diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6c1b6bab369e5a099cff1657524d162812d605bb..4fba95af8d295e6e5ab5da1d3fb693f96f89c32e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -140,6 +140,9 @@ Changes in Coq:
       authoritative injection.
   - `auth_both_valid` → `auth_both_valid_2`
   - `auth_valid_discrete_2` → `auth_both_valid`
+* Add the camera `ufrac` for unbounded fractions (i.e. without fractions that
+  can be `> 1`) and the camera `ufrac_auth` for a variant of the authoritative
+  fractional camera (`frac_auth`) with unbounded fractions.
 
 ## Iris 3.1.0 (released 2017-12-19)