pin version numbers in requirements.txt

requirements.txt

@@ -22,14 +22,14 @@ jmespath~=1.0.1
 pytest~=7.4.0
 Faker~=19.3.1
 responses~=0.23.1
-sphinx
-sphinx-rtd-theme
+sphinx~=6.2.1
+sphinx-rtd-theme~=1.2.2
 requests~=2.31.0
-docutils
-isort
-black
-flake8
-mypy
-ruff
-types-setuptools
-types-requests
+docutils~=0.18.1
+isort~=5.12.0
+black~=23.3.0
+flake8~=6.0.0
+mypy~=1.4.1
+ruff~=0.0.277
+types-setuptools~=68.0.0.1
+types-requests~=2.31.0.1