diff --git a/_constraints b/_constraints
index 1b6db8e..a1fbd41 100644
--- a/_constraints
+++ b/_constraints
@@ -1,9 +1,12 @@
 <?xml version="1.0"?>
 <constraints>
-    <hardware>
-      <physicalmemory>
-        <size unit="G">4</size>
-      </physicalmemory>
-    </hardware>
+  <hardware>
+    <physicalmemory>
+      <size unit="G">8</size>
+    </physicalmemory>
+    <disk>
+      <size unit="G">16</size>
+    </disk>
+  </hardware>
 </constraints>
 
diff --git a/mdbook.changes b/mdbook.changes
index ca5e4cb..5bc979f 100644
--- a/mdbook.changes
+++ b/mdbook.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Wed Dec 28 03:46:14 UTC 2022 - Soc Virnyl Estela <socvirnyl.estela@gmail.com>
+
+- Update _constraints file.
+
 -------------------------------------------------------------------
 Tue Dec 20 13:13:01 UTC 2022 - socvirnyl.estela@gmail.com