diff --git a/.mypy.ini b/.mypy.ini
index a3917513153..6c6bf55f4c3 100644
--- a/.mypy.ini
+++ b/.mypy.ini
@@ -9,6 +9,9 @@ follow_imports = silent
 # This will limit effectiveness but avoids mypy complaining about running code.
 ignore_missing_imports = True
 
+# Make None compatible with every type (the default prior to v 0.600)
+strict_optional = False
+
 [mypy-idl.*]
 # Error if any code is missing type annotations.
 disallow_untyped_defs = True
diff --git a/buildscripts/clang_format.py b/buildscripts/clang_format.py
index 0ec79106c31..2b25cccbc43 100755
--- a/buildscripts/clang_format.py
+++ b/buildscripts/clang_format.py
@@ -71,6 +71,7 @@ def callo(args, **kwargs):
 
 def get_tar_path(version, tar_path):
     """Return the path to clang-format in the llvm tarball."""
+    # pylint: disable=too-many-function-args
     return CLANG_FORMAT_SOURCE_TAR_BASE.substitute(version=version, tar_path=tar_path)
 
 
diff --git a/buildscripts/eslint.py b/buildscripts/eslint.py
index 92a90b03ff3..1793ac7cee8 100755
--- a/buildscripts/eslint.py
+++ b/buildscripts/eslint.py
@@ -92,6 +92,7 @@ def get_eslint_from_cache(dest_file, platform, arch):
     print("Downloading ESLint %s from %s, saving to %s" % (ESLINT_VERSION, url, temp_tar_file))
     urllib.request.urlretrieve(url, temp_tar_file)
 
+    # pylint: disable=too-many-function-args
     eslint_distfile = ESLINT_SOURCE_TAR_BASE.substitute(platform=platform, arch=arch)
     extract_eslint(temp_tar_file, eslint_distfile)
     shutil.move(eslint_distfile, dest_file)
diff --git a/buildscripts/idl/idl/common.py b/buildscripts/idl/idl/common.py
index 39f5f032183..768f0e8e11f 100644
--- a/buildscripts/idl/idl/common.py
+++ b/buildscripts/idl/idl/common.py
@@ -84,6 +84,7 @@ def template_format(template, template_params=None):
     # str.
     # See https://docs.python.org/2/library/string.html#template-strings
     template = _escape_template_string(template)
+    # pylint: disable=too-many-function-args
     return string.Template(template).substitute(template_params)  # type: ignore
 
 
@@ -94,6 +95,7 @@ def template_args(template, **kwargs):
     # str.
     # See https://docs.python.org/2/library/string.html#template-strings
     template = _escape_template_string(template)
+    # pylint: disable=too-many-function-args
     return string.Template(template).substitute(kwargs)  # type: ignore
 
 
diff --git a/buildscripts/linter/mypy.py b/buildscripts/linter/mypy.py
index 04b8de57d48..b2ec8f6022e 100644
--- a/buildscripts/linter/mypy.py
+++ b/buildscripts/linter/mypy.py
@@ -16,7 +16,7 @@ class MypyLinter(base.LinterBase):
         """Create a mypy linter."""
         # User can override the location of mypy from an environment variable.
 
-        super(MypyLinter, self).__init__("mypy", "mypy 0.580", os.getenv("MYPY"))
+        super(MypyLinter, self).__init__("mypy", "0.580", os.getenv("MYPY"))
 
     def get_lint_version_cmd_args(self):
         # type: () -> List[str]
diff --git a/buildscripts/linter/pylint.py b/buildscripts/linter/pylint.py
index 58f452d09b6..7f5c921f032 100644
--- a/buildscripts/linter/pylint.py
+++ b/buildscripts/linter/pylint.py
@@ -13,7 +13,7 @@ class PyLintLinter(base.LinterBase):
     def __init__(self):
         # type: () -> None
         """Create a pylint linter."""
-        super(PyLintLinter, self).__init__("pylint", "pylint 2.3.1")
+        super(PyLintLinter, self).__init__("pylint", "2.3.1")
 
     def get_lint_version_cmd_args(self):
         # type: () -> List[str]
diff --git a/buildscripts/linter/runner.py b/buildscripts/linter/runner.py
index 40b68bb2aa0..623a3c4295e 100644
--- a/buildscripts/linter/runner.py
+++ b/buildscripts/linter/runner.py
@@ -1,5 +1,7 @@
 """Class to support running various linters in a common framework."""
 
