diff --git a/CHANGELOG.md b/CHANGELOG.md
index 802fb31..f033e73 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,8 @@
 # Change Log
 
-## [Unreleased](https://github.com/dalance/sv-parser/compare/v0.4.19...Unreleased) - ReleaseDate
+## [Unreleased](https://github.com/dalance/sv-parser/compare/v0.4.20...Unreleased) - ReleaseDate
+
+## [v0.4.20](https://github.com/dalance/sv-parser/compare/v0.4.19...v0.4.20) - 2020-01-22
 
 * [Fixed] macro arguments spacing
 * [Added] `` `__LINE__`` and `` `__FILE__`` are preprocessed
diff --git a/README.md b/README.md
index f5153d0..a95df2c 100644
--- a/README.md
+++ b/README.md
@@ -14,7 +14,7 @@ SystemVerilog parser library fully complient with [IEEE 1800-2017](https://stand
 
 ```Cargo.toml
 [dependencies]
-sv-parser = "0.4.19"
+sv-parser = "0.4.20"
 ```
 
 sv-parser provides [`parse_sv`](https://docs.rs/sv-parser/latest/sv_parser/fn.parse_sv.html) function which returns [`SyntaxTree`](https://docs.rs/sv-parser/latest/sv_parser/struct.SyntaxTree.html).
diff --git a/sv-parser-error/Cargo.toml b/sv-parser-error/Cargo.toml
index c3b8a8f..7b3721d 100644
--- a/sv-parser-error/Cargo.toml
+++ b/sv-parser-error/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "sv-parser-error"
-version = "0.4.19"
+version = "0.4.20"
 authors = ["dalance@gmail.com"]
 repository = "https://github.com/dalance/sv-parser"
 keywords = ["parser", "verilog", "systemverilog"]
diff --git a/sv-parser-macros/Cargo.toml b/sv-parser-macros/Cargo.toml
index 857717f..5dd363b 100644
--- a/sv-parser-macros/Cargo.toml
+++ b/sv-parser-macros/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "sv-parser-macros"
-version = "0.4.19"
+version = "0.4.20"
 authors = ["dalance@gmail.com"]
 repository = "https://github.com/dalance/sv-parser"
 keywords = ["parser", "verilog", "systemverilog"]
diff --git a/sv-parser-parser/Cargo.toml b/sv-parser-parser/Cargo.toml
index 1c26efa..9447baa 100644
--- a/sv-parser-parser/Cargo.toml
+++ b/sv-parser-parser/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "sv-parser-parser"
-version = "0.4.19"
+version = "0.4.20"
 authors = ["dalance@gmail.com"]
 repository = "https://github.com/dalance/sv-parser"
 keywords = ["parser", "verilog", "systemverilog"]
@@ -25,5 +25,5 @@ nom-packrat          = "0.3.0"
 nom-recursive        = {version = "0.1.1", features = ["tracer128"]}
 nom-tracable         = "0.4.1"
 str-concat           = "0.1.4"
-sv-parser-macros     = {version = "^0.4.19", path = "../sv-parser-macros"}
-sv-parser-syntaxtree = {version = "^0.4.19", path = "../sv-parser-syntaxtree"}
+sv-parser-macros     = {version = "^0.4.20", path = "../sv-parser-macros"}
+sv-parser-syntaxtree = {version = "^0.4.20", path = "../sv-parser-syntaxtree"}
diff --git a/sv-parser-pp/Cargo.toml b/sv-parser-pp/Cargo.toml
index b255d71..4b0d204 100644
--- a/sv-parser-pp/Cargo.toml
+++ b/sv-parser-pp/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "sv-parser-pp"
-version = "0.4.19"
+version = "0.4.20"
 authors = ["dalance@gmail.com"]
 repository = "https://github.com/dalance/sv-parser"
 keywords = ["parser", "verilog", "systemverilog"]
@@ -21,6 +21,6 @@ trace   = ["sv-parser-parser/trace"]
 failure              = "0.1.5"
 nom                  = "5.0.0"
 nom-greedyerror      = "0.1.0"
-sv-parser-error      = {version = "^0.4.19", path = "../sv-parser-error"}
-sv-parser-parser     = {version = "^0.4.19", path = "../sv-parser-parser"}
-sv-parser-syntaxtree = {version = "^0.4.19", path = "../sv-parser-syntaxtree"}
+sv-parser-error      = {version = "^0.4.20", path = "../sv-parser-error"}
+sv-parser-parser     = {version = "^0.4.20", path = "../sv-parser-parser"}
+sv-parser-syntaxtree = {version = "^0.4.20", path = "../sv-parser-syntaxtree"}
diff --git a/sv-parser-syntaxtree/Cargo.toml b/sv-parser-syntaxtree/Cargo.toml
index f06cf46..a498388 100644
--- a/sv-parser-syntaxtree/Cargo.toml
+++ b/sv-parser-syntaxtree/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "sv-parser-syntaxtree"
-version = "0.4.19"
+version = "0.4.20"
 authors = ["dalance@gmail.com"]
 repository = "https://github.com/dalance/sv-parser"
 keywords = ["parser", "verilog", "systemverilog"]
@@ -15,7 +15,7 @@ build = "build.rs"
 disable-tag = true
 
 [dependencies]
-sv-parser-macros = {version = "^0.4.19", path = "../sv-parser-macros"}
+sv-parser-macros = {version = "^0.4.20", path = "../sv-parser-macros"}
 
 [build-dependencies]
 regex   = "1"
diff --git a/sv-parser/Cargo.toml b/sv-parser/Cargo.toml
index 0084312..c3429eb 100644
--- a/sv-parser/Cargo.toml
+++ b/sv-parser/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "sv-parser"
-version = "0.4.19"
+version = "0.4.20"
 authors = ["dalance@gmail.com"]
 repository = "https://github.com/dalance/sv-parser"
 keywords = ["parser", "verilog", "systemverilog"]
@@ -25,10 +25,10 @@ trace   = ["sv-parser-parser/trace"]
 [dependencies]
 nom                  = "5.0.0"
 nom-greedyerror      = "0.1.0"
-sv-parser-error      = {version = "^0.4.19", path = "../sv-parser-error"}
-sv-parser-parser     = {version = "^0.4.19", path = "../sv-parser-parser"}
-sv-parser-pp         = {version = "^0.4.19", path = "../sv-parser-pp"}
-sv-parser-syntaxtree = {version = "^0.4.19", path = "../sv-parser-syntaxtree"}
+sv-parser-error      = {version = "^0.4.20", path = "../sv-parser-error"}
+sv-parser-parser     = {version = "^0.4.20", path = "../sv-parser-parser"}
+sv-parser-pp         = {version = "^0.4.20", path = "../sv-parser-pp"}
+sv-parser-syntaxtree = {version = "^0.4.20", path = "../sv-parser-syntaxtree"}
 
 [dev-dependencies]
 structopt = "0.3.2"