diff --git a/meson.build b/meson.build
index 0adcb30..6f68902 100644
--- a/meson.build
+++ b/meson.build
@@ -49,6 +49,14 @@
     meson.project_name(),
 )
 threads = dependency('threads')
+if cpp.has_header('valijson/validator.hpp')
+    valijson = declare_dependency()
+else
+    subproject('valijson', required: false)
+    valijson = declare_dependency(
+        include_directories: 'subprojects/valijson/include'
+    )
+endif
 
 install_data('blacklist.json')
 
diff --git a/src/meson.build b/src/meson.build
index 8218a15..2702d6c 100644
--- a/src/meson.build
+++ b/src/meson.build
@@ -10,6 +10,7 @@
         boost,
         nlohmann_json,
         sdbusplus,
+        valijson,
     ],
     implicit_include_directories: false,
     include_directories: '../include',
@@ -27,6 +28,7 @@
         nlohmann_json,
         sdbusplus,
         threads,
+        valijson,
     ],
     implicit_include_directories: false,
     include_directories: '../include',
diff --git a/subprojects/valijson.wrap b/subprojects/valijson.wrap
new file mode 100644
index 0000000..736d202
--- /dev/null
+++ b/subprojects/valijson.wrap
@@ -0,0 +1,3 @@
+[wrap-git]
+revision = c2f22fddf599d04dc33fcd7ed257c698a05345d9
+url = https://github.com/tristanpenman/valijson.git
diff --git a/test/meson.build b/test/meson.build
index 83bab53..e8683d3 100644
--- a/test/meson.build
+++ b/test/meson.build
@@ -12,6 +12,7 @@
             gtest,
             nlohmann_json,
             sdbusplus,
+            valijson,
         ],
         implicit_include_directories: false,
         include_directories: '../include',