diff --git a/BUILD.gn b/BUILD.gn
index 0e4c071..e7a495a 100644
--- a/BUILD.gn
+++ b/BUILD.gn
@@ -760,6 +760,7 @@
       "src/ports/SkOSLibrary_posix.cpp",
       "src/ports/SkTLS_pthread.cpp",
     ]
+    libs += [ "dl" ]
   }
 
   if (is_android) {