diff --git a/CHANGELOG.md b/CHANGELOG.md
index d6b66d66..5dee824a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -22,6 +22,9 @@
 * DEPRECATIONS:
     * `holodeck.librarian.py` ==> `holodeck.librarian.lib_tools`
         * Rename submodule.  All components remain the same.  All `lib_tools` elements are now also imported into the `librarian` namespace.  i.e. elements like `holodeck.librarian.lib_tools._Param_Space` will now be accessible via `holodeck.librarian._Param_Space`.
+    * Library filenames:
+        * Standard library simulation files will now be saved to the 'library_sims' subdirectory, and filenames 'library__p######.npz'.  Combined library files will now be 'sam-library.hdf5'.
+        * 'Domain' simulation files will be saved to the 'domain_sims' subdirectory, and filenames 'domain__p######.npz'.  Combined domain files will now be 'sam-domain.hdf5'.
 
 * BUGS:
     * Semi-Analytic Models
diff --git a/holodeck/librarian/__init__.py b/holodeck/librarian/__init__.py
index a98ce30e..e0380401 100644
--- a/holodeck/librarian/__init__.py
+++ b/holodeck/librarian/__init__.py
@@ -43,7 +43,7 @@
 # ==== Submodule Definitions ====
 # ==============================================================================
 
-__version__ = "1.2"
+__version__ = "1.3"
 
 DEF_NUM_REALS = 100     #: Default number of realizations to construct in libraries.
 DEF_NUM_FBINS = 40      #: Default number of frequency bins at which to calculate GW signals.