diff --git a/var/spack/repos/builtin/packages/votca-csg/package.py b/var/spack/repos/builtin/packages/votca-csg/package.py
index feadf40812a1e070b6db1cf6eb6e554a2e29c154..1aa8f0f2ce9860d2931a9a07e318466d6ddde961 100644
--- a/var/spack/repos/builtin/packages/votca-csg/package.py
+++ b/var/spack/repos/builtin/packages/votca-csg/package.py
@@ -27,6 +27,6 @@ class VotcaCsg(CMakePackage):
 
     depends_on("cmake@2.8:", type='build')
     for v in ["1.4", "1.4.1", "1.5", "1.5.1", "develop"]:
-        depends_on('votca-tools@%s' % v, when="@%s" % v)
+        depends_on('votca-tools@%s' % v, when="@%s:%s.0" % (v, v))
     depends_on("gromacs~mpi@5.1:")
     depends_on("hdf5~mpi")
diff --git a/var/spack/repos/builtin/packages/votca-ctp/package.py b/var/spack/repos/builtin/packages/votca-ctp/package.py
index 130426e4b730f94069f352b0ef36e626c05cb13c..e7fdbe55bf703e04130010fcebd97842a1f8db3b 100644
--- a/var/spack/repos/builtin/packages/votca-ctp/package.py
+++ b/var/spack/repos/builtin/packages/votca-ctp/package.py
@@ -25,6 +25,6 @@ class VotcaCtp(CMakePackage):
 
     depends_on("cmake@2.8:", type='build')
     for v in ["1.5", "1.5.1", "develop"]:
-        depends_on('votca-tools@%s' % v, when="@%s" % v)
-        depends_on('votca-csg@%s' % v, when="@%s" % v)
+        depends_on('votca-tools@%s' % v, when="@%s:%s.0" % (v, v))
+        depends_on('votca-csg@%s' % v, when="@%s:%s.0" % (v, v))
     depends_on("gsl")
diff --git a/var/spack/repos/builtin/packages/votca-xtp/package.py b/var/spack/repos/builtin/packages/votca-xtp/package.py
index e1cc2ebafbf1e2afd1b6e18848789befe4ce3777..ae53f4dc6e3709b34b3bcdc6087571b4ffaacb09 100644
--- a/var/spack/repos/builtin/packages/votca-xtp/package.py
+++ b/var/spack/repos/builtin/packages/votca-xtp/package.py
@@ -26,8 +26,7 @@ class VotcaXtp(CMakePackage):
 
     depends_on("cmake@2.8:", type='build')
     for v in ["1.4.1", "1.5", "1.5.1", "develop"]:
-        depends_on('votca-tools@%s' % v, when="@%s" % v)
-        depends_on('votca-csg@%s' % v, when="@%s" % v)
-    depends_on("votca-ctp@develop", when='@develop')
+        depends_on('votca-tools@%s' % v, when="@%s:%s.0" % (v, v))
+        depends_on('votca-csg@%s' % v, when="@%s:%s.0" % (v, v))
     depends_on("libxc", when='@1.5:')
     depends_on("ceres-solver", when='@1.5:')