diff --git a/CHANGELOG.md b/CHANGELOG.md
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--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,6 @@
+# 1.14.5 (Unreleased)
+
+
 # 1.14.4 (March 20, 2024)
 
 * `msgpack`: Now uses string encoding instead of float encoding for a whole number that is too large to fit in any of MessagePack's integer types.