diff --git a/src/tools/pgindent/README b/src/tools/pgindent/README
index a49cbe65d69..fb3c40df12f 100644
--- a/src/tools/pgindent/README
+++ b/src/tools/pgindent/README
@@ -20,7 +20,7 @@ This can format all PostgreSQL *.c and *.h files, but excludes *.y, and
 
 5) Download the typedef file from the buildfarm:
 
-	wget -O src/tools/pgindent/typedefs.list http://buildfarm.postgresql.org/cgi-bin/typedefs.pl
+	wget -O src/tools/pgindent/typedefs.list https://buildfarm.postgresql.org/cgi-bin/typedefs.pl
 
 6) Run pgindent:
 
@@ -64,7 +64,7 @@ BSD indent
 We have standardized on NetBSD's indent, and renamed it pg_bsd_indent.
 We have fixed a few bugs which requre the NetBSD source to be patched
 with indent.bsd.patch patch.  A fully patched version is available at
-ftp://ftp.postgresql.org/pub/dev.
+https://ftp.postgresql.org/pub/dev.
 
 GNU indent, version 2.2.6, has several problems, and is not recommended.
 These bugs become pretty major when you are doing >500k lines of code.
diff --git a/src/tools/pgindent/pgindent b/src/tools/pgindent/pgindent
index c5f1a7379e3..a51f3edf663 100755
--- a/src/tools/pgindent/pgindent
+++ b/src/tools/pgindent/pgindent
@@ -453,7 +453,7 @@ sub run_build
 	chdir "$code_base/src/tools/pgindent";
 
 	my $typedefs_list_url =
-	  "http://buildfarm.postgresql.org/cgi-bin/typedefs.pl";
+	  "https://buildfarm.postgresql.org/cgi-bin/typedefs.pl";
 
 	my $rv = getstore($typedefs_list_url, "tmp_typedefs.list");
 
@@ -463,7 +463,7 @@ sub run_build
 	$ENV{PGTYPEDEFS} = abs_path('tmp_typedefs.list');
 
 	my $pg_bsd_indent_url =
-	    "ftp://ftp.postgresql.org/pub/dev/pg_bsd_indent-"
+	    "https://ftp.postgresql.org/pub/dev/pg_bsd_indent-"
 	  . $INDENT_VERSION
 	  . ".tar.gz";