diff --git a/community/giac/PKGBUILD b/community/giac/PKGBUILD
index 0821c7b32..f3448a769 100644
--- a/community/giac/PKGBUILD
+++ b/community/giac/PKGBUILD
@@ -4,9 +4,9 @@
 #  - delete shipped x86 binary src/mkjs to force rebuild for ARM
 
 pkgname=giac
-_pkgver=1.9.0-47
+_pkgver=1.9.0-49
 pkgver=${_pkgver//-/.}
-pkgrel=2
+pkgrel=1
 pkgdesc='A free computer algebra system'
 arch=(x86_64)
 url='http://www-fourier.ujf-grenoble.fr/~parisse/giac.html'
@@ -18,7 +18,7 @@ replaces=(libgiac xcas)
 provides=(libgiac xcas)
 source=(http://www-fourier.ujf-grenoble.fr/~parisse/debian/dists/stable/main/source/${pkgname}_$_pkgver.tar.gz
         format-security.patch)
-sha256sums=('b1bf8d9cc775add96c5f05008e2bfc95658bd73aebb4bdc5c2610cf3cd89d3a6'
+sha256sums=('b9cd59b52b261a1598ab95bcd2d4b3f7ce1f90b226a9e5ad19e6e200b6f39147'
             '04288944e408807a15aa502e1215087870d8921229c9f9890d862d3c9de337cd')
 
 prepare() {