diff --git a/Cargo.lock b/Cargo.lock
index 2578eec..a424523 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -119,12 +119,6 @@ version = "0.3.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "fea41bba32d969b513997752735605054bc0dfa92b4c56bf1189f2e174be7a10"
 
-[[package]]
-name = "dtoa"
-version = "0.4.8"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "56899898ce76aaf4a0f24d914c97ea6ed976d42fec6ad33fcbb0a1103e07b2b0"
-
 [[package]]
 name = "either"
 version = "1.6.1"
@@ -518,6 +512,12 @@ dependencies = [
  "winapi",
 ]
 
+[[package]]
+name = "ryu"
+version = "1.0.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "73b4b750c782965c211b42f022f59af1fbceabdd026623714f104152f1ec149f"
+
 [[package]]
 name = "same-file"
 version = "1.0.6"
@@ -541,12 +541,12 @@ checksum = "f12d06de37cf59146fbdecab66aa99f9fe4f78722e3607577a5375d66bd0c913"
 
 [[package]]
 name = "serde_yaml"
-version = "0.8.21"
+version = "0.8.23"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d8c608a35705a5d3cdc9fbe403147647ff34b921f8e833e49306df898f9b20af"
+checksum = "a4a521f2940385c165a24ee286aa8599633d162077a54bdcae2a6fd5a7bfa7a0"
 dependencies = [
- "dtoa",
  "indexmap",
+ "ryu",
  "serde",
  "yaml-rust",
 ]
diff --git a/Cargo.toml b/Cargo.toml
index 03d1c54..89b12ef 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -36,7 +36,7 @@ pulldown-cmark = "0.8.0"
 pulldown-cmark-to-cmark = "7.1.1"
 rayon = "1.5.0"
 regex = "1.5.3"
-serde_yaml = "0.8.21"
+serde_yaml = "0.8.23"
 slug = "0.1.4"
 snafu = "0.6.10"