diff --git a/core/c/jbigi/download_gmp.sh b/core/c/jbigi/download_gmp.sh
index 40828c06c..ffb395e79 100644
--- a/core/c/jbigi/download_gmp.sh
+++ b/core/c/jbigi/download_gmp.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 
-export GMP_VER=6.0.0
-export GMP_TARVER=${GMP_VER}a
+export GMP_VER=6.1.2
+export GMP_TARVER=${GMP_VER}
 export GMP_DIR="gmp-$GMP_VER"
 export GMP_TAR="gmp-$GMP_TARVER.tar.bz2"