diff --git a/README b/README
index ce971d630..a4d27876e 100644
--- a/README
+++ b/README
@@ -20,5 +20,5 @@ Additional information about EPICS including mailing list
 archives and subscription instructions, documentation and
 training materials, additional components, links to other
 websites etc. is available on the EPICS home page at
-	http://www.aps.anl.gov/epics/
+	https://epics.anl.gov/
 
diff --git a/documentation/README.1st b/documentation/README.1st
index b5b85f2d3..462ac460a 100644
--- a/documentation/README.1st
+++ b/documentation/README.1st
@@ -436,6 +436,6 @@
 
 References
 
-   1. http://www.aps.anl.gov/epics/base/tornado.php
-   2. http://www.aps.anl.gov/epics/base/vxWorks6.php
-   3. http://www.aps.anl.gov/epics/
+   1. https://epics.anl.gov/base/tornado.php
+   2. https://epics.anl.gov/base/vxWorks6.php
+   3. https://epics.anl.gov/
diff --git a/documentation/README.html b/documentation/README.html
index 620feffcc..a8a572372 100644
--- a/documentation/README.html
+++ b/documentation/README.html
@@ -96,8 +96,8 @@
  needed to build for these target systems. The absolute path to and version
  number of the vxWorks  installation is normally specified in the
  base/configure/os/CONFIG_SITE.Common.vxWorksCommon file. Consult the EPICS web
- pages about <a href="http://www.aps.anl.gov/epics/base/tornado.php">vxWorks
- 5.x</a> and <a href="http://www.aps.anl.gov/epics/base/vxWorks6.php">vxWorks
+ pages about <a href="https://epics.anl.gov/base/tornado.php">vxWorks
+ 5.x</a> and <a href="https://epics.anl.gov/base/vxWorks6.php">vxWorks
  6.x</a> and the vxWorks documentation for information about configuring your
  vxWorks operating system for use with EPICS.</P>
 
@@ -126,7 +126,7 @@
 
 <H3><A NAME="0_0_8"> Documentation</A></H3>
 <BLOCKQUOTE>EPICS documentation is available through the
- <a href="http://www.aps.anl.gov/epics/">EPICS website</a> at Argonne.
+ <a href="https://epics.anl.gov/">EPICS website</a> at Argonne.
  <P>Release specific documentation can also be found in the base/documentation
  directory of the distribution.</BLOCKQUOTE>
 
diff --git a/src/cap5/CA.pm b/src/cap5/CA.pm
index ce9e992da..4dac675fa 100644
--- a/src/cap5/CA.pm
+++ b/src/cap5/CA.pm
@@ -639,7 +639,7 @@ not follow this pattern, but are still printable strings.
 
 =item [1] R3.14 Channel Access Reference Manual by Jeffrey O. Hill
 
-L<http://www.aps.anl.gov/epics/base/R3-14/12-docs/CAref.html>
+L<https://epics.anl.gov/base/R3-14/12-docs/CAref.html>
 
 =back