diff --git a/CHANGELOG.md b/CHANGELOG.md
index 5ede7364..1a3deeff 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,20 @@
 Change Log
 ==========
 
+Version 0.20.0 *(2024-05-31)*
+-----------------------------
+
+* Make `COUNT()` aggregation argument to be `Option<Any>`.
+* Replace `lazy_static` crate by `std::sync::OnceLock`.
+* Migrate to gix `0.63.0`.
+* Fix hidden selection in group by statement.
+* Implement `GROUP_CONCAT` Aggregation function.
+* Catching function argument with undefined type.
+* Update Regex expression implementation to not converted to call.
+* Introduce `gitql-core` and `gitql-std` to allow dynamic std.
+* Implement `BIN` Text function.
+* Implement `bool_and` and `bool_or` aggregation functions.
+
 Version 0.19.1 *(2024-05-19)*
 -----------------------------
 
diff --git a/Cargo.lock b/Cargo.lock
index e756bb45..cafe52d1 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -440,7 +440,7 @@ dependencies = [
 
 [[package]]
 name = "gitql"
-version = "0.19.1"
+version = "0.20.0"
 dependencies = [
  "atty",
  "gitql-ast",
@@ -454,14 +454,14 @@ dependencies = [
 
 [[package]]
 name = "gitql-ast"
-version = "0.17.1"
+version = "0.18.0"
 dependencies = [
  "gitql-core",
 ]
 
 [[package]]
 name = "gitql-cli"
-version = "0.19.1"
+version = "0.20.0"
 dependencies = [
  "comfy-table",
  "gitql-ast",
@@ -481,7 +481,7 @@ dependencies = [
 
 [[package]]
 name = "gitql-engine"
-version = "0.19.1"
+version = "0.20.0"
 dependencies = [
  "chrono",
  "gitql-ast",
@@ -491,7 +491,7 @@ dependencies = [
 
 [[package]]
 name = "gitql-parser"
-version = "0.18.1"
+version = "0.19.0"
 dependencies = [
  "gitql-ast",
  "gitql-core",
diff --git a/Cargo.toml b/Cargo.toml
index 20130502..4bbbbd9f 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,7 +1,7 @@
 [package]
 name = "gitql"
 authors = ["AmrDeveloper"]
-version = "0.19.1"
+version = "0.20.0"
 edition = "2021"
 description = "A SQL like query language to perform queries on .git files"
 license = "MIT"
@@ -28,9 +28,9 @@ gix = { version = "0.63.0", default-features = false }
 [dependencies]
 gitql-core = { path = "./crates/gitql-core", version = "0.1.0" }
 gitql-std = { path = "./crates/gitql-std", version = "0.1.0" }
-gitql-ast = { path = "./crates/gitql-ast", version = "0.17.1" }
-gitql-parser = { path = "./crates/gitql-parser", version = "0.18.1" }
-gitql-engine = { path = "./crates/gitql-engine", version = "0.19.1" }
-gitql-cli = { path = "./crates/gitql-cli", version = "0.19.1" }
+gitql-ast = { path = "./crates/gitql-ast", version = "0.18.0" }
+gitql-parser = { path = "./crates/gitql-parser", version = "0.19.0" }
+gitql-engine = { path = "./crates/gitql-engine", version = "0.20.0" }
+gitql-cli = { path = "./crates/gitql-cli", version = "0.20.0" }
 gix = { workspace = true, features = ["blob-diff", "max-performance"] }
 atty = "0.2.14"
diff --git a/RELEASING.md b/RELEASING.md
index 7304350e..f551d52b 100644
--- a/RELEASING.md
+++ b/RELEASING.md
@@ -1,4 +1,4 @@
-# Releasing
+# Releasing GitQL Application
 
