diff --git a/.gitignore b/.gitignore
index 77b7f3d..17b605d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -63,6 +63,7 @@ subprojects/tetgen/
 subprojects/yaml-cpp/
 subprojects/quill/
 subprojects/googletest-1.15.2/
+subprojects/opat-core/
 
 .vscode/
 
diff --git a/build-config/meson.build b/build-config/meson.build
index d800bdd..f7f6466 100644
--- a/build-config/meson.build
+++ b/build-config/meson.build
@@ -3,4 +3,5 @@ cmake = import('cmake')
 subdir('mfem')
 subdir('yaml-cpp')
 subdir('quill')
-subdir('boost')
\ No newline at end of file
+subdir('boost')
+subdir('opatIO')
diff --git a/build-config/opatIO/meson.build b/build-config/opatIO/meson.build
new file mode 100644
index 0000000..3bdb91b
--- /dev/null
+++ b/build-config/opatIO/meson.build
@@ -0,0 +1,2 @@
+opatio_dep = dependency('opatio', fallback: ['opat-core', 'opatio_dep'])
+
diff --git a/src/meson.build b/src/meson.build
index 54fbee7..6768b33 100644
--- a/src/meson.build
+++ b/src/meson.build
@@ -11,11 +11,11 @@ subdir('dobj')
 
 # Asset Libraries
 subdir('eos')
-subdir('opatIO')
+# subdir('opatIO')
 subdir('meshIO')
 
 # Resouce Manager Libraries
 subdir('resource')
 
 # Physics Libraries
-subdir('network')
\ No newline at end of file
+subdir('network')
diff --git a/subprojects/opat-core.wrap b/subprojects/opat-core.wrap
new file mode 100644
index 0000000..8f61d3e
--- /dev/null
+++ b/subprojects/opat-core.wrap
@@ -0,0 +1,8 @@
+[wrap-git]
+url = https://github.com/4D-STAR/opat-core
+revision = main
+depth = 1
+
+
+[provide]
+dependency_names = opatio_dep
diff --git a/tests/opatIO/meson.build b/tests/opatIO/meson.build
index 9d09b39..eeff066 100644
--- a/tests/opatIO/meson.build
+++ b/tests/opatIO/meson.build
@@ -13,9 +13,7 @@ foreach test_file : test_sources
   test_exe = executable(
       exe_name,
       test_file,
-      dependencies: [gtest_dep, picosha2_dep, gtest_main],
-      include_directories: include_directories('../../src/opatIO/public'),
-      link_with: libopatIO,  # Link the dobj library
+      dependencies: [gtest_dep, picosha2_dep, gtest_main, opatio_dep],
       install_rpath: '@loader_path/../../src'  # Ensure runtime library path resolves correctly
   )