diff --git a/Cargo.lock b/Cargo.lock
index a04dfe43..d31789a9 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -251,9 +251,9 @@ dependencies = [
 
 [[package]]
 name = "bumpalo"
-version = "3.19.1"
+version = "3.20.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5dd9dc738b7a8311c7ade152424974d8115f2cdad61e8dab8dac9f2362298510"
+checksum = "5c6f81257d10a0f602a294ae4182251151ff97dbb504ef9afcdda4a64b24d9b4"
 dependencies = [
  "allocator-api2",
 ]
diff --git a/libs/jsgc/Cargo.toml b/libs/jsgc/Cargo.toml
index a218aa06..316ed1a3 100644
--- a/libs/jsgc/Cargo.toml
+++ b/libs/jsgc/Cargo.toml
@@ -13,7 +13,7 @@ version.workspace = true
 base = { path = "../base" }
 logging = { path = "../logging" }
 # TODO(issue#237): replace w/ own allocator
-bumpalo = "3.19.1"
+bumpalo = "3.20.1"
 
 [lints]
 workspace = true