diff --git a/MANIFEST.in b/MANIFEST.in
new file mode 100644
index 0000000..528b395
--- /dev/null
+++ b/MANIFEST.in
@@ -0,0 +1 @@
+include src/equi7grid/data/equi7grid.dat
diff --git a/src/equi7grid/_version.py b/src/equi7grid/_version.py
index 8026ad8..7a76673 100644
--- a/src/equi7grid/_version.py
+++ b/src/equi7grid/_version.py
@@ -1,2 +1,2 @@
-__version__ = "v0.2.2"
-__commit__ = "0d84b8c"
+__version__ = "v0.2.3"
+__commit__ = "5a03a9e"