Updated dependencies

Signed-off-by: Dimitris Zlatanidis <d.zlatanidis@gmail.com>

requirements.txt

@@ -11,6 +11,6 @@
 # perl 5 language and graph-easy >= 0.75 (drawing dependencies ascii diagram)
 # python3-pythondialog >= 3.5.0 (Python interface to the UNIX dialog utility)
 
-urllib3 >= 1.25.7
+urllib3 >= 1.26.2
 flake8 >= 3.5.0
-pytest >= 5.3.2
+pytest >= 5.3.2

setup.py

@@ -36,10 +36,10 @@ tests_requires = [
     "pytest>=5.3.2"
 ]
 install_requires = [
-    "urllib3>=1.25.7"
+    "urllib3>=1.26.2"
 ]
 optional_requires = [
-    "pythondialog>=3.5.0",
+    "pythondialog>=3.5.1",
     "pygraphviz>=1.3.1"
 ]
 
@@ -99,4 +99,4 @@ setup(
         "Topic :: System :: Software Distribution",
         "Topic :: Utilities"],
     python_requires=">=3.7"
-)
+)