diff --git a/build-constraints.yaml b/build-constraints.yaml
index 9f90e13d..79b1673e 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -2575,6 +2575,7 @@ packages:
         - x11-xim
         - Imlib
         - xturtle
+        - gluturtle
 
     "Jan Gerlinger <git@jangerlinger.de> @JanGe":
         - irc-dcc