap2==2.0.3
+smmap2==2.0.5
 vine==1.1.4