diff --git a/CHANGELOG.md b/CHANGELOG.md
index ab4b7cd6..dc4dc681 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,16 @@
+## v1.5.0
+
+* Providing only a `drop` argument to `lowest()` or `highest()` will now keep all other elements rather than just the first non-dropped element.
+* `depth` argument to `Die.reroll()` is now mandatory.
+* `tuple` outcomes are now auto-`tupleize`d again during `Die` construction.
+* Add `Die.stochastic_round()` method.
+* Add `percent` option to `Population.probability` methods.
+* Add new `again_count` mode for handling `Again`, which limits the total number of dice.
+* Improved ability to `keep` from both ends for certain types of multiset expressions.
+* Rename `func` parameters to `function`.
+* Experimental `Die.reroll_to_pool()` method.
+* Experimental `all_straights_reduce_counts` and `argsort` multiset evaluations.
+
 ## v1.4.0
 
 * Rename `keep_counts` to `keep_counts_ge`. Add `le`, `lt`, `gt`, `eq`, and `ne` variants.
diff --git a/src/icepool/__init__.py b/src/icepool/__init__.py
index 915acde3..4a3cb860 100644
--- a/src/icepool/__init__.py
+++ b/src/icepool/__init__.py
@@ -19,7 +19,7 @@
 
 __docformat__ = 'google'
 
-__version__ = '1.4.0'
+__version__ = '1.5.0a0'
 
 from typing import Final