diff --git a/project/bundles/3rdparty/ext_libicu/CMakeLists.txt b/project/bundles/3rdparty/ext_libicu/CMakeLists.txt
index f497e8f025..d1b3897696 100644
--- a/project/bundles/3rdparty/ext_libicu/CMakeLists.txt
+++ b/project/bundles/3rdparty/ext_libicu/CMakeLists.txt
@@ -1,27 +1,27 @@
 # Script to build libicu for digiKam bundle.
 #
 # Copyright (c) 2015-2019, Gilles Caulier, <caulier dot gilles at gmail dot com>
 #
 # Redistribution and use is allowed according to the terms of the BSD license.
 # For details see the accompanying COPYING-CMAKE-SCRIPTS file.
 #
 
 SET(EXTPREFIX_libicu "${EXTPREFIX}")
 
 ExternalProject_Add(ext_libicu
     DOWNLOAD_DIR ${EXTERNALS_DOWNLOAD_DIR}
-    URL https://github.com/unicode-org/icu/archive/release-58-2.tar.gz
-    URL_MD5 005466b3a8415020fcdef01961c9fdb9
+    URL https://github.com/unicode-org/icu/archive/release-64-2.tar.gz
+    URL_MD5 6bab6095784e0d1ede06d6d27df29bf2
 
     INSTALL_DIR ${EXTPREFIX_libicu}
 
     CONFIGURE_COMMAND cd <SOURCE_DIR>/icu4c/source && ./configure --prefix ${EXTPREFIX_libicu} --enable-tests=no --enable-samples=no --with-data-packaging=library --disable-renaming
 
     BUILD_COMMAND cd <SOURCE_DIR>/icu4c/source && $(MAKE)
 
     INSTALL_COMMAND cd <SOURCE_DIR>/icu4c/source && $(MAKE) install
 
     UPDATE_COMMAND ""
     BUILD_IN_SOURCE 1
     ALWAYS 0
 )