diff --git a/src/opatIO/meson.build b/src/opatIO/meson.build
index ae5e73e..c2229bc 100644
--- a/src/opatIO/meson.build
+++ b/src/opatIO/meson.build
@@ -12,7 +12,9 @@ libopatIO = library('opatIO',
     opatIO_sources, 
     include_directories: include_directories('public'),
     cpp_args: ['-fvisibility=default'],
-    install : true)
+    dependencies: [picosha2_dep],
+    install : true,
+    )
 
 # Make headers accessible
 install_headers(opatIO_headers, subdir : '4DSSE/opatIO')
\ No newline at end of file