diff --git a/scripts/emacs.build b/scripts/emacs.build
index d30d29e..f76fb59 100755
--- a/scripts/emacs.build
+++ b/scripts/emacs.build
@@ -2,7 +2,7 @@
 
 source "$(dirname $0)/../lib/libem.bash"
 
-build_dependencies="${COMPILER}"
+build_dependencies="${COMPILER} libungif tiff"
 
 case ${OS} in
 Darwin )