diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
old mode 100755
new mode 100644
index e873934..551e422
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -15,6 +15,14 @@ repos:
     hooks:
       - id: isort
 
+  # Can run individually with `flynt [file]` or `flynt [source]`
+  - repo: https://github.com/ikamensh/flynt
+    rev: '0.78'
+    hooks:
+      - id: flynt
+        args: ["--fail-on-change", "--verbose"]
+        require_serial: true
+
   # Can run individually with `pre-commit run flake8 --all-files`
   # Need to use flake8 GitHub mirror due to CentOS git issue with GitLab
   # https://github.com/pre-commit/pre-commit/issues/1206
diff --git a/pyproject.toml b/pyproject.toml
index b1ae0d8..a53d8b6 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -44,6 +44,7 @@ dev = [
     "pip",
     "pytest",
     "isort",
+    "flynt",
     "flake8",
     "mypy",
     "pre-commit",
diff --git a/spec-file.txt b/spec-file.txt
index 108ac1b..dca8855 100644
--- a/spec-file.txt
+++ b/spec-file.txt
@@ -13,6 +13,7 @@ setuptools >=60
 pip
 pytest
 isort
+flynt
 flake8
 mypy
 pre-commit