diff --git a/Cargo.lock b/Cargo.lock
index 08aef69f..800c1039 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -4,7 +4,7 @@ version = 3
 
 [[package]]
 name = "erg"
-version = "0.5.9-nightly.6"
+version = "0.5.9"
 dependencies = [
  "erg_common",
  "erg_compiler",
@@ -13,7 +13,7 @@ dependencies = [
 
 [[package]]
 name = "erg_common"
-version = "0.5.9-nightly.6"
+version = "0.5.9"
 dependencies = [
  "hermit-abi",
  "libc",
@@ -22,7 +22,7 @@ dependencies = [
 
 [[package]]
 name = "erg_compiler"
-version = "0.5.9-nightly.6"
+version = "0.5.9"
 dependencies = [
  "erg_common",
  "erg_parser",
@@ -30,7 +30,7 @@ dependencies = [
 
 [[package]]
 name = "erg_parser"
-version = "0.5.9-nightly.6"
+version = "0.5.9"
 dependencies = [
  "erg_common",
 ]
diff --git a/Cargo.toml b/Cargo.toml
index fb2f5256..19106a61 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "erg"
-version = "0.5.9-nightly.6"
+version = "0.5.9"
 description = "The Erg programming language"
 authors = ["erg-lang team <moderation.erglang@gmail.com>"]
 license = "MIT OR Apache-2.0"
@@ -18,7 +18,7 @@ members = [
 ]
 
 [workspace.package]
-version = "0.5.9-nightly.6"
+version = "0.5.9"
 authors = ["erg-lang team <moderation.erglang@gmail.com>"]
 license = "MIT OR Apache-2.0"
 edition = "2021"
@@ -50,9 +50,9 @@ traditional_chinese = [
 pre-commit = []
 
 [dependencies]
-erg_common = { version = "0.5.9-nightly.6", path = "./compiler/erg_common" }
-erg_parser = { version = "0.5.9-nightly.6", path = "./compiler/erg_parser" }
-erg_compiler = { version = "0.5.9-nightly.6", path = "./compiler/erg_compiler" }
+erg_common = { version = "0.5.9", path = "./compiler/erg_common" }
+erg_parser = { version = "0.5.9", path = "./compiler/erg_parser" }
+erg_compiler = { version = "0.5.9", path = "./compiler/erg_compiler" }
 
 # [workspace]
 # member = ["cm", "dyne"]
diff --git a/compiler/erg_compiler/Cargo.toml b/compiler/erg_compiler/Cargo.toml
index 38c2793f..618c16ec 100644
--- a/compiler/erg_compiler/Cargo.toml
+++ b/compiler/erg_compiler/Cargo.toml
@@ -24,8 +24,8 @@ traditional_chinese = [
 ]
 
 [dependencies]
-erg_common = { version = "0.5.9-nightly.6", path = "../erg_common" }
-erg_parser = { version = "0.5.9-nightly.6", path = "../erg_parser" }
+erg_common = { version = "0.5.9", path = "../erg_common" }
+erg_parser = { version = "0.5.9", path = "../erg_parser" }
 
 [lib]
 path = "lib.rs"
diff --git a/compiler/erg_parser/Cargo.toml b/compiler/erg_parser/Cargo.toml
index 9b121054..03d5e749 100644
--- a/compiler/erg_parser/Cargo.toml
+++ b/compiler/erg_parser/Cargo.toml
@@ -16,7 +16,7 @@ simplified_chinese = ["erg_common/simplified_chinese"]
 traditional_chinese = ["erg_common/traditional_chinese"]
 
 [dependencies]
-erg_common = { version = "0.5.9-nightly.6", path = "../erg_common" }
+erg_common = { version = "0.5.9", path = "../erg_common" }
 
 [lib]
 path = "lib.rs"