diff --git a/Cargo.lock b/Cargo.lock
index b86949f..08c7ccb 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -177,10 +177,11 @@ dependencies = [
 
 [[package]]
 name = "serde"
-version = "1.0.219"
+version = "1.0.227"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5f0e2c6ed6606019b4e29e69dbaba95b11854410e5347d525002456dbbb786b6"
+checksum = "80ece43fc6fbed4eb5392ab50c07334d3e577cbf40997ee896fe7af40bba4245"
 dependencies = [
+ "serde_core",
  "serde_derive",
 ]
 
@@ -195,11 +196,20 @@ dependencies = [
  "wasm-bindgen",
 ]
 
+[[package]]
+name = "serde_core"
+version = "1.0.227"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7a576275b607a2c86ea29e410193df32bc680303c82f31e275bbfcafe8b33be5"
+dependencies = [
+ "serde_derive",
+]
+
 [[package]]
 name = "serde_derive"
-version = "1.0.219"
+version = "1.0.227"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5b0276cf7f2c73365f7157c8123c21cd9a50fbbd844757af28ca1f5925fc2a00"
+checksum = "51e694923b8824cf0e9b382adf0f60d4e05f348f357b38833a3fa5ed7c2ede04"
 dependencies = [
  "proc-macro2",
  "quote",