diff --git a/Doc/reference/lexical_analysis.rst b/Doc/reference/lexical_analysis.rst
index c6d96ca..1fe1a51 100644
--- a/Doc/reference/lexical_analysis.rst
+++ b/Doc/reference/lexical_analysis.rst
@@ -313,7 +313,7 @@
 * *Nd* - decimal numbers
 * *Pc* - connector punctuations
 * *Other_ID_Start* - explicit list of characters in `PropList.txt
-  <http://www.unicode.org/Public/10.0.0/ucd/PropList.txt>`_ to support backwards
+  <http://www.unicode.org/Public/11.0.0/ucd/PropList.txt>`_ to support backwards
   compatibility
 * *Other_ID_Continue* - likewise
 
@@ -876,4 +876,4 @@
 
 .. rubric:: Footnotes
 
-.. [#] http://www.unicode.org/Public/10.0.0/ucd/NameAliases.txt
+.. [#] http://www.unicode.org/Public/11.0.0/ucd/NameAliases.txt