diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 3d26c16a2e..09f915bbbb 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -341,7 +341,7 @@ merge-req:ubuntu-clang-other-tests:
 # find a more independent way of installing Qt, e.g. via a download+cache.
 merge-req:windows:
   tags:
-    - wireshark-windows-dev
+    - wireshark-windows-merge-req
   stage: build
   rules:
     # The wireshark-windows-dev image is only available via a dedicated runner.
@@ -356,7 +356,7 @@ merge-req:windows:
     - $env:Configuration = "RelWithDebInfo"
     - $env:Path += ";C:\Program Files\CMake\bin"
     - $env:Path += ";C:\Strawberry\c\bin;C:\Strawberry\perl\site\bin;C:\Strawberry\perl\bin"
-    - $env:Path += ";C:\qt\5.15.1\msvc2019_64\bin"
+    - $env:Path += ";C:\qt\5.15.2\msvc2019_64\bin"
     # https://help.appveyor.com/discussions/questions/18777-how-to-use-vcvars64bat-from-powershell
     - cmd.exe /c "call `"C:\Program Files (x86)\Microsoft Visual Studio\2019\Community\VC\Auxiliary\Build\vcvars64.bat`" && set > %temp%\vcvars.txt"
     - Get-Content "$env:temp\vcvars.txt" | Foreach-Object { if ($_ -match "^(.*?)=(.*)$") { Set-Content "env:\$($matches[1])" $matches[2] } }