diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index e4ab74091d6b6..dbddba57ef21c 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -93,7 +93,7 @@ repos:
         types: [python]
         stages: [manual]
         additional_dependencies: &pyright_dependencies
-        - pyright@1.1.262
+        - pyright@1.1.264
     -   id: pyright_reportGeneralTypeIssues
         # note: assumes python env is setup and activated
         name: pyright reportGeneralTypeIssues
diff --git a/doc/source/whatsnew/v1.5.0.rst b/doc/source/whatsnew/v1.5.0.rst
index d138ebb9c02a3..3d608f9e42cdf 100644
--- a/doc/source/whatsnew/v1.5.0.rst
+++ b/doc/source/whatsnew/v1.5.0.rst
@@ -418,7 +418,7 @@ If installed, we now require:
 +=================+=================+==========+=========+
 | numpy           | 1.19.5          |    X     |    X    |
 +-----------------+-----------------+----------+---------+
-| mypy (dev)      | 0.960           |          |    X    |
+| mypy (dev)      | 0.971           |          |    X    |
 +-----------------+-----------------+----------+---------+
 | beautifulsoup4  | 4.9.3           |          |    X    |
 +-----------------+-----------------+----------+---------+
diff --git a/environment.yml b/environment.yml
index fd0822b13984e..ec2e0a3860432 100644
--- a/environment.yml
+++ b/environment.yml
@@ -88,7 +88,7 @@ dependencies:
   - flake8-bugbear=21.3.2  # used by flake8, find likely bugs
   - flake8-comprehensions=3.7.0  # used by flake8, linting of unnecessary comprehensions
   - isort>=5.2.1  # check that imports are in the right order
-  - mypy=0.960
+  - mypy=0.971
   - pre-commit>=2.15.0
   - pycodestyle  # used by flake8
   - pyupgrade
diff --git a/pandas/core/computation/expr.py b/pandas/core/computation/expr.py
index 90824ce8d856f..ff3f259f49955 100644
--- a/pandas/core/computation/expr.py
+++ b/pandas/core/computation/expr.py
@@ -774,7 +774,9 @@ def __init__(
 
 @disallow(_unsupported_nodes | _python_not_supported | frozenset(["Not"]))
 class PythonExprVisitor(BaseExprVisitor):
-    def __init__(self, env, engine, parser, preparser=lambda x: x) -> None:
+    def __init__(
+        self, env, engine, parser, preparser=lambda source, f=None: source
+    ) -> None:
         super().__init__(env, engine, parser, preparser=preparser)
 
 
diff --git a/pandas/core/computation/ops.py b/pandas/core/computation/ops.py
index db5f28e2ae6c1..e331fc89f69b7 100644
--- a/pandas/core/computation/ops.py
+++ b/pandas/core/computation/ops.py
@@ -10,6 +10,7 @@
 from typing import (
     Callable,
     Iterable,
+    Literal,
 )
 
 import numpy as np
@@ -552,7 +553,7 @@ class UnaryOp(Op):
         * If no function associated with the passed operator token is found.
     """
 
-    def __init__(self, op: str, operand) -> None:
+    def __init__(self, op: Literal["+", "-", "~", "not"], operand) -> None:
         super().__init__(op, (operand,))
         self.operand = operand
 
diff --git a/requirements-dev.txt b/requirements-dev.txt
index e1e98ef8ffe23..5a9647456cb0b 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -67,7 +67,7 @@ flake8==4.0.1
 flake8-bugbear==21.3.2
 flake8-comprehensions==3.7.0
 isort>=5.2.1
-mypy==0.960
+mypy==0.971
 pre-commit>=2.15.0
 pycodestyle
 pyupgrade