diff --git a/Cargo.lock b/Cargo.lock
index 84cb1de7..ea0001e0 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -371,9 +371,9 @@ dependencies = [
 
 [[package]]
 name = "num-rational"
-version = "0.3.0"
+version = "0.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a5b4d7360f362cfb50dde8143501e6940b22f644be75a4cc90b2d81968908138"
+checksum = "e5fa6d5f418879385b213d905f7cf5bf4aa553d4c380f0152d1d4f2749186fa9"
 dependencies = [
  "autocfg",
  "num-integer",