diff --git a/README b/README
index 917d74a..7a6b4a4 100644
--- a/README
+++ b/README
@@ -92,8 +92,8 @@ the HTTP headers `Modified` and `Expires`.
 Online presence
 ---------------
 
-* The cgit homepage is hosted by cgit at <http://git.zx2c4.com/cgit/about/>
+* The cgit homepage is hosted by cgit at <https://git.zx2c4.com/cgit/about/>
 
 * Patches, bug reports, discussions and support should go to the cgit
   mailing list: <cgit@lists.zx2c4.com>. To sign up, visit
-  <http://lists.zx2c4.com/mailman/listinfo/cgit>
+  <https://lists.zx2c4.com/mailman/listinfo/cgit>
diff --git a/cgit.c b/cgit.c
index fc482be..ab3fadb 100644
--- a/cgit.c
+++ b/cgit.c
@@ -941,7 +941,7 @@ static void cgit_parse_args(int argc, const char **argv)
 
 	for (i = 1; i < argc; i++) {
 		if (!strcmp(argv[i], "--version")) {
-			printf("CGit %s | http://git.zx2c4.com/cgit/\n\nCompiled in features:\n", CGIT_VERSION);
+			printf("CGit %s | https://git.zx2c4.com/cgit/\n\nCompiled in features:\n", CGIT_VERSION);
 #ifdef NO_LUA
 			printf("[-] ");
 #else
diff --git a/filters/gentoo-ldap-authentication.lua b/filters/gentoo-ldap-authentication.lua
index fce5632..6d8eb3e 100644
--- a/filters/gentoo-ldap-authentication.lua
+++ b/filters/gentoo-ldap-authentication.lua
@@ -4,7 +4,7 @@
 -- 	luacrypto >= 0.3
 -- 	<http://mkottman.github.io/luacrypto/>
 -- 	lualdap >= 1.2
--- 	<http://git.zx2c4.com/lualdap/about/>
+-- 	<https://git.zx2c4.com/lualdap/about/>
 --
 
 
diff --git a/ui-shared.c b/ui-shared.c
index 2c88b72..562fa0e 100644
--- a/ui-shared.c
+++ b/ui-shared.c
@@ -776,7 +776,7 @@ void cgit_print_docend(void)
 	if (ctx.cfg.footer)
 		html_include(ctx.cfg.footer);
 	else {
-		htmlf("<div class='footer'>generated by <a href='http://git.zx2c4.com/cgit/about/'>cgit %s</a> at ",
+		htmlf("<div class='footer'>generated by <a href='https://git.zx2c4.com/cgit/about/'>cgit %s</a> at ",
 			cgit_version);
 		html_txt(show_date(time(NULL), 0, cgit_date_mode(DATE_ISO8601)));
 		html("</div>\n");