diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 2f9f4ee..3cbff39 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -21,7 +21,7 @@ jobs:
           - id: 'windows-amd64'
             os: 'windows-2016'
             llvm_prefix: llvm-project/build/Release
-        llvm_version: ['11.x', '12.x', '13.x']
+        llvm_version: ['13.x']
         llvm_repo_url: ['https://github.com/llvm/llvm-project.git']
       fail-fast: true
 
@@ -74,7 +74,8 @@ jobs:
         run: |
           mv ${{ matrix.target.llvm_prefix }} llvm-project/build/llvm
           mkdir dist
-          tar -C llvm-project/build/llvm -zcvf dist/llvm.tar.gz .
+          tar -C llvm-project/build/llvm -cJvf dist/llvm.tar.xz .
+          ls -lh dist/llvm.tar.xz
 
       - name: Upload Artifacts
         uses: actions/upload-artifact@v2
@@ -94,7 +95,7 @@ jobs:
 
     strategy:
       matrix:
-        llvm_version: ['11.x', '12.x', '13.x']
+        llvm_version: ['13.x']
 
     steps:
       - name: Download the Artifacts
@@ -125,8 +126,8 @@ jobs:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
         with:
           upload_url: ${{ steps.create_release.outputs.upload_url }}
-          asset_path: artifacts/linux-amd64-${{matrix.llvm_version}}/llvm.tar.gz
-          asset_name: linux-amd64.tar.gz
+          asset_path: artifacts/linux-amd64-${{matrix.llvm_version}}/llvm.tar.xz
+          asset_name: llvm-linux-amd64.tar.xz
           asset_content_type: application/gzip
 
       #- name: Upload Release Asset Linux (ARM64)
@@ -135,8 +136,8 @@ jobs:
       #    GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
       #  with:
       #    upload_url: ${{ steps.create_release.outputs.upload_url }}
-      #    asset_path: artifacts/linux-aarch64-${{matrix.llvm_version}}/llvm.tar.gz
-      #    asset_name: linux-aarch64.tar.gz
+      #    asset_path: artifacts/linux-aarch64-${{matrix.llvm_version}}/llvm.tar.xz
+      #    asset_name: linux-aarch64.tar.xz
       #    asset_content_type: application/gzip
 
       - name: Upload Release Asset Darwin
@@ -145,8 +146,8 @@ jobs:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
         with:
           upload_url: ${{ steps.create_release.outputs.upload_url }}
-          asset_path: artifacts/darwin-amd64-${{matrix.llvm_version}}/llvm.tar.gz
-          asset_name: darwin-amd64.tar.gz
+          asset_path: artifacts/darwin-amd64-${{matrix.llvm_version}}/llvm.tar.xz
+          asset_name: llvm-darwin-amd64.tar.xz
           asset_content_type: application/gzip
 
       - name: Upload Release Asset Windows
@@ -155,6 +156,6 @@ jobs:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
         with:
           upload_url: ${{ steps.create_release.outputs.upload_url }}
-          asset_path: artifacts/windows-amd64-${{matrix.llvm_version}}/llvm.tar.gz
-          asset_name: windows-amd64.tar.gz
+          asset_path: artifacts/windows-amd64-${{matrix.llvm_version}}/llvm.tar.xz
+          asset_name: llvm-windows-amd64.tar.xz
           asset_content_type: application/gzip
diff --git a/build.ps1 b/build.ps1
index cdac0fe..716adc0 100755
--- a/build.ps1
+++ b/build.ps1
@@ -37,22 +37,22 @@ $CMAKE_ARGUMENTS = ""
 
 # Run `cmake` to configure the project.
 cmake `
-	-G "Visual Studio 15 2017 Win64" `
-	-DCMAKE_BUILD_TYPE=Release `
-	-DCMAKE_INSTALL_PREFIX=install `
-	-DLLVM_ENABLE_PROJECTS="clang;lld" `
-	-DLLVM_ENABLE_TERMINFO=OFF `
-	-DLLVM_ENABLE_ZLIB=OFF `
-	-DLLVM_INCLUDE_DOCS=OFF `
-	-DLLVM_INCLUDE_EXAMPLES=OFF `
-	-DLLVM_INCLUDE_GO_TESTS=OFF `
-	-DLLVM_INCLUDE_TESTS=OFF `
-	-DLLVM_INCLUDE_TOOLS=ON `
-	-DLLVM_INCLUDE_UTILS=OFF `
-	-DLLVM_OPTIMIZED_TABLEGEN=ON `
-	-DLLVM_TARGETS_TO_BUILD="X86;AArch64" `
-	$CMAKE_ARGUMENTS `
-	../llvm
+  -G "Visual Studio 15 2017 Win64" `
+  -DCMAKE_BUILD_TYPE=MinSizeRel `
+  -DCMAKE_INSTALL_PREFIX=install `
+  -DLLVM_ENABLE_PROJECTS="clang;lld" `
+  -DLLVM_ENABLE_TERMINFO=OFF `
+  -DLLVM_ENABLE_ZLIB=OFF `
+  -DLLVM_INCLUDE_DOCS=OFF `
+  -DLLVM_INCLUDE_EXAMPLES=OFF `
+  -DLLVM_INCLUDE_GO_TESTS=OFF `
+  -DLLVM_INCLUDE_TESTS=OFF `
+  -DLLVM_INCLUDE_TOOLS=ON `
+  -DLLVM_INCLUDE_UTILS=OFF `
+  -DLLVM_OPTIMIZED_TABLEGEN=ON `
+  -DLLVM_TARGETS_TO_BUILD="X86;AArch64" `
+  $CMAKE_ARGUMENTS `
+  ../llvm
 
 # Showtime!
 cmake --build . --config Release --target INSTALL
diff --git a/build.sh b/build.sh
index 8a8abe2..37ac571 100755
--- a/build.sh
+++ b/build.sh
@@ -35,7 +35,7 @@ mkdir -p build
 cd build
 
 # Create a directory to receive the complete installation.
-mkdir install
+mkdir -p install
 
 # Adjust compilation based on the OS.
 CMAKE_ARGUMENTS=""
@@ -49,7 +49,7 @@ esac
 # Run `cmake` to configure the project.
 cmake \
   -G Ninja \
-  -DCMAKE_BUILD_TYPE=Release \
+  -DCMAKE_BUILD_TYPE=MinSizeRel \
   -DCMAKE_INSTALL_PREFIX="install" \
   -DLLVM_ENABLE_PROJECTS="clang;lld" \
   -DLLVM_ENABLE_TERMINFO=OFF \
@@ -62,7 +62,7 @@ cmake \
   -DLLVM_INCLUDE_UTILS=OFF \
   -DLLVM_OPTIMIZED_TABLEGEN=ON \
   -DLLVM_TARGETS_TO_BUILD="X86;AArch64" \
-  ${CMAKE_ARGUMENTS} \
+  "${CMAKE_ARGUMENTS}" \
   ../llvm
 
 # Showtime!