diff --git a/Cargo.lock b/Cargo.lock
index a69b4147..fda9cd1a 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -162,9 +162,9 @@ dependencies = [
 
 [[package]]
 name = "base64"
-version = "0.13.1"
+version = "0.21.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9e1b586273c5702936fe7b7d6896644d8be71e6314cfe09d3167c95f712589e8"
+checksum = "604178f6c5c21f02dc555784810edfb88d34ac2c73b2eae109655649ee73ce3d"
 
 [[package]]
 name = "bitflags"
@@ -177,6 +177,9 @@ name = "bitflags"
 version = "2.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b4682ae6287fcf752ecaabbfcc7b6f9b72aa33933dc23a554d853aea8eea8635"
+dependencies = [
+ "serde",
+]
 
 [[package]]
 name = "block-buffer"
@@ -1047,13 +1050,14 @@ checksum = "436b050e76ed2903236f032a59761c1eb99e1b0aead2c257922771dab1fc8c78"
 
 [[package]]
 name = "ron"
-version = "0.8.0"
+version = "0.8.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "300a51053b1cb55c80b7a9fde4120726ddf25ca241a1cbb926626f62fb136bff"
+checksum = "b91f7eff05f748767f183df4320a63d6936e9c6107d97c9e6bdd9784f4289c94"
 dependencies = [
  "base64",
- "bitflags 1.3.2",
+ "bitflags 2.4.0",
  "serde",
+ "serde_derive",
 ]
 
 [[package]]
diff --git a/Cargo.toml b/Cargo.toml
index bbabf7d0..4139abac 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -41,7 +41,7 @@ humantime-serde = { version = "1.1.1", default-features = false }
 num-traits = { version = "0.2.16", default-features = false, features = ["std"] }
 proptest = { version = "1.2.0", default-features = false, features = ["std"] }
 rayon = { version = "1.7.0", default-features = false }
-ron = { version = "0.8.0", default-features = false }
+ron = { version = "0.8.1", default-features = false }
 serde = { version = "1.0.183", default-features = false, features = ["derive", "std"] }
 shakmaty = { version = "0.26.0", default-features = false, features = ["std"] }
 test-strategy = { version = "0.3.1", default-features = false }