diff --git a/CHANGELOG.md b/CHANGELOG.md
index c3fd114c0..9be5b2704 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,12 +1,12 @@
 # Changelog
 
-## [1.3.1] - 2024-XX-XX
+## [1.3.1] - 2024-02-09
 
 **Bug fixes**:
 
 - Change tolerance of polynomial approximation in Beta-coalescent acceptance probabilities ({issue}`2256`, {pr}`2257`, {user}`JereKoskela`)
 
-## [1.3.0] - 2022-12-13
+## [1.3.0] - 2023-12-13
 
 **New features**