diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 668e474..a17424b 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -1,7 +1,7 @@
 default_install_hook_types:
   - pre-commit
 
-default_stages: [commit, push]
+default_stages: [pre-commit, pre-push]
 
 repos:
   - repo: local
@@ -14,7 +14,7 @@ repos:
         # files: .pre-commit-config.yaml
 
   - repo: https://github.com/pre-commit/pre-commit-hooks
-    rev: v4.6.0
+    rev: v5.0.0
     hooks:
       - id: check-symlinks
       - id: trailing-whitespace
@@ -33,7 +33,7 @@ repos:
       - id: check-vcs-permalinks
 
   - repo: https://github.com/gitleaks/gitleaks
-    rev: v8.18.3
+    rev: v8.26.0
     hooks:
       - id: gitleaks
 
diff --git a/mkdocs_exclude_unused_files/plugin.py b/mkdocs_exclude_unused_files/plugin.py
index c99fe90..9d0cff7 100644
--- a/mkdocs_exclude_unused_files/plugin.py
+++ b/mkdocs_exclude_unused_files/plugin.py
@@ -15,6 +15,45 @@
 
 log = logging.getLogger(f"mkdocs.plugins.{__name__}")
 
+DEFAULT_FILES_TO_CHECK: list[str] = [
+    "png",
+    "jpg",
+    "jpeg",
+    "gif",
+    "pdf",
+    "ico",
+    "drawio",
+    "tif",
+    "tiff",
+    "zip",
+    "rar",
+    "tar.gz",
+    "ogg",
+    "mp3",
+    "mp4",
+    "vtt ",
+    "ogv",
+    "mov",
+    "svg",
+    "pot",
+    "potx",
+    "ppsx",
+    "ppt",
+    "pptx",
+    "xlt",
+    "xltx",
+    "xls",
+    "xlsx",
+    "doc",
+    "docx",
+    "dot",
+    "dotx",
+    "vst",
+    "vstx",
+    "vsd",
+    "vsdx",
+]
+
 
 class ExcludeUnusedFilesPluginConfig(mkdocs.config.base.Config):
     enabled = mkdocs.config.config_options.Type(bool, default=True)
@@ -32,59 +71,28 @@ class ExcludeUnusedFilesPluginConfig(mkdocs.config.base.Config):
 
 
 class ExcludeUnusedFilesPlugin(BasePlugin[ExcludeUnusedFilesPluginConfig]):
-    asset_files: Set[str] = set()
-    file_types_to_check = [
-        "png",
-        "jpg",
-        "jpeg",
-        "gif",
-        "pdf",
-        "ico",
-        "drawio",
-        "tif",
-        "tiff",
-        "zip",
-        "rar",
-        "tar.gz",
-        "ogg",
-        "mp3",
-        "mp4",
-        "vtt ",
-        "ogv",
-        "mov",
-        "svg",
-        "pot",
-        "potx",
-        "ppsx",
-        "ppt",
-        "pptx",
-        "xlt",
-        "xltx",
-        "xls",
-        "xlsx",
-        "doc",
-        "docx",
-        "dot",
-        "dotx",
-        "vst",
-        "vstx",
-        "vsd",
-        "vsdx",
-    ]
+    def __init__(self):
+        self.asset_files: Set[str] = set()
+        self.file_types_to_check: list[str] = DEFAULT_FILES_TO_CHECK
+
+    @mkdocs.plugins.event_priority(-100)
+    def on_startup(self, command, dirty) -> None:
+        self.mkdocs_command: str = command
 
     @mkdocs.plugins.event_priority(-100)
-    def on_startup(self, *, command, dirty) -> None:
-        self.mkdocs_command = command
-        self.is_enabled = self.config.enabled
+    def on_config(self, config: MkDocsConfig) -> MkDocsConfig:
+        self.is_enabled: bool = self.config.enabled
 
+        # Early exit if plugin is not enabled
         if not self.is_enabled:
             log.debug("exclude-unused-files plugin disabled")
-            return
+            return config
+
         # Disable plugin when the documentation is served, i.e., "mkdocs serve" is used
-        if command == "serve" and not self.config.enabled_on_serve:
+        if self.mkdocs_command == "serve" and not self.config.enabled_on_serve:
             log.debug("exclude-unused-files plugin disabled while MkDocs is running in 'serve' mode.")
             self.is_enabled = False
-            return
+            return config
 
         if self.is_enabled:
             if self.config.file_types_override_mode == "append" and self.config.file_types_to_check != []:
@@ -101,6 +109,8 @@ def on_startup(self, *, command, dirty) -> None:
             self.file_types_to_check = [*set(self.file_types_to_check)]
             log.debug("final file_types_to_check: %s", ", ".join(self.file_types_to_check))
 
+        return config
+
     @mkdocs.plugins.event_priority(-100)
     def on_files(self, files: Files, config: MkDocsConfig) -> Optional[Files]:
         if not self.is_enabled:
diff --git a/pyproject.toml b/pyproject.toml
index c850bbe..2ce1ace 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -37,7 +37,7 @@ bandit = "^1.7.7"
 types-beautifulsoup4 = "^4.12.0.20240106"
 mkdocs-material = "^9.5.5"
 
-[tool.poetry.plugins."poetry-plugin-up"]
+# [tool.poetry.plugins."poetry-plugin-up"]
 # https://github.com/MousaZeidBaker/poetry-plugin-up#usage
 
 [tool.poetry-dynamic-versioning]