diff --git a/Project.toml b/Project.toml
index 75a1daa9..0444af20 100644
--- a/Project.toml
+++ b/Project.toml
@@ -1,7 +1,7 @@
 name = "PDBTools"
 uuid = "e29189f1-7114-4dbd-93d0-c5673a921a58"
 authors = ["Leandro Martinez <lmartine@unicamp.br>"]
-version = "0.15.0"
+version = "0.15.1-DEV"
 
 [deps]
 AtomsBase = "a963bdd2-2df7-4f54-a1ee-49d51e6be12a"