diff --git a/Cargo.lock b/Cargo.lock
index 833d86f..9a099d5 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -395,7 +395,7 @@ dependencies = [
 
 [[package]]
 name = "esplora-tapyrus"
-version = "0.5.0"
+version = "0.5.1"
 dependencies = [
  "arraydeque",
  "arrayref",
diff --git a/Cargo.toml b/Cargo.toml
index 3d7f0f7..5b5d25f 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "esplora-tapyrus"
-version = "0.5.0"
+version = "0.5.1"
 authors = ["Chaintope Inc.", "Roman Zeyde (original author) <me@romanzey.de>"]
 description = "An efficient re-implementation of Electrum Server in Rust"
 license = "MIT"
diff --git a/RELEASE-NOTES.md b/RELEASE-NOTES.md
index d0028eb..e2b96d2 100644
--- a/RELEASE-NOTES.md
+++ b/RELEASE-NOTES.md
@@ -1,3 +1,7 @@
+# 0.5.1 (26 Apr 2024)
+
+* Implement new REST API `GET /colors`
+
 # 0.5.0 (27 Jan 2023)
 
 * This is the first release for esplora-tapyrus. This is modified to work with [Tapyrus Core](https://github.com/chaintope/tapyrus-core) from [the original esplora](https://github.com/Blockstream/esplora). The information for points where the modification are found in https://github.com/chaintope/tapyrus-core/tree/master/doc/tapyrus .