diff --git a/.gitlab-ci/windows/mesa_deps.ps1 b/.gitlab-ci/windows/mesa_deps.ps1
index 7bea163588f..5ee3f9719c5 100644
--- a/.gitlab-ci/windows/mesa_deps.ps1
+++ b/.gitlab-ci/windows/mesa_deps.ps1
@@ -51,16 +51,19 @@ if (!$?) {
   Exit 1
 }
 
-# ideally we need to use a tag here instead of master
+# ideally we want to use a tag here insted of a sha,
 # but as of today, SPIRV-LLVM-Translator doesn't have
-# a tag matching LLVM 12.0.0, which is not yet out TBH
+# a tag matching LLVM 12.0.0
 Get-Date
 Write-Host "Cloning SPIRV-LLVM-Translator"
-git clone -b master https://github.com/KhronosGroup/SPIRV-LLVM-Translator llvm-project/llvm/projects/SPIRV-LLVM-Translator
+git clone https://github.com/KhronosGroup/SPIRV-LLVM-Translator llvm-project/llvm/projects/SPIRV-LLVM-Translator
 if (!$?) {
   Write-Host "Failed to clone SPIRV-LLVM-Translator repository"
   Exit 1
 }
+Push-Location llvm-project/llvm/projects/SPIRV-LLVM-Translator
+git checkout 5b641633b3bcc3251a52260eee11db13a79d7258
+Pop-Location
 
 Get-Date
 # slightly convoluted syntax but avoids the CWD being under the PS filesystem meta-path