diff --git a/core/src/fxcodec/codec/DEPS b/core/src/fxcodec/codec/DEPS
index 9caa4d8..bfbbd82 100644
--- a/core/src/fxcodec/codec/DEPS
+++ b/core/src/fxcodec/codec/DEPS
@@ -1,3 +1,4 @@
 include_rules = [
   '+third_party/libpng/png.h',
+  '+third_party/libtiff/tiffiop.h',
 ]