diff --git a/.github/workflows/check-kodi-repos.yml b/.github/workflows/check-kodi-repos.yml
index 2f937d3..857eef5 100644
--- a/.github/workflows/check-kodi-repos.yml
+++ b/.github/workflows/check-kodi-repos.yml
@@ -11,8 +11,8 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        repo: ['repo-plugins', 'repo-scripts', 'repo-scrapers', 'repo-resources', 'repo-skins']
-        kodi-version: ['gotham', 'helix', 'isengard', 'jarvis', 'krypton', 'leia', 'matrix', 'nexus', 'omega']
+        repo: ['repo-plugins', 'repo-scripts', 'repo-scrapers', 'repo-resources', 'repo-skins', 'repo-webinterfaces']
+        kodi-version: ['gotham', 'helix', 'isengard', 'jarvis', 'krypton', 'leia', 'matrix', 'nexus', 'omega', 'piers']
 
     steps:
       - uses: actions/checkout@v3
diff --git a/kodi_addon_checker/__init__.py b/kodi_addon_checker/__init__.py
index 64e3350..4aa9d6b 100644
--- a/kodi_addon_checker/__init__.py
+++ b/kodi_addon_checker/__init__.py
@@ -6,7 +6,7 @@
     See LICENSES/README.md for more information.
 """
 
-__version__ = "0.0.33"
+__version__ = "0.0.34"
 
 ValidKodiVersions = [
     "gotham",
@@ -18,4 +18,5 @@
     "matrix",
     "nexus",
     "omega",
+    "piers",
 ]
diff --git a/kodi_addon_checker/check_dependencies.py b/kodi_addon_checker/check_dependencies.py
index 88c6543..203ccf4 100644
--- a/kodi_addon_checker/check_dependencies.py
+++ b/kodi_addon_checker/check_dependencies.py
@@ -65,7 +65,8 @@
         'leia': {'min_compatible': '2.1.0', 'advised': '2.26.0'},
         'matrix': {'min_compatible': '3.0.0', 'advised': '3.0.0'},
         'nexus': {'min_compatible': '3.0.0', 'advised': '3.0.1'},
-        'omega': {'min_compatible': '3.0.0', 'advised': '3.0.1'}
+        'omega': {'min_compatible': '3.0.0', 'advised': '3.0.1'},
+        'piers': {'min_compatible': '3.0.0', 'advised': '3.0.1'}
     },
     'xbmc.gui': {
         'gotham': {'min_compatible': '5.0.0', 'advised': '5.0.0'},
@@ -74,9 +75,10 @@
         'jarvis': {'min_compatible': '5.10.0', 'advised': '5.10.0'},
         'krypton': {'min_compatible': '5.12.0', 'advised': '5.12.0'},
         'leia': {'min_compatible': '5.14.0', 'advised': '5.14.0'},
-        'matrix': {'min_compatible': '5.14.0', 'advised': '5.15.0'},
+        'matrix': {'min_compatible': '5.15.0', 'advised': '5.15.0'},
         'nexus': {'min_compatible': '5.15.0', 'advised': '5.16.0'},
-        'omega': {'min_compatible': '5.15.0', 'advised': '5.16.0'}
+        'omega': {'min_compatible': '5.17.0', 'advised': '5.17.0'},
+        'piers': {'min_compatible': '5.17.0', 'advised': '5.17.0'}
     },
     'xbmc.json': {
         'gotham': {'min_compatible': '6.0.0', 'advised': '5.0.0'},
@@ -87,7 +89,8 @@
         'leia': {'min_compatible': '6.0.0', 'advised': '9.7.2'},
         'matrix': {'min_compatible': '6.0.0', 'advised': '12.4.0'},
         'nexus': {'min_compatible': '6.0.0', 'advised': '13.0.0'},
-        'omega': {'min_compatible': '6.0.0', 'advised': '13.0.0'}
+        'omega': {'min_compatible': '6.0.0', 'advised': '13.5.0'},
+        'piers': {'min_compatible': '6.0.0', 'advised': '13.6.0'}
     },
     'xbmc.addon': {
         'gotham': {'min_compatible': '12.0.0', 'advised': '13.0.0'},
@@ -98,7 +101,8 @@
         'leia': {'min_compatible': '12.0.0', 'advised': '17.9.910'},
         'matrix': {'min_compatible': '12.0.0', 'advised': '19.1.0'},
         'nexus': {'min_compatible': '12.0.0', 'advised': '20.0.0'},
-        'omega': {'min_compatible': '12.0.0', 'advised': '20.90.101'}
+        'omega': {'min_compatible': '12.0.0', 'advised': '21.0.0'},
+        'piers': {'min_compatible': '12.0.0', 'advised': '21.90.700'}
     },
     'xbmc.metadata': {
         'gotham': {'min_compatible': '1.0', 'advised': '2.1.0'},
@@ -109,7 +113,8 @@
         'leia': {'min_compatible': '1.0', 'advised': '2.1.0'},
         'matrix': {'min_compatible': '1.0', 'advised': '2.1.0'},
         'nexus': {'min_compatible': '1.0', 'advised': '2.1.0'},
-        'omega': {'min_compatible': '1.0', 'advised': '2.1.0'}
+        'omega': {'min_compatible': '1.0', 'advised': '2.1.0'},
+        'piers': {'min_compatible': '1.0', 'advised': '2.1.0'}
     },
 }