diff --git a/core/Cargo.toml b/core/Cargo.toml
index 24823e5c..ac21664a 100644
--- a/core/Cargo.toml
+++ b/core/Cargo.toml
@@ -9,6 +9,12 @@ members = [
     "security",
 ]
 
+# Shared package metadata, inherited by each member via `license.workspace = true`.
+# The repo ships an MIT LICENSE and the README advertises MIT; this makes the
+# crates themselves declare it so `cargo metadata`, packaging and mirrors agree.
+[workspace.package]
+license = "MIT"
+
 # Profiles at workspace root (members' [profile] are ignored in virtual workspaces)
 [profile.release]
 opt-level = 3
diff --git a/core/archipelago/Cargo.toml b/core/archipelago/Cargo.toml
index dacf0d3d..e65b76d8 100644
--- a/core/archipelago/Cargo.toml
+++ b/core/archipelago/Cargo.toml
@@ -2,6 +2,7 @@
 name = "archipelago"
 version = "1.7.126-alpha"
 edition = "2021"
+license.workspace = true
 description = "Archipelago Bitcoin Node OS - Native backend"
 authors = ["Archipelago Team"]
 
diff --git a/core/container/Cargo.toml b/core/container/Cargo.toml
index 3100d40f..119b55fe 100644
--- a/core/container/Cargo.toml
+++ b/core/container/Cargo.toml
@@ -2,6 +2,7 @@
 name = "archipelago-container"
 version = "0.1.0"
 edition = "2021"
+license.workspace = true
 
 [dependencies]
 serde = { version = "1.0", features = ["derive"] }
diff --git a/core/openwrt/Cargo.toml b/core/openwrt/Cargo.toml
index ca6d868f..1b3cdb75 100644
--- a/core/openwrt/Cargo.toml
+++ b/core/openwrt/Cargo.toml
@@ -2,6 +2,7 @@
 name = "archipelago-openwrt"
 version = "0.1.0"
 edition = "2021"
+license.workspace = true
 description = "OpenWrt gateway integration for Archipelago — TollGate provisioning over SSH/UCI"
 
 [lib]
diff --git a/core/performance/Cargo.toml b/core/performance/Cargo.toml
index 41ee83be..b61a4ed1 100644
--- a/core/performance/Cargo.toml
+++ b/core/performance/Cargo.toml
@@ -2,6 +2,7 @@
 name = "archipelago-performance"
 version = "0.1.0"
 edition = "2021"
+license.workspace = true
 
 [dependencies]
 tokio = { version = "1", features = ["full"] }
diff --git a/core/security/Cargo.toml b/core/security/Cargo.toml
index 45892623..e070c30b 100644
--- a/core/security/Cargo.toml
+++ b/core/security/Cargo.toml
@@ -2,6 +2,7 @@
 name = "archipelago-security"
 version = "0.1.0"
 edition = "2021"
+license.workspace = true
 
 [dependencies]
 tokio = { version = "1", features = ["full"] }