diff --git a/requirements.txt b/requirements.txt
index db768e8..33dea9e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -31,7 +31,7 @@ py==1.6.0                 # via pytest
 pycparser==2.19           # via cffi
 pyparsing==2.2.1          # via matplotlib
 pytdx==1.67               # via mootdx
-pytest==3.8.1
+pytest==5.2.2
 python-dateutil==2.7.3    # via matplotlib, pandas
 pytz==2018.5
 requests==2.19.1
diff --git a/tests/requirements.txt b/tests/requirements.txt
index 446044f..cf5bd06 100644
--- a/tests/requirements.txt
+++ b/tests/requirements.txt
@@ -3,7 +3,7 @@ tox==3.4.0
 coverage==4.5.1
 cryptography==2.3.1
 PyYAML==3.13
-pytest==3.8.1
+pytest==5.2.2
 pytest-runner==4.2
 python-dateutil==2.7.3
 matplotlib==3.0.0