diff --git a/README b/README
index 020f78d3..ac6f27ed 100644
--- a/README
+++ b/README
@@ -29,7 +29,7 @@ DOCUMENTATION
 -------------
 For documentation see "docs/manual.txt" or online at
 
-    <http://zint.org.uk/Manual.aspx>
+    <https://zint.org.uk/manual/>
 
 
 PROJECT HISTORY
diff --git a/docs/inc_header_txt.tex b/docs/inc_header_txt.tex
index ad305ee3..525b6296 100644
--- a/docs/inc_header_txt.tex
+++ b/docs/inc_header_txt.tex
@@ -1,6 +1,6 @@
 *******************************************************************************
 * For reference the following is a text-only version of the Zint manual,      *
 * generated from "docs/manual.pmd" by pandoc.                                 *
-* A HTML version can be accessed at http://zint.org.uk/Manual.aspx            *
+* A HTML version can be accessed at https://zint.org.uk/manual/               *
 * however this text file is more likely to be up-to-date.                     *
 *******************************************************************************
diff --git a/docs/manual.txt b/docs/manual.txt
index a446e107..779a9b82 100644
--- a/docs/manual.txt
+++ b/docs/manual.txt
@@ -5,7 +5,7 @@ August 2022
 *******************************************************************************
 * For reference the following is a text-only version of the Zint manual,      *
 * generated from "docs/manual.pmd" by pandoc.                                 *
-* A HTML version can be accessed at http://zint.org.uk/Manual.aspx            *
+* A HTML version can be accessed at https://zint.org.uk/manual/               *
 * however this text file is more likely to be up-to-date.                     *
 *******************************************************************************
 
@@ -4618,7 +4618,7 @@ SEE ALSO
 Full documention for zint (and the API libzint and the GUI zint-qt) is available
 from
 
-        http://zint.org.uk/Manual.aspx
+        https://zint.org.uk/manual/
 
 and at
 
diff --git a/docs/zint.1 b/docs/zint.1
index e60c8cba..b1011a33 100644
--- a/docs/zint.1
+++ b/docs/zint.1
@@ -570,7 +570,7 @@ the GUI \f[V]zint-qt\f[R]) is available from
 .IP
 .nf
 \f[C]
-    http://zint.org.uk/Manual.aspx
+    https://zint.org.uk/manual/
 \f[R]
 .fi
 .PP
diff --git a/zint.spec b/zint.spec
index 6fb1a181..2ce51456 100644
--- a/zint.spec
+++ b/zint.spec
@@ -41,7 +41,7 @@ Requires:      %{name} = %{version}-%{release}
 %description -n zint-devel 
 C library and header files needed to develop applications using %{name}.
 The API documentation can be found ont the project website:
-http://www.zint.org.uk/zintSite/Manual.aspx
+https://zint.org.uk/manual/
 
 
 %package -n zint-qt