diff --git a/src/program.rs b/src/program.rs
index ab194a0d..c6c702f1 100644
--- a/src/program.rs
+++ b/src/program.rs
@@ -355,7 +355,7 @@ impl<P: Definition> Program<P> {
     }
 
     /// Sets the [`Title`] of the [`Program`].
-    pub fn title(
+    pub(crate) fn title(
         self,
         title: impl Title<P::State>,
     ) -> Program<