diff --git a/Cargo.lock b/Cargo.lock
index 18459af..10c91c3 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -865,9 +865,9 @@ dependencies = [
 
 [[package]]
 name = "pulldown-cmark"
-version = "0.13.3"
+version = "0.13.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7c3a14896dfa883796f1cb410461aef38810ea05f2b2c33c5aded3649095fdad"
+checksum = "e9f068eba8e7071c5f9511831b44f32c740d5adf574e990f946ddb53db2f314e"
 dependencies = [
  "bitflags",
  "getopts",
diff --git a/Cargo.toml b/Cargo.toml
index ae70f45..617700a 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -21,7 +21,7 @@ color-name = "1.2.0"
 hex_color = "3.0.0"
 log = "0.4.30"
 mdbook-markdown = "0.5.3"
-pulldown-cmark = "0.13.3"
+pulldown-cmark = "0.13.4"
 toml = "1.1.2"
 pulldown-cmark-to-cmark = "22.0.0"
 semver = "1.0.28"