diff --git a/book/games/pong/Cargo.lock b/book/games/pong/Cargo.lock
index 74ddc411..d63b6bcd 100644
--- a/book/games/pong/Cargo.lock
+++ b/book/games/pong/Cargo.lock
@@ -393,9 +393,9 @@ checksum = "a2eb9349b6444b326872e140eb1cf5e7c522154d69e7a0ffb0fb81c06b37543f"
 
 [[package]]
 name = "syn"
-version = "1.0.95"
+version = "1.0.96"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fbaf6116ab8924f39d52792136fb74fd60a80194cf1b1c6ffa6453eef1c3f942"
+checksum = "0748dd251e24453cb8717f0354206b91557e4ec8703673a4b30208f2abaf1ebf"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -413,9 +413,9 @@ dependencies = [
 
 [[package]]
 name = "ttf-parser"
-version = "0.15.0"
+version = "0.15.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c74c96594835e10fa545e2a51e8709f30b173a092bfd6036ef2cec53376244f3"
+checksum = "42d4b50cba812f0f04f0707bb6a0eaa5fae4ae05d90fc2a377998d2f21e77a1c"
 
 [[package]]
 name = "unicode-ident"
diff --git a/examples/the-hat-chooses-the-wizard/Cargo.lock b/examples/the-hat-chooses-the-wizard/Cargo.lock
index 529d92d3..cbed70f1 100644
--- a/examples/the-hat-chooses-the-wizard/Cargo.lock
+++ b/examples/the-hat-chooses-the-wizard/Cargo.lock
@@ -409,9 +409,9 @@ checksum = "a2eb9349b6444b326872e140eb1cf5e7c522154d69e7a0ffb0fb81c06b37543f"
 
 [[package]]
 name = "syn"
-version = "1.0.95"
+version = "1.0.96"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fbaf6116ab8924f39d52792136fb74fd60a80194cf1b1c6ffa6453eef1c3f942"
+checksum = "0748dd251e24453cb8717f0354206b91557e4ec8703673a4b30208f2abaf1ebf"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -438,9 +438,9 @@ dependencies = [
 
 [[package]]
 name = "ttf-parser"
-version = "0.15.0"
+version = "0.15.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c74c96594835e10fa545e2a51e8709f30b173a092bfd6036ef2cec53376244f3"
+checksum = "42d4b50cba812f0f04f0707bb6a0eaa5fae4ae05d90fc2a377998d2f21e77a1c"
 
 [[package]]
 name = "unicode-ident"