diff --git a/INSTALL b/INSTALL
index aea57902e..6bc80b68f 100644
--- a/INSTALL
+++ b/INSTALL
@@ -266,4 +266,4 @@ summary data may be published.
 
 If you experience problems compiling, installing or running OpenSSH.
 Please refer to the "reporting bugs" section of the webpage at
-http://www.openssh.com/
+https://www.openssh.com/
diff --git a/PROTOCOL b/PROTOCOL
index c6f99a31a..192da55b2 100644
--- a/PROTOCOL
+++ b/PROTOCOL
@@ -4,7 +4,7 @@ protocol.
 Note that OpenSSH's sftp and sftp-server implement revision 3 of the SSH
 filexfer protocol described in:
 
-http://www.openssh.com/txt/draft-ietf-secsh-filexfer-02.txt
+https://www.openssh.com/txt/draft-ietf-secsh-filexfer-02.txt
 
 Newer versions of the draft will not be supported, though some features
 are individually implemented as extensions described below.
@@ -20,7 +20,7 @@ This is a new transport-layer MAC method using the UMAC algorithm
 (rfc4418). This method is identical to the "umac-64" method documented
 in:
 
-http://www.openssh.com/txt/draft-miller-secsh-umac-01.txt
+https://www.openssh.com/txt/draft-miller-secsh-umac-01.txt
 
 1.2. transport: Protocol 2 compression algorithm "zlib@openssh.com"
 
@@ -31,7 +31,7 @@ avoids exposing compression code to attacks from unauthenticated users.
 
 The method is documented in:
 
-http://www.openssh.com/txt/draft-miller-secsh-compression-delayed-00.txt
+https://www.openssh.com/txt/draft-miller-secsh-compression-delayed-00.txt
 
 1.3. transport: New public key algorithms "ssh-rsa-cert-v00@openssh.com",
      "ssh-dsa-cert-v00@openssh.com",
diff --git a/buildpkg.sh.in b/buildpkg.sh.in
index 4b842b3f7..4ccc5f8d1 100644
--- a/buildpkg.sh.in
+++ b/buildpkg.sh.in
@@ -247,7 +247,7 @@ cat > pkginfo << _EOF
 PKG=$PKGNAME
 NAME="OpenSSH Portable for ${UNAME_S}"
 DESC="Secure Shell remote access utility; replaces telnet and rlogin/rsh."
-VENDOR="OpenSSH Portable Team - http://www.openssh.com/portable.html"
+VENDOR="OpenSSH Portable Team - https://www.openssh.com/portable.html"
 ARCH=$ARCH
 VERSION=$VERSION$REV
 CATEGORY="Security,application"
diff --git a/contrib/redhat/openssh.spec b/contrib/redhat/openssh.spec
index fd8678f12..34bbc469a 100644
--- a/contrib/redhat/openssh.spec
+++ b/contrib/redhat/openssh.spec
@@ -72,8 +72,8 @@ Release: %{rel}rescue
 %else
 Release: %{rel}
 %endif
-URL: http://www.openssh.com/portable.html
-Source0: ftp://ftp.openbsd.org/pub/OpenBSD/OpenSSH/portable/openssh-%{version}.tar.gz
+URL: https://www.openssh.com/portable.html
+Source0: https://ftp.openbsd.org/pub/OpenBSD/OpenSSH/portable/openssh-%{version}.tar.gz
 %if ! %{no_x11_askpass}
 Source1: http://www.jmknoble.net/software/x11-ssh-askpass/x11-ssh-askpass-%{aversion}.tar.gz
 %endif
diff --git a/contrib/suse/openssh.spec b/contrib/suse/openssh.spec
index d2b2728d5..5b64c150f 100644
--- a/contrib/suse/openssh.spec
+++ b/contrib/suse/openssh.spec
@@ -14,7 +14,7 @@
 Summary:	OpenSSH, a free Secure Shell (SSH) protocol implementation
 Name:		openssh
 Version:	7.3p1
-URL:		http://www.openssh.com/
+URL:		https://www.openssh.com/
 Release:	1
 Source0:	openssh-%{version}.tar.gz
 Source1:	x11-ssh-askpass-%{xversion}.tar.gz