debian/changelog

+libgdal-grass (2.3.3~rc2-1~exp2) experimental; urgency=medium
+
+  * Required at least libgdal-dev 2.3.3~rc2.
+
+ -- Bas Couwenberg <sebastic@debian.org>  Fri, 14 Dec 2018 19:28:51 +0100
+
 libgdal-grass (2.3.3~rc2-1~exp1) experimental; urgency=medium
 
   * New upstream release candidate.

debian/control

@@ -9,7 +9,7 @@ Build-Depends: debhelper (>= 9),
                d-shlibs,
                grass (>= 7.4.3),
                grass-dev (>= 7.4.3),
-               libgdal-dev (>= 2.3.3~),
+               libgdal-dev (>= 2.3.3~rc2),
                libpq-dev,
                lsb-release,
                pkg-config