diff --git a/ChangeLog b/ChangeLog
index 69bedb9..36faa38 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,16 @@
 2024-12-15  Bruno Haible  <bruno@clisp.org>
 
+	Prepare for version 1.18.
+	* configure.ac: Bump version number to 1.18.
+	* include/iconv.h.in (_LIBICONV_VERSION): Likewise.
+	* lib/Makefile.in (LIBICONV_VERSION_INFO): Bump to 9:0:7.
+	* src/iconv.c (print_version): Update copyright year.
+	* windows/iconv.rc: Likewise.
+	* windows/libiconv.rc: Likewise.
+	* README: Update download link.
+
+2024-12-15  Bruno Haible  <bruno@clisp.org>
+
 	Use the newest gettext release.
 	* po/Makefile.in.in: Upgrade to gettext-0.23, keeping the change
 		2019-01-27  Bruno Haible  <bruno@clisp.org>
diff --git a/README b/README
index e1bffd8..7e5a927 100644
--- a/README
+++ b/README
@@ -155,7 +155,7 @@
 Download
 --------
 
-    https://ftp.gnu.org/gnu/libiconv/libiconv-1.17.tar.gz
+    https://ftp.gnu.org/gnu/libiconv/libiconv-1.18.tar.gz
 
 Homepage
 --------
diff --git a/configure.ac b/configure.ac
index c7b1314..25af6a5 100644
--- a/configure.ac
+++ b/configure.ac
@@ -16,7 +16,7 @@
 dnl If not, see <https://www.gnu.org/licenses/>.
 
 AC_PREREQ([2.64])
-AC_INIT([libiconv], [1.17])
+AC_INIT([libiconv], [1.18])
 AC_CONFIG_SRCDIR([lib/iconv.c])
 AC_CONFIG_AUX_DIR([build-aux])
 AM_INIT_AUTOMAKE
diff --git a/include/iconv.h.in b/include/iconv.h.in
index c3e2db6..e2d7294 100644
--- a/include/iconv.h.in
+++ b/include/iconv.h.in
@@ -24,7 +24,7 @@
 extern "C" {
 #endif
 
-#define _LIBICONV_VERSION 0x0111    /* version number: (major<<8) + minor */
+#define _LIBICONV_VERSION 0x0112    /* version number: (major<<8) + minor */
 extern @DLL_VARIABLE@ int _libiconv_version; /* Likewise */
 
 #ifdef __cplusplus
diff --git a/lib/Makefile.in b/lib/Makefile.in
index bd2f069..b93856b 100644
--- a/lib/Makefile.in
+++ b/lib/Makefile.in
@@ -49,7 +49,7 @@
 
 # Before making a release, change this according to the libtool documentation,
 # section "Library interface versions".
-LIBICONV_VERSION_INFO = 8:1:6
+LIBICONV_VERSION_INFO = 9:0:7
 
 PACKAGE_VERSION = @VERSION@
 
diff --git a/src/iconv.c b/src/iconv.c
index cb579da..d6b68fd 100644
--- a/src/iconv.c
+++ b/src/iconv.c
@@ -200,7 +200,7 @@
 {
   printf("iconv (GNU libiconv %d.%d)\n",
          _libiconv_version >> 8, _libiconv_version & 0xff);
-  printf("Copyright (C) %s Free Software Foundation, Inc.\n", "2000-2022");
+  printf("Copyright (C) %s Free Software Foundation, Inc.\n", "2000-2024");
   /* xgettext: no-wrap */
   /* TRANSLATORS: The %s placeholder is the web address of the GPL license.  */
   printf (_("\
diff --git a/windows/iconv.rc b/windows/iconv.rc
index 46fe4ac..ff4cd25 100644
--- a/windows/iconv.rc
+++ b/windows/iconv.rc
@@ -24,7 +24,7 @@
             VALUE "FileDescription", "GPLed iconv for Windows\0"
             VALUE "FileVersion", PACKAGE_VERSION_STRING "\0"
             VALUE "InternalName", "iconv.exe\0"
-            VALUE "LegalCopyright", "Copyright (C) 1999-2022\0"
+            VALUE "LegalCopyright", "Copyright (C) 1999-2024\0"
             VALUE "LegalTrademarks", "\0"
             VALUE "OriginalFilename", "iconv.exe\0"
             VALUE "ProductName", "iconv: character set conversion program\0"
diff --git a/windows/libiconv.rc b/windows/libiconv.rc
index e1469f6..5f71f53 100644
--- a/windows/libiconv.rc
+++ b/windows/libiconv.rc
@@ -24,7 +24,7 @@
             VALUE "FileDescription", "LGPLed libiconv for Windows\0"
             VALUE "FileVersion", PACKAGE_VERSION_STRING "\0"
             VALUE "InternalName", "iconv.dll\0"
-            VALUE "LegalCopyright", "Copyright (C) 1999-2022\0"
+            VALUE "LegalCopyright", "Copyright (C) 1999-2024\0"
             VALUE "LegalTrademarks", "\0"
             VALUE "OriginalFilename", "iconv.dll\0"
             VALUE "ProductName", "libiconv: character set conversion library\0"