diff --git a/Cargo.lock b/Cargo.lock
index b54b0df8..a9170553 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -117,9 +117,9 @@ version = "0.3.1"
 
 [[package]]
 name = "prettyplease"
-version = "0.2.19"
+version = "0.2.20"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5ac2cf0f2e4f42b49f5ffd07dae8d746508ef7526c13940e5f524012ae6c6550"
+checksum = "5f12335488a2f3b0a83b14edad48dca9879ce89b2edd10e80237e4e852dd645e"
 dependencies = [
  "proc-macro2",
  "syn",
diff --git a/fiat-constify/Cargo.toml b/fiat-constify/Cargo.toml
index 8fd03147..6c18f04d 100644
--- a/fiat-constify/Cargo.toml
+++ b/fiat-constify/Cargo.toml
@@ -15,7 +15,7 @@ readme = "README.md"
 edition = "2021"
 
 [dependencies]
-prettyplease = "0.2.19"
+prettyplease = "0.2.20"
 proc-macro2 = "1"
 quote = "1"
 syn = { version = "2", features = ["extra-traits", "full"] }