update version

requirements.txt

@@ -1,17 +1,17 @@
-environs==9.3.0
-Flask==1.1.2
-attrs==20.3.0
-retrying==1.3.3
-aiohttp==3.8.1
-requests==2.25.1
-loguru==0.5.3
-pyquery==1.4.3
-supervisor==4.2.1
-redis==3.5.3
-lxml==4.6.5
-fake_headers==1.0.2
+environs>=9.3.0,<10.0.0
+Flask>=1.1.2,<2.0.0
+attrs>=20.3.0,<21.0.0
+retrying>=1.3.3,<2.0.0
+aiohttp>=3.8.1,<4.0.0
+requests>=2.25.1,<3.0.0
+loguru>=0.5.3,<1.0.0
+pyquery>=1.4.3,<2.0.0
+supervisor>=4.2.1,<5.0.0
+redis>=3.5.3,<4.0.0
+lxml>=4.6.5,<5.0.0
+fake_headers>=1.0.2,<2.0.0
 maxminddb_geolite2==2018.703
-gevent>=21.1.0
-tornado>=6.0
-meinheld>=1.0.0
-itsdangerous==0.24
+gevent>=21.1.0,<22.0.0
+tornado>=6.0,<7.0
+meinheld>=1.0.0,<2.0.0
+itsdangerous>=0.24,<1.0.0