diff --git a/sstable/Cargo.toml b/sstable/Cargo.toml
index 3f14d9047..32858fd39 100644
--- a/sstable/Cargo.toml
+++ b/sstable/Cargo.toml
@@ -2,6 +2,7 @@
 name = "tantivy-sstable"
 version = "0.1.0"
 edition = "2021"
+license = "MIT"
 
 [dependencies]
 common = {path="../common", package="tantivy-common"}
diff --git a/stacker/Cargo.toml b/stacker/Cargo.toml
index 933eb0737..0f098ff12 100644
--- a/stacker/Cargo.toml
+++ b/stacker/Cargo.toml
@@ -2,6 +2,7 @@
 name = "tantivy-stacker"
 version = "0.1.0"
 edition = "2021"
+license = "MIT"
 
 [dependencies]
 murmurhash32 = "0.2"