diff --git a/CHANGELOG.md b/CHANGELOG.md
index ceec9880..e730245d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [1.0.0-rc.21] - 2025-05-15
+
 ## [1.0.0-rc.20] - 2025-05-14
 
 - GUI: Added introduction flow for first-time users
@@ -463,7 +465,8 @@ It is possible to migrate critical data from the old db to the sqlite but there
 - Fixed an issue where Alice would not verify if Bob's Bitcoin lock transaction is semantically correct, i.e. pays the agreed upon amount to an output owned by both of them.
   Fixing this required a **breaking change** on the network layer and hence old versions are not compatible with this version.
 
-[unreleased]: https://github.com/UnstoppableSwap/core/compare/1.0.0-rc.20...HEAD
+[unreleased]: https://github.com/UnstoppableSwap/core/compare/1.0.0-rc.21...HEAD
+[1.0.0-rc.21]: https://github.com/UnstoppableSwap/core/compare/1.0.0-rc.20...1.0.0-rc.21
 [1.0.0-rc.20]: https://github.com/UnstoppableSwap/core/compare/1.0.0-rc.19...1.0.0-rc.20
 [1.0.0-rc.19]: https://github.com/UnstoppableSwap/core/compare/1.0.0-rc.18...1.0.0-rc.19
 [1.0.0-rc.18]: https://github.com/UnstoppableSwap/core/compare/1.0.0-rc.17...1.0.0-rc.18
diff --git a/Cargo.lock b/Cargo.lock
index 887776e3..bae1c948 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -9018,7 +9018,7 @@ checksum = "734676eb262c623cec13c3155096e08d1f8f29adce39ba17948b18dad1e54142"
 
 [[package]]
 name = "swap"
-version = "1.0.0-rc.20"
+version = "1.0.0-rc.21"
 dependencies = [
  "anyhow",
  "arti-client",
@@ -11463,7 +11463,7 @@ dependencies = [
 
 [[package]]
 name = "unstoppableswap-gui-rs"
-version = "1.0.0-rc.20"
+version = "1.0.0-rc.21"
 dependencies = [
  "anyhow",
  "serde",
diff --git a/src-tauri/Cargo.toml b/src-tauri/Cargo.toml
index d2317443..d9000212 100644
--- a/src-tauri/Cargo.toml
+++ b/src-tauri/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "unstoppableswap-gui-rs"
-version = "1.0.0-rc.20"
+version = "1.0.0-rc.21"
 authors = [ "binarybaron", "einliterflasche", "unstoppableswap" ]
 edition = "2021"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
diff --git a/src-tauri/tauri.conf.json b/src-tauri/tauri.conf.json
index 15460228..19d3a48d 100644
--- a/src-tauri/tauri.conf.json
+++ b/src-tauri/tauri.conf.json
@@ -1,6 +1,6 @@
 {
   "productName": "UnstoppableSwap",
-  "version": "1.0.0-rc.20",
+  "version": "1.0.0-rc.21",
   "identifier": "net.unstoppableswap.gui",
   "build": {
     "devUrl": "http://localhost:1420",
diff --git a/swap/Cargo.toml b/swap/Cargo.toml
index 34279ff1..3372e6c9 100644
--- a/swap/Cargo.toml
+++ b/swap/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "swap"
-version = "1.0.0-rc.20"
+version = "1.0.0-rc.21"
 authors = [ "The COMIT guys <hello@comit.network>" ]
 edition = "2021"
 description = "XMR/BTC trustless atomic swaps."