diff --git a/development/spin/spin.SlackBuild b/development/spin/spin.SlackBuild
index 00e4a84fe1..2ee42e5226 100644
--- a/development/spin/spin.SlackBuild
+++ b/development/spin/spin.SlackBuild
@@ -25,7 +25,7 @@
 # not, see <http://www.gnu.org/licenses/>.
 
 PRGNAM=spin
-VERSION=${VERSION:-6.3.2}
+VERSION=${VERSION:-6.4.3}
 BUILD=${BUILD:-1}
 TAG=${TAG:-_SBo}
 
diff --git a/development/spin/spin.info b/development/spin/spin.info
index 10443bb65d..056bb397ba 100644
--- a/development/spin/spin.info
+++ b/development/spin/spin.info
@@ -1,8 +1,8 @@
 PRGNAM="spin"
-VERSION="6.3.2"
+VERSION="6.4.3"
 HOMEPAGE="http://spinroot.com/"
-DOWNLOAD="http://spinroot.com/spin/Src/spin632.tar.gz"
-MD5SUM="7071491854ce56290d8d067d5e87acff"
+DOWNLOAD="http://spinroot.com/spin/Src/spin643.tar.gz"
+MD5SUM="17eb7f14df3616e25635691967786996"
 DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""
 REQUIRES=""