diff --git a/meson.build b/meson.build
index dfe65e1b..3d330d58 100644
--- a/meson.build
+++ b/meson.build
@@ -46,10 +46,12 @@ need_libsysprof_capture = true
 need_libsysprof_profile = get_option('libsysprof') or get_option('agent')
 need_libsysprof_analyze = get_option('libsysprof') or get_option('agent')
 
+dex_req = '0.2'
 glib_req = '2.76.0'
 gtk_req = '4.10'
 polkit_req = '0.105'
 
+dex_req_version = '>= @0@'.format(dex_req)
 glib_req_version = '>= @0@'.format(glib_req)
 gtk_req_version = '>= @0@'.format(gtk_req)
 polkit_req_version = '>= @0@'.format(polkit_req)
diff --git a/org.gnome.Sysprof.Devel.json b/org.gnome.Sysprof.Devel.json
index cf24683f..1b172493 100644
--- a/org.gnome.Sysprof.Devel.json
+++ b/org.gnome.Sysprof.Devel.json
@@ -98,6 +98,25 @@
                 }
             ]
         },
+        {
+            "name" : "libdex",
+            "buildsystem" : "meson",
+            "config-opts" : [
+                "--buildtype=debugoptimized",
+                "-Ddocs=false",
+                "-Dintrospection=enabled",
+                "-Dexamples=false",
+                "-Dtests=false",
+                "-Dsysprof=false"
+            ],
+            "sources" : [
+                {
+                    "type" : "git",
+                    "url" : "https://gitlab.gnome.org/chergert/libdex.git",
+                    "branch" : "main"
+                }
+            ]
+        },
         {
             "name" : "sysprof",
             "config-opts" : [
diff --git a/src/libsysprof-profile/meson.build b/src/libsysprof-profile/meson.build
index d1fcc752..c3dd0310 100644
--- a/src/libsysprof-profile/meson.build
+++ b/src/libsysprof-profile/meson.build
@@ -18,6 +18,7 @@ libsysprof_profile_public_headers = [
 
 libsysprof_profile_deps = [
   dependency('gio-2.0', version: glib_req_version),
+  dependency('libdex-1', version: dex_req_version),
 
   libsysprof_capture_dep,
 ]