diff --git a/Cargo.toml b/Cargo.toml
index 40f4b1a4e..cfceb33f4 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -22,7 +22,7 @@ edition = "2021"
 rust-version = "1.86"
 
 [workspace.dependencies]
-differential-dataflow = { path = "differential-dataflow", default-features = false, version = "0.21.1" }
+differential-dataflow = { path = "differential-dataflow", default-features = false, version = "0.21.2" }
 timely = { version = "0.28", default-features = false }
 columnar = { version = "0.12", default-features = false }
 #timely = { git = "https://github.com/TimelyDataflow/timely-dataflow" }
diff --git a/differential-dataflow/Cargo.toml b/differential-dataflow/Cargo.toml
index 1c144e641..b448d9c72 100644
--- a/differential-dataflow/Cargo.toml
+++ b/differential-dataflow/Cargo.toml
@@ -1,7 +1,7 @@
 [package]
 
 name = "differential-dataflow"
-version = "0.21.1"
+version = "0.21.2"
 authors = ["Frank McSherry <fmcsherry@me.com>"]
 
 description = "An incremental data-parallel dataflow platform"
diff --git a/dogsdogsdogs/CHANGELOG.md b/dogsdogsdogs/CHANGELOG.md
index 047d3e2b1..dda9c23b5 100644
--- a/dogsdogsdogs/CHANGELOG.md
+++ b/dogsdogsdogs/CHANGELOG.md
@@ -7,6 +7,14 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [0.21.2](https://github.com/TimelyDataflow/differential-dataflow/compare/differential-dogs3-v0.21.1...differential-dogs3-v0.21.2) - 2026-04-02
+
+### Other
+
+- Consolidate storage types to avoid double allocations
+- Re-order stages and improve session batching
+- Less quadratic half_join
+
 ## [0.21.0](https://github.com/TimelyDataflow/differential-dataflow/compare/differential-dogs3-v0.20.0...differential-dogs3-v0.21.0) - 2026-03-25
 
 ### Other
diff --git a/dogsdogsdogs/Cargo.toml b/dogsdogsdogs/Cargo.toml
index 2f6a1985b..4e5a6bef2 100644
--- a/dogsdogsdogs/Cargo.toml
+++ b/dogsdogsdogs/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "differential-dogs3"
-version = "0.21.1"
+version = "0.21.2"
 authors = ["Frank McSherry <fmcsherry@me.com>"]
 license = "MIT"
 edition.workspace = true