dependency updates

Author: nwoodward

Pipfile

@@ -6,30 +6,30 @@ verify_ssl = true
 [dev-packages]
 
 [packages]
-astroid ="2.4.2"
-bleach = "==3.2.1"
-certifi = "==2020.11.8"
+astroid ="2.5.1"
+bleach = "==3.3.0"
+certifi = "==2020.12.5"
 chardet = "==3.0.4"
 click = "==7.1.2"
 dataverse = {editable = true, git = "https://github.com/IQSS/dataverse-client-python.git", ref = "5f95a11e2f32bcfabe28e6ad43b2f7edac60d983"}
 first = "==2.0.2"
 html5lib = "==1.1"
 idna = "==2.10"
-isort = "==5.6.4"
-lazy-object-proxy = "==1.4.3"
-lxml = "==4.6.1"
+isort = "==5.8.0"
+lazy-object-proxy = "==1.6.0"
+lxml = "==4.6.3"
 mccabe = "==0.6.1"
 psycopg2 = "==2.8.6"
-pylint = "==2.6.0"
+pylint = "==2.7.2"
 pyparsing = "==2.4.7"
-requests = "==2.24.0"
+requests = "==2.25.1"
 six = "==1.15.0"
-toml = "==0.10.1"
-typed-ast = "==1.4.1"
-urllib3 = "==1.25.11"
+toml = "==0.10.2"
+typed-ast = "==1.4.2"
+urllib3 = "==1.26.4"
 webencodings = "==0.5.1"
 wrapt = "==1.12.1"
-PyYAML = "==5.3.1"
+PyYAML = "==5.4.1"
 XlsxWriter = "==1.3.7"
 
 [requires]