diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 19af216..878fbb0 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -35,7 +35,7 @@ repos:
     -   id: add-trailing-comma
         args: [--py36-plus]
 -   repo: https://github.com/asottile/pyupgrade
-    rev: v2.23.1
+    rev: v2.25.0
     hooks:
     -   id: pyupgrade
         args: [--py36-plus]
diff --git a/identify/extensions.py b/identify/extensions.py
index 3da6526..8e650ed 100644
--- a/identify/extensions.py
+++ b/identify/extensions.py
@@ -138,6 +138,7 @@ EXTENSIONS = {
     'pp': {'text', 'puppet'},
     'properties': {'text', 'java-properties'},
     'proto': {'text', 'proto'},
+    'ps1': {'text', 'powershell'},
     'puml': {'text', 'plantuml'},
     'purs': {'text', 'purescript'},
     'pxd': {'text', 'cython'},
diff --git a/setup.cfg b/setup.cfg
index 3d9c651..0388d74 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,6 +1,6 @@
 [metadata]
 name = identify
-version = 2.2.13
+version = 2.2.14
 description = File identification library for Python
 long_description = file: README.md
 long_description_content_type = text/markdown