diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 1d3a6bc1..6181b043 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -5,7 +5,7 @@ fail_fast: true
 # (run `python scripts/sync_pre_commit_versions.py` to sync them)
 repos:
   - repo: https://github.com/pre-commit/pre-commit-hooks
-    rev: v5.0.0
+    rev: v6.0.0
     hooks:
       - id: trailing-whitespace
       - id: end-of-file-fixer
@@ -13,7 +13,7 @@ repos:
         exclude: conda/meta.yaml
 
   - repo: https://github.com/psf/black
-    rev: 25.1.0
+    rev: 26.5.1
     hooks:
       - id: black
 
@@ -33,7 +33,7 @@ repos:
         exclude: analysis_data_preprocess
 
   - repo: https://github.com/pre-commit/mirrors-mypy
-    rev: v1.18.2
+    rev: v2.3.0
     hooks:
       - id: mypy
         args: ["--config=pyproject.toml", "--install-types", "--non-interactive"]
diff --git a/conda/dev.yml b/conda/dev.yml
index 291dfbb0..cf13f06d 100644
--- a/conda/dev.yml
+++ b/conda/dev.yml
@@ -16,11 +16,11 @@ dependencies:
   # `.pre-commit-config.yaml`, then run
   # `python scripts/sync_pre_commit_versions.py` to update the pinned versions
   # here and in the `qa` extra of pyproject.toml.
-  - black ==25.1.0
+  - black ==26.5.1
   - flake8 ==7.3.0
   - flake8-isort ==6.1.2
   - isort ==6.0.1
-  - mypy ==1.18.2
+  - mypy ==2.3.0
   - pre-commit ==4.3.0
   - pyyaml
   - tbump >=6.9.0
diff --git a/pyproject.toml b/pyproject.toml
index 5134c334..fce825f7 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -23,11 +23,11 @@ zstash = "zstash.main:main"
 # (run `python scripts/sync_pre_commit_versions.py` to sync them)
 [project.optional-dependencies]
 qa = [
-  "black==25.1.0",
+  "black==26.5.1",
   "flake8==7.3.0",
   "flake8-isort==6.1.2",
   "isort==6.0.1",
-  "mypy==1.18.2",
+  "mypy==2.3.0",
   "pre-commit==4.3.0",
   "pyyaml",
 ]
diff --git a/tests/unit/test_optimized_update.py b/tests/unit/test_optimized_update.py
index 5934209b..3edc9ec7 100644
--- a/tests/unit/test_optimized_update.py
+++ b/tests/unit/test_optimized_update.py
@@ -570,15 +570,13 @@ def mock_database():
     cur = conn.cursor()
 
     # Create files table
-    cur.execute(
-        """
+    cur.execute("""
         CREATE TABLE files (
             name TEXT,
             size INTEGER,
             mtime TIMESTAMP
         )
-    """
-    )
+    """)
 
     yield cur
 
diff --git a/zstash/create.py b/zstash/create.py
index 872b91e4..3406535e 100644
--- a/zstash/create.py
+++ b/zstash/create.py
@@ -228,19 +228,16 @@ def create_database(
     cur: sqlite3.Cursor = con.cursor()
 
     # Create 'config' table
-    cur.execute(
-        """
+    cur.execute("""
 create table config (
   arg text primary key,
   value text
 );
-    """
-    )
+    """)
     con.commit()
 
     # Create 'files' table
-    cur.execute(
-        """
+    cur.execute("""
 create table files (
   id integer primary key,
   name text,
@@ -250,8 +247,7 @@ def create_database(
   tar text,
   offset integer
 );
-    """
-    )
+    """)
     con.commit()
 
     if not args.no_tars_md5:
diff --git a/zstash/main.py b/zstash/main.py
index 7d011d23..27155cf3 100755
--- a/zstash/main.py
+++ b/zstash/main.py
@@ -52,9 +52,7 @@ def main():
 
 For help with a specific command
   zstash command --help
-""".format(
-            __version__
-        )
+""".format(__version__)
     )
     parser.add_argument("command", help="command to run (create, update, extract, ...)")
     # parse_args defaults to [1:] for args, but you need to
diff --git a/zstash/utils.py b/zstash/utils.py
index fb2e3a3d..8994da0e 100644
--- a/zstash/utils.py
+++ b/zstash/utils.py
@@ -161,7 +161,7 @@ def run_command(command: str, error_str: str) -> None:
     )
     stdout: bytes
     stderr: bytes
-    (stdout, stderr) = p1.communicate()
+    stdout, stderr = p1.communicate()
     status: int = p1.returncode
     if status != 0:
         error_str = "Error={}, Command was `{}`".format(error_str, command)
@@ -255,16 +255,14 @@ def update_config(cur: sqlite3.Cursor):
 
 def create_tars_table(cur: sqlite3.Cursor, con: sqlite3.Connection):
     # Create 'tars' table
-    cur.execute(
-        """
+    cur.execute("""
 create table tars (
 id integer primary key,
 name text,
 size integer,
 md5 text
 );
-    """
-    )
+    """)
     con.commit()