diff --git a/CHANGELOG.md b/CHANGELOG.md
index bbc12fa1..4e67ed4f 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]
 
+## [0.6.3] - 12/12/2023
+
 ### Added
 
 - added `Grid::dedup_channels`, the C function `pineappl_grid_dedup_channels`
@@ -479,7 +481,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 - first release
 
-[Unreleased]: https://github.com/NNPDF/pineappl/compare/v0.6.2...HEAD
+[Unreleased]: https://github.com/NNPDF/pineappl/compare/v0.6.3...HEAD
+[0.6.3]: https://github.com/NNPDF/pineappl/compare/v0.6.2...v0.6.3
 [0.6.2]: https://github.com/NNPDF/pineappl/compare/v0.6.1...v0.6.2
 [0.6.1]: https://github.com/NNPDF/pineappl/compare/v0.6.0...v0.6.1
 [0.6.0]: https://github.com/NNPDF/pineappl/compare/v0.5.9...v0.6.0
diff --git a/Cargo.lock b/Cargo.lock
index 0d16d89a..0aaa4446 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -975,7 +975,7 @@ dependencies = [
 
 [[package]]
 name = "pineappl"
-version = "0.6.2"
+version = "0.6.3"
 dependencies = [
  "anyhow",
  "arrayvec",
@@ -1001,7 +1001,7 @@ dependencies = [
 
 [[package]]
 name = "pineappl_applgrid"
-version = "0.6.2"
+version = "0.6.3"
 dependencies = [
  "cc",
  "cxx",
@@ -1011,7 +1011,7 @@ dependencies = [
 
 [[package]]
 name = "pineappl_capi"
-version = "0.6.2"
+version = "0.6.3"
 dependencies = [
  "itertools",
  "pineappl",
@@ -1019,7 +1019,7 @@ dependencies = [
 
 [[package]]
 name = "pineappl_cli"
-version = "0.6.2"
+version = "0.6.3"
 dependencies = [
  "anyhow",
  "assert_cmd",
@@ -1050,7 +1050,7 @@ dependencies = [
 
 [[package]]
 name = "pineappl_fastnlo"
-version = "0.6.2"
+version = "0.6.3"
 dependencies = [
  "cxx",
  "cxx-build",
@@ -1059,7 +1059,7 @@ dependencies = [
 
 [[package]]
 name = "pineappl_py"
-version = "0.6.2"
+version = "0.6.3"
 dependencies = [
  "itertools",
  "ndarray",
@@ -1762,7 +1762,7 @@ dependencies = [
 
 [[package]]
 name = "xtask"
-version = "0.6.2"
+version = "0.6.3"
 dependencies = [
  "anyhow",
  "clap",
diff --git a/Cargo.toml b/Cargo.toml
index 5c66ab0d..75a2fe9e 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -22,7 +22,7 @@ keywords = ["high-energy-physics", "physics"]
 license = "GPL-3.0-or-later"
 repository = "https://github.com/NNPDF/pineappl"
 rust-version = "1.64.0"
-version = "0.6.2"
+version = "0.6.3"
 
 [profile.release]
 codegen-units = 1
diff --git a/pineappl_capi/Cargo.toml b/pineappl_capi/Cargo.toml
index 485d4deb..09fce3d5 100644
--- a/pineappl_capi/Cargo.toml
+++ b/pineappl_capi/Cargo.toml
@@ -13,7 +13,7 @@ rust-version.workspace = true
 version.workspace = true
 
 [dependencies]
-pineappl = { path = "../pineappl", version = "=0.6.2" }
+pineappl = { path = "../pineappl", version = "=0.6.3" }
 itertools = "0.10.1"
 
 [features]
diff --git a/pineappl_cli/Cargo.toml b/pineappl_cli/Cargo.toml
index c2eacf4f..0c5e8428 100644
--- a/pineappl_cli/Cargo.toml
+++ b/pineappl_cli/Cargo.toml
@@ -27,9 +27,9 @@ lhapdf = "0.2.1"
 lz4_flex = { optional = true, version = "0.9.2" }
 ndarray = "0.15.4"
 ndarray-npy = { optional = true, version = "0.8.1" }
-pineappl = { path = "../pineappl", version = "=0.6.2" }
-pineappl_applgrid = { optional = true, path = "../pineappl_applgrid", version = "=0.6.2" }
-pineappl_fastnlo = { optional = true, path = "../pineappl_fastnlo", version = "=0.6.2" }
+pineappl = { path = "../pineappl", version = "=0.6.3" }
+pineappl_applgrid = { optional = true, path = "../pineappl_applgrid", version = "=0.6.3" }
+pineappl_fastnlo = { optional = true, path = "../pineappl_fastnlo", version = "=0.6.3" }
 prettytable-rs = { default-features = false, features = ["win_crlf"], version = "0.10.0" }
 rayon = "1.5.1"
 serde = { features = ["derive"], optional = true, version = "1.0.130" }
diff --git a/pineappl_py/Cargo.toml b/pineappl_py/Cargo.toml
index 467b7738..c57b995b 100644
--- a/pineappl_py/Cargo.toml
+++ b/pineappl_py/Cargo.toml
@@ -27,5 +27,5 @@ crate-type = ["cdylib"]
 itertools = "0.10.1"
 ndarray = "0.15.4"
 numpy = "0.16.2"
-pineappl = { path = "../pineappl", version = "=0.6.2" }
+pineappl = { path = "../pineappl", version = "=0.6.3" }
 pyo3 = { features = ["extension-module"], version = "0.16.4" }
diff --git a/xtask/Cargo.toml b/xtask/Cargo.toml
index 2d6c0f99..4364a7b8 100644
--- a/xtask/Cargo.toml
+++ b/xtask/Cargo.toml
@@ -17,4 +17,4 @@ clap = { features = ["string"], version = "4.2.0" }
 clap_mangen = "0.2.7, <0.2.14" # TODO: 0.2.14 has MSRV >=1.70.0
 #git2 = "0.17.2"
 #semver = "1.0.17"
-pineappl_cli = { path = "../pineappl_cli", version = "=0.6.2" }
+pineappl_cli = { path = "../pineappl_cli", version = "=0.6.3" }