diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 38def1f..568d095 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -12,7 +12,7 @@ jobs:
     strategy:
       matrix:
         os: [ ubuntu-latest, macOS-latest ]
-        python-version: [ "3.7", "3.8", "3.9" ]
+        python-version: [ "3.8", "3.9", "3.10" ]
 
     steps:
       - uses: actions/checkout@v2
diff --git a/setup.cfg b/setup.cfg
index f2a7328..6423a5e 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -37,14 +37,13 @@ classifiers =
 packages =
     thumbnails
 install_requires =
-    av==8.0.0;sys_platform=='win32'
-    av==9.2.0;sys_platform!='win32'
+    av>=11.0.0
     click>=8.0.3
     imageio-ffmpeg>=0.4.7
     imageio>=2.23.0
     pillow>=8.4.0
-    rich>=13.0.0
-python_requires = >=3.7
+    rich==13.0.0
+python_requires = >=3.8
 package_dir =
     =src
 zip_safe = no
diff --git a/src/thumbnails/__init__.py b/src/thumbnails/__init__.py
index fb9fd69..99f608a 100644
--- a/src/thumbnails/__init__.py
+++ b/src/thumbnails/__init__.py
@@ -22,7 +22,7 @@
 from .thumbnail import ThumbnailVTT
 from .thumbnail import register_thumbnail
 
-__version__ = "0.1.11"
+__version__ = "0.1.12"
 __all__ = (
     "Generator",
     "Thumbnail",
diff --git a/tox.ini b/tox.ini
index 4a56098..d451148 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,9 +1,9 @@
 [tox]
-minversion = 3.7.0
+minversion = 3.8.0
 envlist =
-    python3.7
     python3.8
     python3.9
+    python3.10
 isolated_build = true
 
 [testenv]