diff --git a/quantum_systems/system.py b/quantum_systems/system.py
index 914479a..24f3fb7 100644
--- a/quantum_systems/system.py
+++ b/quantum_systems/system.py
@@ -80,6 +80,10 @@ def compute_particle_density(self, rho_qp, C=None, C_tilde=None):
             rho_qp, C=C, C_tilde=C_tilde
         )
 
+    @property
+    def dim(self):
+        return self._basis_set.dim
+
     @property
     def grid(self):
         return self._basis_set.grid
diff --git a/setup.py b/setup.py
index d7207ee..f2fda7f 100644
--- a/setup.py
+++ b/setup.py
@@ -2,7 +2,7 @@
 
 setup(
     name="quantum-systems",
-    version="0.1.2",
+    version="0.2.6",
     packages=find_packages(),
     install_requires=[
         "numpy",