diff --git a/Cargo.lock b/Cargo.lock
index 27ddead157..5dd1c26a00 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1583,9 +1583,9 @@ checksum = "1df8c4ec4b0627e53bdf214615ad287367e482558cf84b109250b37464dc03ae"
 
 [[package]]
 name = "plotters"
-version = "0.3.1"
+version = "0.3.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "32a3fd9ec30b9749ce28cd91f255d569591cdf937fe280c312143e3c4bad6f2a"
+checksum = "2538b639e642295546c50fcd545198c9d64ee2a38620a628724a3b266d5fbf97"
 dependencies = [
  "num-traits",
  "plotters-backend",