diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index d6b3963de..10ad40c81 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -212,10 +212,24 @@ jobs:
           pip install -U pip
           pip install aqtinstall
           mkdir C:\Qt
-          python -m aqt install-qt windows desktop 6.9.3 win64_msvc2022_64 -O c:\Qt -m qt5compat qtmultimedia qtimageformats qtshadertools qtspeech || exit /b 1
+          call :install_qt windows desktop 6.9.3 win64_msvc2022_64 -O c:\Qt -m qt5compat qtmultimedia qtimageformats qtshadertools qtspeech || exit /b 1
           dir C:\Qt\6.9.3\msvc2022_64\bin
           curl.exe -L --retry 5 --retry-delay 5 --retry-all-errors "https://aka.ms/vs/17/release/vc_redist.x64.exe" -o "%GITHUB_WORKSPACE%\vc_redist.x64.exe"
           where iscc
+          goto :eof
+
+          rem Retry aqt: on Windows it intermittently aborts with a spurious
+          rem "Bad7zFile: Specified path is bad", a false positive in py7zr's
+          rem path traversal check. The failing entry differs run to run, so a
+          rem repeat attempt usually succeeds.
+          rem See https://github.com/miurahr/aqtinstall/issues/995
+          rem and https://github.com/miurahr/py7zr/issues/714
+          :install_qt
+          for /l %%i in (1,1,3) do (
+            python -m aqt install-qt %* && exit /b 0
+            echo aqt install-qt failed on attempt %%i of 3
+          )
+          exit /b 1
 
       - name: Build
         shell: cmd
@@ -356,11 +370,25 @@ jobs:
         run: |
           pip install aqtinstall
           mkdir C:\Qt
-          python -m aqt install-qt windows desktop 6.9.3 win64_msvc2022_64 -O c:\Qt -m qt5compat qtmultimedia qtimageformats qtshadertools qtspeech || exit /b 1
-          python -m aqt install-qt windows desktop 6.9.3 win64_msvc2022_arm64_cross_compiled -O c:\Qt -m qt5compat qtmultimedia qtimageformats qtshadertools qtspeech || exit /b 1
+          call :install_qt windows desktop 6.9.3 win64_msvc2022_64 -O c:\Qt -m qt5compat qtmultimedia qtimageformats qtshadertools qtspeech || exit /b 1
+          call :install_qt windows desktop 6.9.3 win64_msvc2022_arm64_cross_compiled -O c:\Qt -m qt5compat qtmultimedia qtimageformats qtshadertools qtspeech || exit /b 1
           dir C:\Qt\6.9.3\msvc2022_arm64\bin
           curl.exe -L --retry 5 --retry-delay 5 --retry-all-errors "https://aka.ms/vs/17/release/vc_redist.arm64.exe" -o "%GITHUB_WORKSPACE%\vc_redist.arm64.exe"
           where iscc
+          goto :eof
+
+          rem Retry aqt: on Windows it intermittently aborts with a spurious
+          rem "Bad7zFile: Specified path is bad", a false positive in py7zr's
+          rem path traversal check. The failing entry differs run to run, so a
+          rem repeat attempt usually succeeds.
+          rem See https://github.com/miurahr/aqtinstall/issues/995
+          rem and https://github.com/miurahr/py7zr/issues/714
+          :install_qt
+          for /l %%i in (1,1,3) do (
+            python -m aqt install-qt %* && exit /b 0
+            echo aqt install-qt failed on attempt %%i of 3
+          )
+          exit /b 1
 
       - name: Build
         shell: cmd