diff --git a/CHANGELOG.md b/CHANGELOG.md
index 10632e7..1bff3cb 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,6 @@
 # Revision history for small-bytearray-builder
 
-## 0.3.3.0 -- 2020-??-??
+## 0.3.3.0 -- 2020-02-10
 
 * Add `word64PaddedLowerHex` and `word32PaddedLowerHex`
 * Add `word256Array{LE,BE}` and `word256{LE,BE}`