diff --git a/CHANGELOG.md b/CHANGELOG.md
index 31e074740..48bd99b09 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -15,6 +15,7 @@
 
 - PR #592 Add `auto_flush` to `make_logging_adaptor`
 - PR #602 Fix `device_scalar` and its tests so that they use the correct CUDA stream
+- PR #621 Make `rmm::cuda_stream_default` a `constexpr`
 
 # RMM 0.16.0 (21 Oct 2020)