diff --git a/lib/rdoc/generator/template/aliki/css/rdoc.css b/lib/rdoc/generator/template/aliki/css/rdoc.css
index 8341a4ff37..e3e0aec650 100644
--- a/lib/rdoc/generator/template/aliki/css/rdoc.css
+++ b/lib/rdoc/generator/template/aliki/css/rdoc.css
@@ -1329,6 +1329,7 @@ main .method-heading .method-callseq {
 
 main .method-heading .method-name {
   font-weight: var(--font-weight-semibold);
+  overflow-wrap: anywhere;
 }
 
 main .method-heading .method-args {