diff --git a/Cargo.lock b/Cargo.lock
index 90d037cf..79385941 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1021,9 +1021,9 @@ checksum = "90ed8c1e510134f979dbc4f070f87d4313098b704861a105fe34231c70a3901c"
 
 [[package]]
 name = "mdbook"
-version = "0.4.38"
+version = "0.4.40"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "109ae4480a0187ec08c19f84a0cc70e466ec2ff6935407e40b1e2b240232b789"
+checksum = "b45a38e19bd200220ef07c892b0157ad3d2365e5b5a267ca01ad12182491eea5"
 dependencies = [
  "anyhow",
  "chrono",
@@ -1310,9 +1310,9 @@ dependencies = [
 
 [[package]]
 name = "pulldown-cmark"
-version = "0.11.0"
+version = "0.10.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8746739f11d39ce5ad5c2520a9b75285310dbfe78c541ccf832d38615765aec0"
+checksum = "76979bea66e7875e7509c4ec5300112b316af87fa7a252ca91c448b32dfe3993"
 dependencies = [
  "bitflags 2.4.2",
  "memchr",
@@ -1322,9 +1322,9 @@ dependencies = [
 
 [[package]]
 name = "pulldown-cmark-escape"
-version = "0.11.0"
+version = "0.10.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "007d8adb5ddab6f8e3f491ac63566a7d5002cc7ed73901f72057943fa71ae1ae"
+checksum = "bd348ff538bc9caeda7ee8cad2d1d48236a1f443c1fa3913c6a02fe0043b1dd3"
 
 [[package]]
 name = "quote"