diff --git a/srcpkgs/b2sum/template b/srcpkgs/b2sum/template
index 182c2fcdd7..382aed5e77 100644
--- a/srcpkgs/b2sum/template
+++ b/srcpkgs/b2sum/template
@@ -1,6 +1,6 @@
 # Template file for 'b2sum'
 pkgname=b2sum
-version=20150529
+version=20150531
 revision=1
 wrksrc="blake2_code_${version}"
 build_wrksrc=b2sum
@@ -12,7 +12,7 @@ maintainer="Christian Neukirchen <chneukirchen@gmail.com>"
 license="Public Domain"
 homepage="https://blake2.net/"
 distfiles="https://blake2.net/blake2_code_${version}.zip"
-checksum=30a3140f7747fb67765bcf5f26c85c5e9ec8a168bb31faa2dee93f4cc0b5e813
+checksum=37168711cddb349e7462bcc4874992a8e1c66de2318a20507b498be2d7c7d1e7
 
 do_build() {
 	case "$XBPS_TARGET_MACHINE" in