diff --git a/Cargo.lock b/Cargo.lock
index 108afdf96..618573a4f 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -845,7 +845,7 @@ dependencies = [
 
 [[package]]
 name = "halo2_gadgets"
-version = "0.3.0"
+version = "0.3.1"
 dependencies = [
  "arrayvec",
  "bitvec",
diff --git a/halo2_gadgets/CHANGELOG.md b/halo2_gadgets/CHANGELOG.md
index 26728c221..c1896dc19 100644
--- a/halo2_gadgets/CHANGELOG.md
+++ b/halo2_gadgets/CHANGELOG.md
@@ -7,6 +7,12 @@ and this project adheres to Rust's notion of
 
 ## [Unreleased]
 
+## [0.3.1] - 2024-12-16
+- `halo2_gadgets::poseidon::primitives` is now a re-export of the new `halo2_poseidon`
+  crate.
+- `halo2_gadgets::sinsemilla::primitives` is now a re-export of the new `sinsemilla`
+  crate.
+
 ## [0.3.0] - 2023-03-21
 ### Added
 - `halo2_gadgets::poseidon::primitives::{Mds, generate_constants}`
diff --git a/halo2_gadgets/Cargo.toml b/halo2_gadgets/Cargo.toml
index dcb2ce4db..b8c458c54 100644
--- a/halo2_gadgets/Cargo.toml
+++ b/halo2_gadgets/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "halo2_gadgets"
-version = "0.3.0"
+version = "0.3.1"
 authors = [
     "Sean Bowe <sean@electriccoin.co>",
     "Jack Grigg <jack@electriccoin.co>",