diff --git a/Cargo.toml b/Cargo.toml
index 8a325fe..9683644 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -3,7 +3,7 @@ name = "pacdef"
 version = "1.0.0-beta7"
 edition = "2021"
 description = "declarative package manager for Arch Linux"
-license = "GPLv3"
+license = "GPL-3.0-or-later"
 repository = "https://github.com/steven-omaha/pacdef"
 readme = "README.md"
 keywords = ["package-manager", "linux", "declarative", "cli"]
diff --git a/crates/pacdef_core/Cargo.toml b/crates/pacdef_core/Cargo.toml
index 2052b00..7f201f6 100644
--- a/crates/pacdef_core/Cargo.toml
+++ b/crates/pacdef_core/Cargo.toml
@@ -3,7 +3,7 @@ name = "pacdef_core"
 version = "1.0.0-beta7"
 edition = "2021"
 description = "pacdef core library"
-license = "GPLv3"
+license = "GPL-3.0-or-later"
 repository = "https://github.com/steven-omaha/pacdef"
 readme = "README.md"
 keywords = ["package-manager", "linux", "declarative", "cli"]
diff --git a/crates/pacdef_macros/Cargo.toml b/crates/pacdef_macros/Cargo.toml
index 500364a..e3463ca 100644
--- a/crates/pacdef_macros/Cargo.toml
+++ b/crates/pacdef_macros/Cargo.toml
@@ -2,7 +2,7 @@
 name = "pacdef_macros"
 version = "0.1.1"
 edition = "2021"
-license = "GPLv3"
+license = "GPL-3.0-or-later"
 readme = "README.md"
 repository = "https://github.com/steven-omaha/pacdef"
 description = "procedural macros for pacdef"