bump

requirements.txt

@@ -1,17 +1,17 @@
 # Install with "python -m pip install -r requirements.txt".
 # must be kept in sync with setup.py
 
-requests==2.25.0
+requests==2.25.1
 warcio==1.7.4
 
 # used by Makefile
-coverage==5.3
-pytest==6.1.2
-pytest-cov==2.10.1
+coverage==5.5
+pytest==6.2.4
+pytest-cov==2.12.1
 pytest-sugar==0.9.4
-coveralls==2.2.0
+coveralls==3.1.0
 
 # packaging
 twine<2  # python 3.5 needs < 2
-setuptools==51.0.0
-setuptools-scm==4.1.2  # python 3.5 needs < 6
+setuptools==57.0.0
+setuptools-scm<6  # python 3.5 needs < 6