diff --git a/plugins/xcp-metrics-plugin-bridge-v2/Cargo.toml b/plugins/xcp-metrics-plugin-bridge-v2/Cargo.toml
index e0ffaf8..d637ddc 100644
--- a/plugins/xcp-metrics-plugin-bridge-v2/Cargo.toml
+++ b/plugins/xcp-metrics-plugin-bridge-v2/Cargo.toml
@@ -4,6 +4,7 @@ edition = "2021"
 version.workspace = true
 repository.workspace = true
 categories.workspace = true
+license = "AGPL-3.0-only"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
diff --git a/plugins/xcp-metrics-plugin-squeezed/Cargo.toml b/plugins/xcp-metrics-plugin-squeezed/Cargo.toml
index 817c985..0cbfe07 100644
--- a/plugins/xcp-metrics-plugin-squeezed/Cargo.toml
+++ b/plugins/xcp-metrics-plugin-squeezed/Cargo.toml
@@ -4,6 +4,7 @@ edition = "2021"
 version.workspace = true
 repository.workspace = true
 categories.workspace = true
+license = "AGPL-3.0-only"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
diff --git a/plugins/xcp-metrics-plugin-xenstored/Cargo.toml b/plugins/xcp-metrics-plugin-xenstored/Cargo.toml
index cfea854..67b3d10 100644
--- a/plugins/xcp-metrics-plugin-xenstored/Cargo.toml
+++ b/plugins/xcp-metrics-plugin-xenstored/Cargo.toml
@@ -4,6 +4,7 @@ edition = "2021"
 version.workspace = true
 repository.workspace = true
 categories.workspace = true
+license = "AGPL-3.0-only"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html