diff --git a/libimagmail/Cargo.toml b/libimagmail/Cargo.toml
index de9fbe64..4494f32a 100644
--- a/libimagmail/Cargo.toml
+++ b/libimagmail/Cargo.toml
@@ -8,6 +8,7 @@ log = "0.3"
 mailparse = "0.2.0"
 semver = "0.2"
 toml = "0.2.*"
+filters = "0.1.0"
 
 [dependencies.libimagstore]
 path = "../libimagstore"
diff --git a/libimagmail/src/lib.rs b/libimagmail/src/lib.rs
index 3629c24e..d21252eb 100644
--- a/libimagmail/src/lib.rs
+++ b/libimagmail/src/lib.rs
@@ -2,6 +2,7 @@
 extern crate mailparse;
 extern crate semver;
 extern crate toml;
+extern crate filters;
 
 #[macro_use] extern crate libimagerror;
 extern crate libimagstore;