diff --git a/requirements.txt b/requirements.txt
index 9f724f3..51432fe 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
 # Automatically generated by https://github.com/damnever/pigar.
 
-loguru == 0.5.1
+loguru == 0.5.3
 
 pytest == 6.0.1
 
diff --git a/setup.py b/setup.py
index 87103d1..c4a7231 100644
--- a/setup.py
+++ b/setup.py
@@ -12,7 +12,7 @@
     license="LGPL",
 
     install_requires=[
-        'loguru == 0.5.1', 'pytest == 6.0.1', 'regex == 2020.7.14', 'requests == 2.24.0', 'cachetools == 4.2.0'],
+        'loguru == 0.5.3', 'pytest == 6.0.1', 'regex == 2020.7.14', 'requests == 2.24.0', 'cachetools == 4.2.0'],
 )
 
 # to generate tar.gz file: python setup.py sdist