diff --git a/Cargo.toml b/Cargo.toml
index e8f13b3..39e55bf 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -9,7 +9,7 @@ members = [
 name = "sing_rs"
 version = "0.1.0"
 edition = "2021"
-license = "AGPL"
+license = "AGPL-3.0-or-later"
 license_file = "LICENSE.md"
 authors = [ "Daniel Mowitz" ]
 repository = "https://gitea.chaostreff-alzey.de/Thelie/sing"
diff --git a/sing_macros/Cargo.toml b/sing_macros/Cargo.toml
index 2bcf9a7..34fc940 100644
--- a/sing_macros/Cargo.toml
+++ b/sing_macros/Cargo.toml
@@ -2,7 +2,7 @@
 name = "sing_macros"
 version = "0.1.0"
 edition = "2021"
-license = "AGPL"
+license = "AGPL-3.0-or-later"
 license_file = "../LICENSE.md"
 authors = [ "Daniel Mowitz" ]
 description = "Macros for sing_rs"
diff --git a/sing_parse/Cargo.toml b/sing_parse/Cargo.toml
index 6c4375e..5e87cbd 100644
--- a/sing_parse/Cargo.toml
+++ b/sing_parse/Cargo.toml
@@ -2,7 +2,7 @@
 name = "sing_parse"
 version = "0.1.0"
 edition = "2021"
-license = "AGPL"
+license = "AGPL-3.0-or-later"
 license_file = "../LICENSE.md"
 authors = [ "Daniel Mowitz" ]
 description = "Parsing utilities for sing_rs"
diff --git a/sing_util/Cargo.toml b/sing_util/Cargo.toml
index da8a546..7b9d538 100644
--- a/sing_util/Cargo.toml
+++ b/sing_util/Cargo.toml
@@ -2,7 +2,7 @@
 name = "sing_util"
 version = "0.1.0"
 edition = "2021"
-license = "AGPL"
+license = "AGPL-3.0-or-later"
 license_file = "../LICENSE.md"
 authors = [ "Daniel Mowitz" ]
 description = "Internal functions and types for sing_rs"