diff --git a/CHANGES.rst b/CHANGES.rst
index 3a90d66f08d..e9d8394381d 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -134,6 +134,8 @@ Bugs fixed
   Patch by Jeremy Maitin-Shepard.
 * #13939: LaTeX: page break can separate admonition title from contents.
   Patch by Jean-François B.
+* #13989: Allow anchors to wrap anywhere.
+  Patch by Nadav Tasher.
 
 
 Testing
diff --git a/sphinx/themes/basic/static/basic.css.jinja b/sphinx/themes/basic/static/basic.css.jinja
index d2411760b18..c48c04614b1 100644
--- a/sphinx/themes/basic/static/basic.css.jinja
+++ b/sphinx/themes/basic/static/basic.css.jinja
@@ -230,6 +230,10 @@ a:visited {
     color: #551A8B;
 }
 
+a {
+    overflow-wrap: break-word;
+}
+
 h1:hover > a.headerlink,
 h2:hover > a.headerlink,
 h3:hover > a.headerlink,