diff --git a/win32/build/libs_version.txt b/win32/build/libs_version.txt
index 71af7a1a0d4..a22823d0a94 100644
--- a/win32/build/libs_version.txt
+++ b/win32/build/libs_version.txt
@@ -1,7 +1,7 @@
 bz2-1.0.6
 cclient-2007f
 freetype-2.5.3
-icu-52.1
+icu-53.1
 jpeglib-9a
 libcurl-7.36.0
 libiconv-1.14