 1. Update the `CHANGELOG.md`:
 2. Update `Cargo.toml` with the new version.
@@ -23,4 +23,9 @@
    ```
 
    This will trigger a GitHub Action workflow which will create a GitHub release and
-   publish to Cargo.
\ No newline at end of file
+   publish to Cargo.
+
+# Releasing GitQL SDK crate
+
+  1. Update `Cargo.toml` with the new version.
+  2. `cargo publish --allow-dirty`
\ No newline at end of file
diff --git a/crates/gitql-ast/Cargo.toml b/crates/gitql-ast/Cargo.toml
index de88b32a..0a47439d 100644
--- a/crates/gitql-ast/Cargo.toml
+++ b/crates/gitql-ast/Cargo.toml
@@ -1,7 +1,7 @@
 [package]
 name = "gitql-ast"
 authors = ["AmrDeveloper"]
-version = "0.17.1"
+version = "0.18.0"
 edition = "2021"
 description = "GitQL Abstract syntax tree (AST)"
 repository = "https://github.com/amrdeveloper/gql/tree/main/crates/gitql-ast"
diff --git a/crates/gitql-cli/Cargo.toml b/crates/gitql-cli/Cargo.toml
index 58497a67..ffe1b81b 100644
--- a/crates/gitql-cli/Cargo.toml
+++ b/crates/gitql-cli/Cargo.toml
@@ -1,7 +1,7 @@
 [package]
 name = "gitql-cli"
 authors = ["AmrDeveloper"]
-version = "0.19.1"
+version = "0.20.0"
 edition = "2021"
 description = "GitQL Command line interface (CLI) components"
 repository = "https://github.com/amrdeveloper/gql/tree/main/crates/gitql-cli"
@@ -11,7 +11,7 @@ categories = ["command-line-utilities"]
 
 [dependencies]
 gitql-core = { path = "../gitql-core", version = "0.1.0" }
-gitql-ast = { path = "../gitql-ast", version = "0.17.1" }
-gitql-parser = { path = "../gitql-parser", version = "0.18.1" }
+gitql-ast = { path = "../gitql-ast", version = "0.18.0" }
+gitql-parser = { path = "../gitql-parser", version = "0.19.0" }
 comfy-table = "7.1.0"
 termcolor = "1.4.1"
diff --git a/crates/gitql-engine/Cargo.toml b/crates/gitql-engine/Cargo.toml
index 2c3a9bec..8bcb358e 100644
--- a/crates/gitql-engine/Cargo.toml
+++ b/crates/gitql-engine/Cargo.toml
@@ -1,7 +1,7 @@
 [package]
 name = "gitql-engine"
 authors = ["AmrDeveloper"]
-version = "0.19.1"
+version = "0.20.0"
 edition = "2021"
 description = "GitQL Engine"
 repository = "https://github.com/amrdeveloper/gql/tree/main/crates/gitql-engine"
@@ -11,6 +11,6 @@ categories = ["command-line-utilities"]
 
 [dependencies]
 gitql-core = { path = "../gitql-core", version = "0.1.0" }
-gitql-ast = { path = "../gitql-ast", version = "0.17.1" }
+gitql-ast = { path = "../gitql-ast", version = "0.18.0" }
 regex = "1.10.4"
 chrono = "0.4.38"
diff --git a/crates/gitql-parser/Cargo.toml b/crates/gitql-parser/Cargo.toml
index 25a0440e..b02f04d4 100644
--- a/crates/gitql-parser/Cargo.toml
+++ b/crates/gitql-parser/Cargo.toml
@@ -1,7 +1,7 @@
 [package]
 name = "gitql-parser"
 authors = ["AmrDeveloper"]
-version = "0.18.1"
+version = "0.19.0"
 edition = "2021"
 description = "GitQL parser"
 repository = "https://github.com/amrdeveloper/gql/tree/main/crates/gitql-parser"
@@ -11,4 +11,4 @@ categories = ["command-line-utilities"]
 
 [dependencies]
 gitql-core = { path = "../gitql-core", version = "0.1.0" }
-gitql-ast = { path = "../gitql-ast", version = "0.17.1" }
+gitql-ast = { path = "../gitql-ast", version = "0.18.0" }