diff --git a/gis/proj/proj.SlackBuild b/gis/proj/proj.SlackBuild
index a5bbc51f4c..2f9393268e 100644
--- a/gis/proj/proj.SlackBuild
+++ b/gis/proj/proj.SlackBuild
@@ -3,10 +3,27 @@
 # Slackware build script for proj
 # Written by Kyle Guinn <elyk03@gmail.com>
 # Maintained by Benjamin Trigona-Harany <slackbuilds@jaxartes.net>
+#
+# Redistribution and use of this script, with or without modification, is
+# permitted provided that the following conditions are met:
+#
+# 1. Redistributions of this script must retain the above copyright
+#    notice, this list of conditions and the following disclaimer.
+#
+#  THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS" AND ANY EXPRESS OR IMPLIED
+#  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+#  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO
+#  EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+#  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+#  PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+#  OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+#  WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+#  OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+#  ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 PRGNAM=proj
-VERSION=${VERSION:-4.8.0}
-BUILD=${BUILD:-2}
+VERSION=${VERSION:-4.9.1}
+BUILD=${BUILD:-1}
 TAG=${TAG:-_SBo}
 
 if [ -z "$ARCH" ]; then
diff --git a/gis/proj/proj.info b/gis/proj/proj.info
index 1847ef37c0..9f27f79ca0 100644
--- a/gis/proj/proj.info
+++ b/gis/proj/proj.info
@@ -1,8 +1,8 @@
 PRGNAM="proj"
-VERSION="4.8.0"
+VERSION="4.9.1"
 HOMEPAGE="http://trac.osgeo.org/proj/"
-DOWNLOAD="http://download.osgeo.org/proj/proj-4.8.0.tar.gz"
-MD5SUM="d815838c92a29179298c126effbb1537"
+DOWNLOAD="http://download.osgeo.org/proj/proj-4.9.1.tar.gz"
+MD5SUM="3cbb2a964fd19a496f5f4265a717d31c"
 DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""
 REQUIRES=""