diff --git a/Makefile b/Makefile
index 58dfcbf..ebd6003 100644
--- a/Makefile
+++ b/Makefile
@@ -3,7 +3,7 @@ TARGET = lmath
 ROOT_DIR = .
 
 SRC_DIR        = $(ROOT_DIR)/src
-SRC_CRATE      = $(TARGET).rc
+SRC_CRATE      = $(TARGET).rs
 BUILD_DIR      = $(ROOT_DIR)/lib
 
 TEST           = $(TARGET)
diff --git a/pkg.rs b/pkg.rs
new file mode 100644
index 0000000..187940a
--- /dev/null
+++ b/pkg.rs
@@ -0,0 +1,3 @@
+#[pkg_crate(file = "src/lmath.rs")];
+#[pkg(id = "lmath", vers = "0.1.0")];
+#[pkg_dep(url = "git://github.com/bjz/numeric-rs")];
\ No newline at end of file
diff --git a/src/lmath.rc b/src/lmath.rs
similarity index 96%
rename from src/lmath.rc
rename to src/lmath.rs
index 4c369a3..819b804 100644
--- a/src/lmath.rc
+++ b/src/lmath.rs
@@ -1,5 +1,5 @@
 #[link(name = "lmath",
-       vers = "0.1",
+       vers = "0.1.0",
        uuid = "A2DEEB53-EB35-4B44-B247-9044B57E3BA5",
        author = "Brendan Zabarauskas",
        url = "https://github.com/bjz/lmath-rs")];