diff --git a/Cargo.lock b/Cargo.lock
index 9f06091..0f9377c 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -111,7 +111,7 @@ dependencies = [
 
 [[package]]
 name = "pep508_rs"
-version = "0.8.0"
+version = "0.8.1"
 dependencies = [
  "indoc",
  "once_cell",
@@ -135,9 +135,9 @@ checksum = "e3148f5046208a5d56bcfc03053e3ca6334e51da8dfb19b6cdc8b306fae3283e"
 
 [[package]]
 name = "pin-project-lite"
-version = "0.2.14"
+version = "0.2.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bda66fc9667c18cb2758a2ac84d1167245054bcf85d5d1aaa6923f45801bdd02"
+checksum = "915a1e146535de9163f3987b8944ed8cf49a18bb0056bcebcdcece385cece4ff"
 
 [[package]]
 name = "proc-macro2"
@@ -159,9 +159,9 @@ dependencies = [
 
 [[package]]
 name = "regex"
-version = "1.11.0"
+version = "1.11.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "38200e5ee88914975b69f657f0801b6f6dccafd44fd9326302a4aaeecfacb1d8"
+checksum = "b544ef1b4eac5dc2db33ea63606ae9ffcfac26c1416a2806ae0bf5f56b201191"
 dependencies = [
  "aho-corasick",
  "memchr",
@@ -209,18 +209,18 @@ checksum = "f3cb5ba0dc43242ce17de99c180e96db90b235b8a9fdc9543c96d2209116bd9f"
 
 [[package]]
 name = "serde"
-version = "1.0.213"
+version = "1.0.214"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3ea7893ff5e2466df8d720bb615088341b295f849602c6956047f8f80f0e9bc1"
+checksum = "f55c3193aca71c12ad7890f1785d2b73e1b9f63a0bbc353c08ef26fe03fc56b5"
 dependencies = [
  "serde_derive",
 ]
 
 [[package]]
 name = "serde_derive"
-version = "1.0.213"
+version = "1.0.214"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7e85ad2009c50b58e87caa8cd6dac16bdf511bbfb7af6c33df902396aa480fa5"
+checksum = "de523f781f095e28fa605cdce0f8307e451cc0fd14e2eb4cd2e98a355b147766"
 dependencies = [
  "proc-macro2",
  "quote",
diff --git a/Cargo.toml b/Cargo.toml
index 016258b..73e8bb2 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "pep508_rs"
-version = "0.8.0"
+version = "0.8.1"
 description = "A library for python dependency specifiers, better known as PEP 508"
 edition = "2021"
 include = ["/src", "Changelog.md", "License-Apache", "License-BSD", "Readme.md", "pyproject.toml"]
diff --git a/Changelog.md b/Changelog.md
index 72a56a6..e393ad2 100644
--- a/Changelog.md
+++ b/Changelog.md
@@ -1,3 +1,7 @@
+# 0.8.1
+
+- Reexport pep440_rs
+
 # 0.8.0
 
 - Remove rkyv feature
diff --git a/src/lib.rs b/src/lib.rs
index ebe8056..e5c122d 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -32,6 +32,9 @@ pub use marker::{
     MarkerValueString, MarkerValueVersion, MarkerWarningKind, StringVersion,
 };
 pub use normalize::{ExtraName, InvalidNameError, PackageName};
+/// Version and version specifiers used in requirements (reexport).
+// https://github.com/konstin/pep508_rs/issues/19
+pub use pep440_rs;
 pub use verbatim_url::{split_scheme, VerbatimUrl};
 
 mod marker;