diff --git a/poetry.lock b/poetry.lock
index 4bd32d07..becaace1 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -3038,4 +3038,4 @@ testing = ["flake8 (<5)", "func-timeout", "jaraco.functools", "jaraco.itertools"
 [metadata]
 lock-version = "2.0"
 python-versions = ">=3.8,<3.12"
-content-hash = "6a7483e04716e6cb6aeac91137cd39648656ab7980c1f8adcdc88aab7d12c759"
+content-hash = "91b88a6bfb47ed705792b4dc83c611895022bf43d9cf7b7ee650f425ab6d2ff8"
diff --git a/pyproject.toml b/pyproject.toml
index 0dd1c9ae..c66ce330 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -50,9 +50,9 @@ colorama = { version = "==0.4.6", platform = "win32" }
 jsonschema = "=3.2.0"
 dpath = "==1.5.0"
 GitPython = "==3.1.31"
-packaging = ">=21.3,<22.0"
+packaging = "==21.3"
 python-minifier = "==2.8.1"
-mypy = ">=0.991,<1.1"
+mypy = "==1.0.1"
 ## rshell is broken on windows (with python >=3.10) due to pyreadline dependency.
 rshell = [
     { version = "^0.0.31", platform = "win32", python = "<3.10" },
@@ -66,7 +66,7 @@ pydantic = "1.10.6"
 distlib = "0.3.6"
 importlib-metadata = { version = "==5.2.0", python = '<3.10' }
 micropython-stubber = "==1.13.1.post1"
-libcst = "^0.4.9"
+libcst = "0.4.9"
 
 [tool.poetry.group.dev.dependencies]
 bump2version = "^0.5.11"