diff --git a/.cargo/publish-all.sh b/.cargo/publish-all.sh
index 54444bdd..aada246a 100755
--- a/.cargo/publish-all.sh
+++ b/.cargo/publish-all.sh
@@ -30,6 +30,7 @@ COMPONENTS="
     ucd
     bidi
     normal
+    idna/mapping
     idna/punycode
     idna
 "
diff --git a/Cargo.toml b/Cargo.toml
index fd4ebe3b..956e642b 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "unic"
-version = "0.3.0"
+version = "0.4.0"
 authors = ["The UNIC Project Developers"]
 homepage = "https://github.com/behnam/rust-unic/"
 repository = "https://github.com/behnam/rust-unic/"
@@ -16,10 +16,10 @@ travis-ci = { repository = "behnam/rust-unic", branch = "master" }
 [workspace]
 
 [dependencies]
-unic-ucd = { path = "components/ucd/", version = "0.3.0" }
-unic-bidi = { path = "components/bidi/", version = "0.2.0" }
-unic-idna = { path = "components/idna/", version = "0.2.0" }
-unic-normal = { path = "components/normal/", version = "0.2.0" }
+unic-ucd = { path = "components/ucd/", version = "0.4.0" }
+unic-bidi = { path = "components/bidi/", version = "0.4.0" }
+unic-idna = { path = "components/idna/", version = "0.4.0" }
+unic-normal = { path = "components/normal/", version = "0.4.0" }
 
 [features]
 default = []
diff --git a/components/bidi/Cargo.toml b/components/bidi/Cargo.toml
index 07822855..1c9b864d 100644
--- a/components/bidi/Cargo.toml
+++ b/components/bidi/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "unic-bidi"
-version = "0.2.0"
+version = "0.4.0"
 authors = ["The UNIC Project Developers"]
 homepage = "https://github.com/behnam/rust-unic/"
 repository = "https://github.com/behnam/rust-unic/"
@@ -21,8 +21,8 @@ with_serde = ["serde", "serde_derive"]
 matches = "0.1"
 serde = {version = ">=0.8, <2.0", optional = true}
 serde_derive = {version = ">=0.8, <2.0", optional = true}
-unic-ucd-bidi = { path = "../ucd/bidi/", version = "0.2.0" }
-unic-ucd-core = { path = "../ucd/core/", version = "0.2.0" }
+unic-ucd-bidi = { path = "../ucd/bidi/", version = "0.4.0" }
+unic-ucd-core = { path = "../ucd/core/", version = "0.4.0" }
 
 [dev-dependencies]
 serde_test = ">=0.8, <2.0"
diff --git a/components/idna/Cargo.toml b/components/idna/Cargo.toml
index b2b4fe60..a4182be3 100644
--- a/components/idna/Cargo.toml
+++ b/components/idna/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "unic-idna"
-version = "0.2.0"
+version = "0.4.0"
 authors = ["The UNIC Project Developers"]
 homepage = "https://github.com/behnam/rust-unic/"
 repository = "https://github.com/behnam/rust-unic/"
@@ -22,9 +22,9 @@ rustc-serialize = "0.3"
 
 [dependencies]
 matches = "0.1"
-unic-idna-punycode = { path = "punycode/", version = "0.2.0" }
-unic-idna-mapping = { path = "mapping/", version = "0.2.0" }
-unic-normal = { path = "../normal/", version = "0.2.0" }
-unic-ucd-bidi = { path = "../ucd/bidi/", version = "0.2.0" }
-unic-ucd-core = { path = "../ucd/core/", version = "0.2.0" }
-unic-ucd-normal = { path = "../ucd/normal/", version = "0.2.0" }
+unic-idna-punycode = { path = "punycode/", version = "0.4.0" }
+unic-idna-mapping = { path = "mapping/", version = "0.4.0" }
+unic-normal = { path = "../normal/", version = "0.4.0" }
+unic-ucd-bidi = { path = "../ucd/bidi/", version = "0.4.0" }
+unic-ucd-core = { path = "../ucd/core/", version = "0.4.0" }
+unic-ucd-normal = { path = "../ucd/normal/", version = "0.4.0" }
diff --git a/components/idna/mapping/Cargo.toml b/components/idna/mapping/Cargo.toml
index 160217d0..9f348bab 100644
--- a/components/idna/mapping/Cargo.toml
+++ b/components/idna/mapping/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "unic-idna-mapping"
-version = "0.2.0"
+version = "0.4.0"
 authors = ["The UNIC Project Developers"]
 homepage = "https://github.com/behnam/rust-unic/"
 repository = "https://github.com/behnam/rust-unic/"
@@ -16,4 +16,4 @@ rustc-test = "0.1"
 rustc-serialize = "0.3"
 
 [dependencies]
-unic-ucd-core = { path = "../../ucd/core/", version = "0.2.0" }
+unic-ucd-core = { path = "../../ucd/core/", version = "0.4.0" }
diff --git a/components/idna/punycode/Cargo.toml b/components/idna/punycode/Cargo.toml
index 76b33c9e..78ba1ebc 100644
--- a/components/idna/punycode/Cargo.toml
+++ b/components/idna/punycode/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "unic-idna-punycode"
-version = "0.2.0"
+version = "0.4.0"
 authors = ["The UNIC Project Developers"]
 homepage = "https://github.com/behnam/rust-unic/"
 repository = "https://github.com/behnam/rust-unic/"
diff --git a/components/normal/Cargo.toml b/components/normal/Cargo.toml
index 757a53b2..90c9579e 100644
--- a/components/normal/Cargo.toml
+++ b/components/normal/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "unic-normal"
-version = "0.2.0"
+version = "0.4.0"
 authors = ["The UNIC Project Developers"]
 homepage = "https://github.com/behnam/rust-unic/"
 repository = "https://github.com/behnam/rust-unic/"
@@ -14,5 +14,5 @@ readme = "README.md"
 travis-ci = { repository = "behnam/rust-unic", branch = "master" }
 
