diff --git a/CHANGELOG b/CHANGELOG
index 20a471f..0f458d6 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,5 +1,5 @@
 1.0.3:
-  * fix: use ax.sharey instead of join method which is unsupported in recent mpl verions
+  * fix: use ax.sharey instead of join method which is unsupported in recent mpl versions
 1.0.2:
   * enhance compatibility with SeismicHandler (see #37, #38)
   * fix: replace np.asscalar
diff --git a/rf/__init__.py b/rf/__init__.py
index 2fdd705..4fc67d2 100644
--- a/rf/__init__.py
+++ b/rf/__init__.py
@@ -268,7 +268,7 @@
 .. _GitHub: https://github.com/trichter/rf/
 """
 
-__version__ = '1.0.3'
+__version__ = '1.0.4-dev'
 
 from rf.profile import get_profile_boxes
 from rf.rfstream import read_rf, RFStream, rfstats