+from typing import Dict, List, Optional
+
 import difflib
 import logging
 import os
@@ -8,7 +10,7 @@ import site
 import subprocess
 import sys
 import threading
-from typing import Dict, List, Optional
+import pkg_resources
 
 from . import base
 
@@ -22,22 +24,28 @@ def _check_version(linter, cmd_path, args):
         logging.info(str(cmd))
         process_handle = subprocess.Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
         output, stderr = process_handle.communicate()
-        output = output.decode('utf-8')
+        decoded_output = output.decode('utf-8')
 
         if process_handle.returncode:
             logging.info(
                 "Version check failed for [%s], return code '%d'."
-                "Standard Output:\n%s\nStandard Error:\n%s", cmd, process_handle.returncode, output,
-                stderr)
+                "Standard Output:\n%s\nStandard Error:\n%s", cmd, process_handle.returncode,
+                decoded_output, stderr)
 
-        required_version = re.escape(linter.required_version)
+        pattern = r"\b(?:(%s) )?(?P<version>\S+)\b" % (linter.cmd_name)
+        required_version = pkg_resources.parse_version(linter.required_version)
 
-        pattern = r"\b%s\b" % (required_version)
-        if not re.search(pattern, output):
+        match = re.search(pattern, decoded_output)
+        if match:
+            found_version = match.group('version')
+        else:
+            found_version = '0.0'
+
+        if pkg_resources.parse_version(found_version) < required_version:
             logging.info(
-                "Linter %s has wrong version for '%s'. Expected '%s',"
+                "Linter %s has wrong version for '%s'. Expected >= '%s',"
                 "Standard Output:\n'%s'\nStandard Error:\n%s", linter.cmd_name, cmd,
-                required_version, output, stderr)
+                required_version, decoded_output, stderr)
             return False
 
     except OSError as os_error:
diff --git a/buildscripts/linter/yapf.py b/buildscripts/linter/yapf.py
index d787810a0da..e339e3fc763 100644
--- a/buildscripts/linter/yapf.py
+++ b/buildscripts/linter/yapf.py
@@ -11,7 +11,7 @@ class YapfLinter(base.LinterBase):
     def __init__(self):
         # type: () -> None
         """Create a yapf linter."""
-        super(YapfLinter, self).__init__("yapf", "yapf 0.26.0")
+        super(YapfLinter, self).__init__("yapf", "0.26.0")
 
     def get_lint_version_cmd_args(self):
         # type: () -> List[str]
diff --git a/buildscripts/resmokelib/testing/hooks/stepdown.py b/buildscripts/resmokelib/testing/hooks/stepdown.py
index ea0bffab88b..6e21bbd2d9f 100644
--- a/buildscripts/resmokelib/testing/hooks/stepdown.py
+++ b/buildscripts/resmokelib/testing/hooks/stepdown.py
@@ -370,6 +370,7 @@ class _StepdownThread(threading.Thread):  # pylint: disable=too-many-instance-at
         self._is_idle_evt = threading.Event()
         self._is_idle_evt.set()
 
+        # pylint: disable=too-many-function-args
         self._step_up_stats = collections.Counter()
 
     def run(self):
diff --git a/etc/pip/components/evergreen.req b/etc/pip/components/evergreen.req
index b5ab0d8b133..1e537189c6f 100644
--- a/etc/pip/components/evergreen.req
+++ b/etc/pip/components/evergreen.req
@@ -1,4 +1,4 @@
 click ~= 7.0
-GitPython ~= 2.1.11
+GitPython ~= 3.1.7
 psutil
 structlog ~= 19.1.0
diff --git a/etc/pip/components/lint.req b/etc/pip/components/lint.req
index 4ef690724ec..562a46aa046 100644
--- a/etc/pip/components/lint.req
+++ b/etc/pip/components/lint.req
@@ -1,7 +1,7 @@
 # Linters
 # Note: These versions are checked by python modules in buildscripts/linter/
-GitPython ~= 2.1.11
-mypy == 0.580; python_version > "3.4"
+GitPython ~= 3.1.7
+mypy ~= 0.580; python_version > "3.4"
 pydocstyle == 2.1.1
 pylint == 2.3.1
 structlog ~= 19.1.0