diff --git a/.github/workflows/test-and-check.yml b/.github/workflows/test-and-check.yml
index d9d6dae..5f46d67 100644
--- a/.github/workflows/test-and-check.yml
+++ b/.github/workflows/test-and-check.yml
@@ -16,7 +16,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        python-version: [3.8, 3.9]
+        python-version: [3.9]
         os: [ubuntu-latest, windows-latest, macOS-latest]
 
     steps:
diff --git a/setup.py b/setup.py
index 4f26ba5..0f9fe35 100644
--- a/setup.py
+++ b/setup.py
@@ -2,8 +2,8 @@
 
 
 requirements = [
-    "aicsimageio ~= 4.7",
-    "aicspylibczi ~= 3.0.0",
+    "aicsimageio ~= 4.13.0",
+    "aicspylibczi ~= 3.2",
     "numpy",
     # v0.19.3 causes test failure for TestAlignmentCore::test_align_image
     "scikit-image ~= 0.21.0",