diff --git a/Cargo.lock b/Cargo.lock
index b86949f..3d46f09 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -177,10 +177,11 @@ dependencies = [
 
 [[package]]
 name = "serde"
-version = "1.0.219"
+version = "1.0.225"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5f0e2c6ed6606019b4e29e69dbaba95b11854410e5347d525002456dbbb786b6"
+checksum = "fd6c24dee235d0da097043389623fb913daddf92c76e9f5a1db88607a0bcbd1d"
 dependencies = [
+ "serde_core",
  "serde_derive",
 ]
 
@@ -195,11 +196,20 @@ dependencies = [
  "wasm-bindgen",
 ]
 
+[[package]]
+name = "serde_core"
+version = "1.0.225"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "659356f9a0cb1e529b24c01e43ad2bdf520ec4ceaf83047b83ddcc2251f96383"
+dependencies = [
+ "serde_derive",
+]
+
 [[package]]
 name = "serde_derive"
-version = "1.0.219"
+version = "1.0.225"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5b0276cf7f2c73365f7157c8123c21cd9a50fbbd844757af28ca1f5925fc2a00"
+checksum = "0ea936adf78b1f766949a4977b91d2f5595825bd6ec079aa9543ad2685fc4516"
 dependencies = [
  "proc-macro2",
  "quote",