 [dependencies]
-unic-ucd-core = { path = "../ucd/core/", version = "0.2.0" }
-unic-ucd-normal = { path = "../ucd/normal/", version = "0.2.0" }
+unic-ucd-core = { path = "../ucd/core/", version = "0.4.0" }
+unic-ucd-normal = { path = "../ucd/normal/", version = "0.4.0" }
diff --git a/components/ucd/Cargo.toml b/components/ucd/Cargo.toml
index 4359eb1f..8aa235d1 100644
--- a/components/ucd/Cargo.toml
+++ b/components/ucd/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "unic-ucd"
-version = "0.3.0"
+version = "0.4.0"
 authors = ["The UNIC Project Developers"]
 homepage = "https://github.com/behnam/rust-unic/"
 repository = "https://github.com/behnam/rust-unic/"
@@ -13,8 +13,8 @@ readme = "README.md"
 travis-ci = { repository = "behnam/rust-unic", branch = "master" }
 
 [dependencies]
-unic-ucd-age = { path = "age/", version = "0.3.0" }
-unic-ucd-bidi = { path = "bidi/", version = "0.2.0" }
-unic-ucd-core = { path = "core/", version = "0.2.0" }
-unic-ucd-normal = { path = "normal/", version = "0.2.0" }
-unic-ucd-utils = { path = "utils/", version = "0.2.0" }
+unic-ucd-age = { path = "age/", version = "0.4.0" }
+unic-ucd-bidi = { path = "bidi/", version = "0.4.0" }
+unic-ucd-core = { path = "core/", version = "0.4.0" }
+unic-ucd-normal = { path = "normal/", version = "0.4.0" }
+unic-ucd-utils = { path = "utils/", version = "0.4.0" }
diff --git a/components/ucd/age/Cargo.toml b/components/ucd/age/Cargo.toml
index 88b0e225..a8b48b8f 100644
--- a/components/ucd/age/Cargo.toml
+++ b/components/ucd/age/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "unic-ucd-age"
-version = "0.3.0"
+version = "0.4.0"
 authors = ["The UNIC Project Developers"]
 homepage = "https://github.com/behnam/rust-unic/"
 repository = "https://github.com/behnam/rust-unic/"
@@ -12,4 +12,4 @@ description = "UNIC - Unicode Character Database - Age"
 travis-ci = { repository = "behnam/rust-unic", branch = "master" }
 
 [dependencies]
-unic-ucd-core = { path = "../core/", version = "0.2.0" }
+unic-ucd-core = { path = "../core/", version = "0.4.0" }
diff --git a/components/ucd/bidi/Cargo.toml b/components/ucd/bidi/Cargo.toml
index 31c5464e..b81fa34d 100644
--- a/components/ucd/bidi/Cargo.toml
+++ b/components/ucd/bidi/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "unic-ucd-bidi"
-version = "0.2.0"
+version = "0.4.0"
 authors = ["The UNIC Project Developers"]
 homepage = "https://github.com/behnam/rust-unic/"
 repository = "https://github.com/behnam/rust-unic/"
@@ -12,4 +12,4 @@ description = "UNIC - Unicode Character Database - Bidi Properties"
 travis-ci = { repository = "behnam/rust-unic", branch = "master" }
 
 [dependencies]
-unic-ucd-core = { path = "../core/", version = "0.2.0" }
+unic-ucd-core = { path = "../core/", version = "0.4.0" }
diff --git a/components/ucd/core/Cargo.toml b/components/ucd/core/Cargo.toml
index 5ccd6a28..c63577b7 100644
--- a/components/ucd/core/Cargo.toml
+++ b/components/ucd/core/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "unic-ucd-core"
-version = "0.2.0"
+version = "0.4.0"
 authors = ["The UNIC Project Developers"]
 homepage = "https://github.com/behnam/rust-unic/"
 repository = "https://github.com/behnam/rust-unic/"
diff --git a/components/ucd/normal/Cargo.toml b/components/ucd/normal/Cargo.toml
index 241148b4..93bf4e44 100644
--- a/components/ucd/normal/Cargo.toml
+++ b/components/ucd/normal/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "unic-ucd-normal"
-version = "0.2.0"
+version = "0.4.0"
 authors = ["The UNIC Project Developers"]
 homepage = "https://github.com/behnam/rust-unic/"
 repository = "https://github.com/behnam/rust-unic/"
@@ -12,4 +12,4 @@ description = "UNIC - Unicode Character Database - Normalization Properties"
 travis-ci = { repository = "behnam/rust-unic", branch = "master" }
 
 [dependencies]
-unic-ucd-core = { path = "../core/", version = "0.2.0" }
+unic-ucd-core = { path = "../core/", version = "0.4.0" }
diff --git a/components/ucd/utils/Cargo.toml b/components/ucd/utils/Cargo.toml
index 13f3cbaf..b9ebb57b 100644
--- a/components/ucd/utils/Cargo.toml
+++ b/components/ucd/utils/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "unic-ucd-utils"
-version = "0.2.0"
+version = "0.4.0"
 authors = ["The UNIC Project Developers"]
 homepage = "https://github.com/behnam/rust-unic/"
 repository = "https://github.com/behnam/rust-unic/"