diff --git a/crypto++/.footprint b/crypto++/.footprint
index e950c4e0d..dd2fc367e 100644
--- a/crypto++/.footprint
+++ b/crypto++/.footprint
@@ -14,12 +14,14 @@ drwxr-xr-x	root/root	usr/include/cryptopp/
 -rw-r--r--	root/root	usr/include/cryptopp/base64.h
 -rw-r--r--	root/root	usr/include/cryptopp/basecode.h
 -rw-r--r--	root/root	usr/include/cryptopp/bench.h
+-rw-r--r--	root/root	usr/include/cryptopp/blake2.h
 -rw-r--r--	root/root	usr/include/cryptopp/blowfish.h
 -rw-r--r--	root/root	usr/include/cryptopp/blumshub.h
 -rw-r--r--	root/root	usr/include/cryptopp/camellia.h
 -rw-r--r--	root/root	usr/include/cryptopp/cast.h
 -rw-r--r--	root/root	usr/include/cryptopp/cbcmac.h
 -rw-r--r--	root/root	usr/include/cryptopp/ccm.h
+-rw-r--r--	root/root	usr/include/cryptopp/chacha.h
 -rw-r--r--	root/root	usr/include/cryptopp/channels.h
 -rw-r--r--	root/root	usr/include/cryptopp/cmac.h
 -rw-r--r--	root/root	usr/include/cryptopp/config.h
@@ -42,6 +44,7 @@ drwxr-xr-x	root/root	usr/include/cryptopp/
 -rw-r--r--	root/root	usr/include/cryptopp/eprecomp.h
 -rw-r--r--	root/root	usr/include/cryptopp/esign.h
 -rw-r--r--	root/root	usr/include/cryptopp/factory.h
+-rw-r--r--	root/root	usr/include/cryptopp/fhmqv.h
 -rw-r--r--	root/root	usr/include/cryptopp/files.h
 -rw-r--r--	root/root	usr/include/cryptopp/filters.h
 -rw-r--r--	root/root	usr/include/cryptopp/fips140.h
@@ -56,11 +59,13 @@ drwxr-xr-x	root/root	usr/include/cryptopp/
 -rw-r--r--	root/root	usr/include/cryptopp/hex.h
 -rw-r--r--	root/root	usr/include/cryptopp/hkdf.h
 -rw-r--r--	root/root	usr/include/cryptopp/hmac.h
+-rw-r--r--	root/root	usr/include/cryptopp/hmqv.h
 -rw-r--r--	root/root	usr/include/cryptopp/hrtimer.h
 -rw-r--r--	root/root	usr/include/cryptopp/ida.h
 -rw-r--r--	root/root	usr/include/cryptopp/idea.h
 -rw-r--r--	root/root	usr/include/cryptopp/integer.h
 -rw-r--r--	root/root	usr/include/cryptopp/iterhash.h
+-rw-r--r--	root/root	usr/include/cryptopp/keccak.h
 -rw-r--r--	root/root	usr/include/cryptopp/lubyrack.h
 -rw-r--r--	root/root	usr/include/cryptopp/luc.h
 -rw-r--r--	root/root	usr/include/cryptopp/mars.h
diff --git a/crypto++/.md5sum b/crypto++/.md5sum
index fe1ddeef1..ea68386c7 100644
--- a/crypto++/.md5sum
+++ b/crypto++/.md5sum
@@ -1,2 +1,2 @@
-3c5b70e2ec98b7a24988734446242d07  cryptopp563.zip
+4ee7e5cdd4a45a14756c169eaf2a77fc  cryptopp564.zip
 5b2c116b1e1728f58afb8798b27df4e9  libcrypto++.pc.in
diff --git a/crypto++/Pkgfile b/crypto++/Pkgfile
index 0444de343..8af1e0a59 100644
--- a/crypto++/Pkgfile
+++ b/crypto++/Pkgfile
@@ -4,7 +4,7 @@
 # Packager: Antti Nykanen, aon at iki dot fi
 
 name=crypto++
-version=5.6.3
+version=5.6.4
 release=1
 source=(http://www.cryptopp.com/${name/++/pp}${version//\./}.zip
 	libcrypto++.pc.in)
@@ -13,6 +13,10 @@ build() {
 	sed -i -e 's/^CXXFLAGS/#CXXFLAGS/' GNUmakefile
 	export CXXFLAGS="$CXXFLAGS -DNDEBUG -fPIC"
 
+	# http://www.openwall.com/lists/oss-security/2016/09/19/6
+	echo "#define CRYPTOPP_UNUSED(x) ((void)(x))" >> config.h
+	sed -i -e 's|assert[[:space:]]*(|CRYPTOPP_UNUSED(|g' *.h *.cpp
+
 	make -f GNUmakefile
 	make libcryptopp.so