diff --git a/config/pkg/lib/libxml2.yml b/config/pkg/lib/libxml2.yml
index db88e8b1..7e86b5af 100644
--- a/config/pkg/lib/libxml2.yml
+++ b/config/pkg/lib/libxml2.yml
@@ -10,9 +10,8 @@ libxml2:
       license: MIT
   depends@unix:
     - libiconv
-  suggests@unix:
-    - xz
     - zlib
+    - xz
   headers:
     - libxml2
   pkg-configs:
diff --git a/src/Package/Library/libxml2.php b/src/Package/Library/libxml2.php
index 7c35d685..3f8b3e71 100644
--- a/src/Package/Library/libxml2.php
+++ b/src/Package/Library/libxml2.php
@@ -17,17 +17,13 @@ class libxml2
     public function buildForLinux(LibraryPackage $lib): void
     {
         UnixCMakeExecutor::create($lib)
-            ->optionalPackage(
-                'zlib',
-                '-DLIBXML2_WITH_ZLIB=ON ' .
-                "-DZLIB_LIBRARY={$lib->getLibDir()}/libz.a " .
-                "-DZLIB_INCLUDE_DIR={$lib->getIncludeDir()}",
-                '-DLIBXML2_WITH_ZLIB=OFF',
-            )
-            ->optionalPackage('xz', ...cmake_boolean_args('LIBXML2_WITH_LZMA'))
             ->addConfigureArgs(
                 '-DLIBXML2_WITH_ICONV=ON',
                 '-DIconv_IS_BUILT_IN=OFF',
+                '-DLIBXML2_WITH_ZLIB=ON',
+                "-DZLIB_LIBRARY={$lib->getLibDir()}/libz.a",
+                "-DZLIB_INCLUDE_DIR={$lib->getIncludeDir()}",
+                '-DLIBXML2_WITH_LZMA=ON',
                 '-DLIBXML2_WITH_ICU=OFF', // optional, but discouraged: https://gitlab.gnome.org/GNOME/libxml2/-/blob/master/README.md
                 '-DLIBXML2_WITH_PYTHON=OFF',
                 '-DLIBXML2_WITH_PROGRAMS=OFF',
diff --git a/src/StaticPHP/Artifact/ArtifactCache.php b/src/StaticPHP/Artifact/ArtifactCache.php
index dcd75ef7..2cdd0d0a 100644
--- a/src/StaticPHP/Artifact/ArtifactCache.php
+++ b/src/StaticPHP/Artifact/ArtifactCache.php
@@ -19,6 +19,7 @@ class ArtifactCache
      *         dirname?: string,
      *         extract: null|'&custom'|string,
      *         hash: null|string,
+     *         time: int,
      *         downloader: null|string
      *     },
      *     binary: array{
@@ -29,6 +30,7 @@ class ArtifactCache
      *             dirname?: string,
      *             extract: null|'&custom'|string,
      *             hash: null|string,
+     *             time: int,
      *             version?: null|string,
      *             downloader: null|string
      *         }
@@ -108,6 +110,7 @@ class ArtifactCache
                 'filename' => $download_result->filename,
                 'extract' => $download_result->extract,
                 'hash' => sha1_file(DOWNLOAD_PATH . '/' . $download_result->filename),
+                'time' => time(),
                 'version' => $download_result->version,
                 'config' => $download_result->config,
                 'downloader' => $download_result->downloader,
@@ -119,6 +122,7 @@ class ArtifactCache
                 'filename' => $download_result->filename,
                 'extract' => $download_result->extract,
                 'hash' => sha1_file(DOWNLOAD_PATH . '/' . $download_result->filename),
+                'time' => time(),
                 'version' => $download_result->version,
                 'config' => $download_result->config,
                 'downloader' => $download_result->downloader,
@@ -130,6 +134,7 @@ class ArtifactCache
                 'dirname' => $download_result->dirname,
                 'extract' => $download_result->extract,
                 'hash' => trim(exec('cd ' . escapeshellarg(DOWNLOAD_PATH . '/' . $download_result->dirname) . ' && ' . SPC_GIT_EXEC . ' rev-parse HEAD')),
+                'time' => time(),
                 'version' => $download_result->version,
                 'config' => $download_result->config,
                 'downloader' => $download_result->downloader,
@@ -141,6 +146,7 @@ class ArtifactCache
                 'dirname' => $download_result->dirname,
                 'extract' => $download_result->extract,
                 'hash' => null,
+                'time' => time(),
                 'version' => $download_result->version,
                 'config' => $download_result->config,
                 'downloader' => $download_result->downloader,