diff --git a/COPYING b/COPYING
index 43c90d0..20e60d5 100644
--- a/COPYING
+++ b/COPYING
@@ -47,7 +47,7 @@
     naturally it is not legally required. Here is an example of a good
     notice to put into "about box" or into documentation:
 
-        This software includes code from XZ Utils <http://tukaani.org/xz/>.
+        This software includes code from XZ Utils <https://tukaani.org/xz/>.
 
     The following license texts are included in the following files:
       - COPYING.LGPLv2.1: GNU Lesser General Public License version 2.1
diff --git a/README b/README
index ab8aadf..720a1a5 100644
--- a/README
+++ b/README
@@ -291,7 +291,7 @@
     XZ Embedded is a limited implementation written for use in the Linux
     kernel, but it is also suitable for other embedded use.
 
-        http://tukaani.org/xz/embedded.html
+        https://tukaani.org/xz/embedded.html
 
 
 6. Contact information
diff --git a/configure.ac b/configure.ac
index 81f445e..c4f8a4c 100644
--- a/configure.ac
+++ b/configure.ac
@@ -18,7 +18,7 @@
 AC_PREREQ([2.64])
 
 AC_INIT([XZ Utils], m4_esyscmd([/bin/sh build-aux/version.sh]),
-	[lasse.collin@tukaani.org], [xz], [http://tukaani.org/xz/])
+	[lasse.collin@tukaani.org], [xz], [https://tukaani.org/xz/])
 AC_CONFIG_SRCDIR([src/liblzma/common/common.h])
 AC_CONFIG_AUX_DIR([build-aux])
 AC_CONFIG_MACRO_DIR([m4])
diff --git a/doc/faq.txt b/doc/faq.txt
index 333bee0..dee7824 100644
--- a/doc/faq.txt
+++ b/doc/faq.txt
@@ -206,7 +206,7 @@
 A:  liblzmadec is part of LZMA Utils. XZ Utils has liblzma, but no
     liblzmadec. The code using liblzmadec should be ported to use
     liblzma instead. If you cannot or don't want to do that, download
-    LZMA Utils from <http://tukaani.org/lzma/>.
+    LZMA Utils from <https://tukaani.org/lzma/>.
 
 
 Q:  The default build of liblzma is too big. How can I make it smaller?
@@ -220,5 +220,5 @@
     If the result is still too big, take a look at XZ Embedded. It is
     a separate project, which provides a limited but significantly
     smaller XZ decoder implementation than XZ Utils. You can find it
-    at <http://tukaani.org/xz/embedded.html>.
+    at <https://tukaani.org/xz/embedded.html>.
 
diff --git a/dos/config.h b/dos/config.h
index 725cb8e..7a385e1 100644
--- a/dos/config.h
+++ b/dos/config.h
@@ -126,7 +126,7 @@
 #define PACKAGE_NAME "XZ Utils"
 
 /* Define to the home page for this package. */
-#define PACKAGE_URL "http://tukaani.org/xz/"
+#define PACKAGE_URL "https://tukaani.org/xz/"
 
 /* The size of `size_t', as computed by sizeof. */
 #define SIZEOF_SIZE_T 4
diff --git a/src/common/common_w32res.rc b/src/common/common_w32res.rc
index fdb88d1..a70de34 100644
--- a/src/common/common_w32res.rc
+++ b/src/common/common_w32res.rc
@@ -17,7 +17,7 @@
 #define MY_VERSION LZMA_VERSION_MAJOR,LZMA_VERSION_MINOR,LZMA_VERSION_PATCH,MY_BUILD
 
 #define MY_FILENAME    MY_NAME MY_SUFFIX
-#define MY_COMPANY     "The Tukaani Project <http://tukaani.org/>"
+#define MY_COMPANY     "The Tukaani Project <https://tukaani.org/>"
 #define MY_PRODUCT     PACKAGE_NAME " <" PACKAGE_URL ">"
 
 LANGUAGE LANG_ENGLISH, SUBLANG_ENGLISH_US
diff --git a/src/xz/xz.1 b/src/xz/xz.1
index bc5514d..9dffdc6 100644
--- a/src/xz/xz.1
+++ b/src/xz/xz.1
@@ -5,7 +5,7 @@
 .\" This file has been put into the public domain.
 .\" You can do whatever you want with this file.
 .\"
-.TH XZ 1 "2015-05-11" "Tukaani" "XZ Utils"
+.TH XZ 1 "2017-04-19" "Tukaani" "XZ Utils"
 .
 .SH NAME
 xz, unxz, xzcat, lzma, unlzma, lzcat \- Compress or decompress .xz and .lzma files
@@ -2779,8 +2779,8 @@
 .BR bzip2 (1),
 .BR 7z (1)
 .PP
-XZ Utils: <http://tukaani.org/xz/>
+XZ Utils: <https://tukaani.org/xz/>
 .br
-XZ Embedded: <http://tukaani.org/xz/embedded.html>
+XZ Embedded: <https://tukaani.org/xz/embedded.html>
 .br
 LZMA SDK: <http://7-zip.org/sdk.html>
diff --git a/src/xzdec/xzdec.1 b/src/xzdec/xzdec.1
index 1e5ced9..78bc9b4 100644
--- a/src/xzdec/xzdec.1
+++ b/src/xzdec/xzdec.1
@@ -4,7 +4,7 @@
 .\" This file has been put into the public domain.
 .\" You can do whatever you want with this file.
 .\"
-.TH XZDEC 1 "2013-06-30" "Tukaani" "XZ Utils"
+.TH XZDEC 1 "2017-04-19" "Tukaani" "XZ Utils"
 .SH NAME
 xzdec, lzmadec \- Small .xz and .lzma decompressors
 .SH SYNOPSIS
@@ -143,4 +143,4 @@
 .SH "SEE ALSO"
 .BR xz (1)
 .PP
-XZ Embedded: <http://tukaani.org/xz/embedded.html>
+XZ Embedded: <https://tukaani.org/xz/embedded.html>
diff --git a/windows/README-Windows.txt b/windows/README-Windows.txt
index f9a0024..85ee3a0 100644
--- a/windows/README-Windows.txt
+++ b/windows/README-Windows.txt
@@ -7,7 +7,7 @@
 
     This package includes command line tools (xz.exe and a few others)
     and the liblzma compression library from XZ Utils. You can find the
-    latest version and full source code from <http://tukaani.org/xz/>.
+    latest version and full source code from <https://tukaani.org/xz/>.
 
     The parts of the XZ Utils source code, that are relevant to this
     binary package, are in the public domain. XZ Utils have been built
diff --git a/windows/config.h b/windows/config.h
index 71f353f..5bd82b0 100644
--- a/windows/config.h
+++ b/windows/config.h
@@ -134,7 +134,7 @@
 #define PACKAGE_NAME "XZ Utils"
 
 /* Define to the home page for this package. */
-#define PACKAGE_URL "http://tukaani.org/xz/"
+#define PACKAGE_URL "https://tukaani.org/xz/"
 
 /* The size of `size_t', as computed by sizeof. */
 #ifdef _WIN64