diff --git a/requirements-dev.txt b/requirements-dev.txt
index 768509903..1bbf5cbe1 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -4,7 +4,7 @@
 flake8==3.7.5
 flake8-type-annotations==0.1.0
 flake8-tidy-imports==2.0.0
-pytest==4.2.0
+pytest==4.2.1
 pytest-mock==1.10.1
 pytest-asyncio==0.10.0
 pytest-cov==2.6.1
diff --git a/requirements.txt b/requirements.txt
index 0621c5b04..9d3bc6d0d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,7 +1,7 @@
-ccxt==1.18.230
+ccxt==1.18.234
 SQLAlchemy==1.2.17
 python-telegram-bot==11.1.0
-arrow==0.13.0
+arrow==0.13.1
 cachetools==3.1.0
 requests==2.21.0
 urllib3==1.24.1