diff --git a/.travis.yml b/.travis.yml
index 01eca071..072ec9c6 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -37,7 +37,7 @@ addons:
         - clang-9
         - libsdl2-dev
         - libfreetype6-dev
-        - libfltk-dev
+        - libfltk1.3-dev
         - libglew-dev
         - libxmp-dev
   homebrew: