diff --git a/.appveyor.yml b/.appveyor.yml
index ab9b53362..09ae15d3b 100644
--- a/.appveyor.yml
+++ b/.appveyor.yml
@@ -35,29 +35,26 @@ install:
   ############################################################################
   # Install a recent CMake
   ############################################################################
-  - set CMAKE_VERSION=3.16.4
-  - set CMAKE_URL=https://github.com/Kitware/CMake/releases/download/v%CMAKE_VERSION%/cmake-%CMAKE_VERSION%-win64-x64.zip
+  - set CMAKE_URL=https://github.com/Kitware/CMake/releases/download/v3.16.4/cmake-3.16.4-win64-x64.zip
   - if not exist cmake.zip appveyor DownloadFile %CMAKE_URL% -FileName cmake.zip
   - if not exist cmake 7z x cmake.zip -oC:\projects\deps\cmake > nul
 
   ############################################################################
   # Install custom LLVM
   ############################################################################
-  - set LLVM_VERSION=10.0.1
-  - set LLVM_URL=https://axiodl.com/files/LLVM-%LLVM_VERSION%-win64.exe
-  - set LLVM_ROOT_DIR=C:\projects\deps\llvm-%LLVM_VERSION%
-  - if not exist "LLVM-%LLVM_VERSION%-win64.exe" appveyor DownloadFile %LLVM_URL% -FileName "LLVM-%LLVM_VERSION%-win64.exe"
-  - if not exist "llvm-%LLVM_VERSION%" "LLVM-%LLVM_VERSION%-win64.exe" /S "/D=%LLVM_ROOT_DIR%"
+  - set LLVM_URL=https://axiodl.com/files/LLVM-10.0.1-win64.exe
+  - if not exist LLVM-10.0.1-win64.exe appveyor DownloadFile %LLVM_URL% -FileName LLVM-10.0.1-win64.exe
+  - if not exist llvm-10.0.1 LLVM-10.0.1-win64.exe /S /D=C:\projects\deps\llvm-10.0.1
 
 before_build:
   # Configure ninja
   - set PATH=C:\projects\deps\ninja;%PATH%
   - ninja --version
   # Configure cmake
-  - set PATH=C:\projects\deps\cmake\cmake-%CMAKE_VERSION%-win64-x64\bin;%PATH%
+  - set PATH=C:\projects\deps\cmake\cmake-3.16.4-win64-x64\bin;%PATH%
   - cmake --version
   # Configure LLVM
-  - set PATH=%LLVM_ROOT_DIR%\bin;%PATH%
+  - set PATH=C:\projects\deps\llvm-10.0.1\bin;%PATH%
   - llvm-config --version
   - clang-cl -v
   # Configure VS
@@ -69,7 +66,7 @@ before_build:
 build_script:
   - mkdir build
   - cd build
-  - cmake -DCMAKE_BUILD_TYPE=%CONFIGURATION% -DLLVM_ROOT_DIR=%LLVM_ROOT_DIR% -DCMAKE_C_COMPILER=clang-cl -DCMAKE_CXX_COMPILER=clang-cl -DCMAKE_LINKER=lld-link -DCMAKE_AR=llvm-ar -DCMAKE_RANLIB=llvm-ranlib -GNinja ..
+  - cmake -DCMAKE_BUILD_TYPE=%CONFIGURATION% -DLLVM_ROOT_DIR=C:\projects\deps\llvm-10.0.1 -DCMAKE_C_COMPILER=clang-cl -DCMAKE_CXX_COMPILER=clang-cl -DCMAKE_LINKER=lld-link -DCMAKE_AR=llvm-ar -DCMAKE_RANLIB=llvm-ranlib -GNinja ..
   - ninja urde
 
 #notifications:
@@ -85,4 +82,4 @@ build_script:
 
 # Uncomment this to debug AppVeyor failures.
 #on_finish:
-#  - ps: $blockRdp = $true; iex ((new-object net.webclient).DownloadString('https://raw.githubusercontent.com/appveyor/ci/master/scripts/enable-rdp.ps1'))
+#  - ps: $blockRdp = $true; iex ((new-object net.webclient).DownloadString('https://raw.githubusercontent.com/appveyor/ci/master/scripts/enable-rdp.ps1'))
\ No newline at end of file