diff --git a/.github/workflows/test-workflow.yml b/.github/workflows/test-workflow.yml
index bb76113..847a3dd 100644
--- a/.github/workflows/test-workflow.yml
+++ b/.github/workflows/test-workflow.yml
@@ -60,7 +60,7 @@ jobs:
 
           - os: ubuntu-22.04
             python-version: "3.12"
-            test-env: "PyQt6~=6.5.0 PyQt6-Qt6~=6.5.0"
+            test-env: "PyQt6~=6.6.0 PyQt6-Qt6~=6.6.0"
             qt-api: "PyQt6"
             extra-system-packages: "glibc-tools"
 
@@ -99,7 +99,7 @@ jobs:
 
           - os: macos-11
             python-version: "3.12"
-            test-env: "PyQt6~=6.5.0 PyQt6-Qt6~=6.5.0"
+            test-env: "PyQt6~=6.6.0 PyQt6-Qt6~=6.6.0"
 
           # Windows
           - os: windows-2019
@@ -136,7 +136,7 @@ jobs:
 
           - os: windows-2019
             python-version: "3.12"
-            test-env: "PyQt6~=6.5.0 PyQt6-Qt6~=6.5.0"
+            test-env: "PyQt6~=6.6.0 PyQt6-Qt6~=6.6.0"
 
     steps:
       - uses: actions/checkout@v3