diff --git a/CHANGELOG.markdown b/CHANGELOG.markdown
index 866a4a2..00582b9 100644
--- a/CHANGELOG.markdown
+++ b/CHANGELOG.markdown
@@ -1,5 +1,5 @@
-next [????.??.??]
------------------
+4.5.5 [2024.01.28]
+------------------
 * `Numeric.AD.Mode.Reverse.Double` now handles IEEE floating-point special
   values (e.g., `NaN` and `Inf`) correctly when `ad` is compiled with `+ffi`.
   Note that this increase in floating-point accuracy may come at a slight
diff --git a/ad.cabal b/ad.cabal
index f894d4a..8890935 100644
--- a/ad.cabal
+++ b/ad.cabal
@@ -1,5 +1,5 @@
 name:          ad
-version:       4.5.4
+version:       4.5.5
 license:       BSD3
 license-File:  LICENSE
 copyright:     (c) Edward Kmett 2010-2021,