diff --git a/Cargo.lock b/Cargo.lock
index a78de9ef0..bd8b41383 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -97,7 +97,7 @@ dependencies = [
 
 [[package]]
 name = "els"
-version = "0.1.32"
+version = "0.1.33-nightly.0"
 dependencies = [
  "erg_common",
  "erg_compiler",
@@ -109,7 +109,7 @@ dependencies = [
 
 [[package]]
 name = "erg"
-version = "0.6.20"
+version = "0.6.21-nightly.0"
 dependencies = [
  "els",
  "erg_common",
@@ -119,7 +119,7 @@ dependencies = [
 
 [[package]]
 name = "erg_common"
-version = "0.6.20"
+version = "0.6.21-nightly.0"
 dependencies = [
  "backtrace-on-stack-overflow",
  "crossterm",
@@ -129,7 +129,7 @@ dependencies = [
 
 [[package]]
 name = "erg_compiler"
-version = "0.6.20"
+version = "0.6.21-nightly.0"
 dependencies = [
  "erg_common",
  "erg_parser",
@@ -137,7 +137,7 @@ dependencies = [
 
 [[package]]
 name = "erg_parser"
-version = "0.6.20"
+version = "0.6.21-nightly.0"
 dependencies = [
  "erg_common",
  "unicode-xid",
diff --git a/Cargo.toml b/Cargo.toml
index b8ff26723..86bf0231f 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -20,7 +20,7 @@ members = [
 ]
 
 [workspace.package]
-version = "0.6.20"
+version = "0.6.21-nightly.0"
 authors = ["erg-lang team <moderation.erglang@gmail.com>"]
 license = "MIT OR Apache-2.0"
 edition = "2021"
@@ -64,10 +64,10 @@ full = ["els", "full-repl", "unicode", "pretty"]
 experimental = ["erg_common/experimental", "erg_parser/experimental", "erg_compiler/experimental"]
 
 [workspace.dependencies]
-erg_common = { version = "0.6.20", path = "./crates/erg_common" }
-erg_parser = { version = "0.6.20", path = "./crates/erg_parser" }
-erg_compiler = { version = "0.6.20", path = "./crates/erg_compiler" }
-els = { version = "0.1.32", path = "./crates/els" }
+erg_common = { version = "0.6.21-nightly.0", path = "./crates/erg_common" }
+erg_parser = { version = "0.6.21-nightly.0", path = "./crates/erg_parser" }
+erg_compiler = { version = "0.6.21-nightly.0", path = "./crates/erg_compiler" }
+els = { version = "0.1.33-nightly.0", path = "./crates/els" }
 
 [dependencies]
 erg_common = { workspace = true }
diff --git a/crates/els/Cargo.toml b/crates/els/Cargo.toml
index 065fd6768..ab414c04e 100644
--- a/crates/els/Cargo.toml
+++ b/crates/els/Cargo.toml
@@ -2,7 +2,7 @@
 name = "els"
 description = "An Erg compiler frontend for IDEs, implements LSP."
 documentation = "http://docs.rs/els"
-version = "0.1.32"
+version = "0.1.33-nightly.0"
 authors.workspace = true
 license.workspace = true
 edition.workspace = true