diff --git a/src/wp-content/themes/twentytwentyfive/theme.json b/src/wp-content/themes/twentytwentyfive/theme.json
index 7daeb0dbd749d..efd0947b0d82d 100644
--- a/src/wp-content/themes/twentytwentyfive/theme.json
+++ b/src/wp-content/themes/twentytwentyfive/theme.json
@@ -681,7 +681,8 @@
 					"typography": {
 						"textDecoration": "none"
 					}
-				}
+				},
+				"css": "& { overflow-wrap: break-word; word-wrap: break-word; }"
 			}
 		}
 	},
diff --git a/src/wp-content/themes/twentytwentyfour/theme.json b/src/wp-content/themes/twentytwentyfour/theme.json
index 134da2894ea44..d6c0e50622933 100644
--- a/src/wp-content/themes/twentytwentyfour/theme.json
+++ b/src/wp-content/themes/twentytwentyfour/theme.json
@@ -907,7 +907,7 @@
 			"fontWeight": "400",
 			"lineHeight": "1.55"
 		},
-		"css": ":where(.wp-site-blocks *:focus){outline-width:2px;outline-style:solid}"
+		"css": ":where(.wp-site-blocks *:focus){outline-width:2px;outline-style:solid} a { overflow-wrap: break-word; word-wrap: break-word; }"
 	},
 	"templateParts": [
 		{