diff --git a/package/libzlib/libzlib.hash b/package/libzlib/libzlib.hash
index 23bfda8474..cbd9313870 100644
--- a/package/libzlib/libzlib.hash
+++ b/package/libzlib/libzlib.hash
@@ -1,4 +1,4 @@
 # From http://www.zlib.net/
-sha256  8a9ba2898e1d0d774eca6ba5b4627a11e5588ba85c8851336eb38de4683050a7  zlib-1.3.tar.xz
+sha256  38ef96b8dfe510d42707d9c781877914792541133e1870841463bfa73f883e32  zlib-1.3.1.tar.xz
 # License files, locally calculated
 sha256  845efc77857d485d91fb3e0b884aaa929368c717ae8186b66fe1ed2495753243  LICENSE
diff --git a/package/libzlib/libzlib.mk b/package/libzlib/libzlib.mk
index e0a4e454e1..bc5092d9a9 100644
--- a/package/libzlib/libzlib.mk
+++ b/package/libzlib/libzlib.mk
@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-LIBZLIB_VERSION = 1.3
+LIBZLIB_VERSION = 1.3.1
 LIBZLIB_SOURCE = zlib-$(LIBZLIB_VERSION).tar.xz
 LIBZLIB_SITE = https://www.zlib.net
 LIBZLIB_LICENSE = Zlib