diff --git a/Cargo.lock b/Cargo.lock
index 196369c1..9939b39a 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -569,6 +569,15 @@ dependencies = [
  "unicode-segmentation",
 ]
 
+[[package]]
+name = "convert_case"
+version = "0.11.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "affbf0190ed2caf063e3def54ff444b449371d55c58e513a95ab98eca50adb49"
+dependencies = [
+ "unicode-segmentation",
+]
+
 [[package]]
 name = "core-foundation-sys"
 version = "0.8.7"
@@ -1518,6 +1527,8 @@ version = "0.17.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4f467dd6dccf739c208452f8014c75c18bb8301b050ad1cfb27153803edb0f51"
 dependencies = [
+ "allocator-api2",
+ "equivalent",
  "foldhash 0.2.0",
  "serde",
  "serde_core",
@@ -1771,7 +1782,7 @@ checksum = "3640c1c38b8e4e43584d8df18be5fc6b0aa314ce6ebf51b53313d4306cca8e46"
 dependencies = [
  "hermit-abi",
  "libc",
- "windows-sys 0.59.0",
+ "windows-sys 0.61.2",
 ]
 
 [[package]]
@@ -1834,7 +1845,7 @@ dependencies = [
  "javy-test-macros",
  "quickcheck",
  "rmp-serde",
- "rquickjs",
+ "rquickjs 0.12.0",
  "rquickjs-serde",
  "serde",
  "serde-transcode",
@@ -1870,7 +1881,7 @@ version = "4.0.1-alpha.1"
 dependencies = [
  "anyhow",
  "brotli",
- "convert_case",
+ "convert_case 0.10.0",
  "deterministic-wasi-ctx",
  "insta",
  "swc_core",
@@ -2761,7 +2772,16 @@ version = "0.11.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c50dc6d6c587c339edb4769cf705867497a2baf0eca8b4645fa6ecd22f02c77a"
 dependencies = [
- "rquickjs-core",
+ "rquickjs-core 0.11.0",
+]
+
+[[package]]
+name = "rquickjs"
+version = "0.12.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c0688f8b0192998cca685adefdfad3483da295fa40a0ec406b4c14ecd729e858"
+dependencies = [
+ "rquickjs-core 0.12.0",
  "rquickjs-macro",
 ]
 
@@ -2772,24 +2792,34 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b8bf7840285c321c3ab20e752a9afb95548c75cd7f4632a0627cea3507e310c1"
 dependencies = [
  "hashbrown 0.16.1",
+ "rquickjs-sys 0.11.0",
+]
+
+[[package]]
+name = "rquickjs-core"
+version = "0.12.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2fee8c5383f0cfda3b980a80ca4520e726e09b593c59562f579daa51b6c20411"
+dependencies = [
+ "hashbrown 0.17.0",
  "relative-path",
- "rquickjs-sys",
+ "rquickjs-sys 0.12.0",
 ]
 
 [[package]]
 name = "rquickjs-macro"
-version = "0.11.0"
+version = "0.12.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7106215ff41a5677b104906a13e1a440b880f4b6362b5dc4f3978c267fad2b80"
+checksum = "04e6cf4b6e695b526cb430a6f445d3ccb9908696b99f1c1f8a1480af38bed5e6"
 dependencies = [
- "convert_case",
+ "convert_case 0.11.0",
  "fnv",
  "ident_case",
  "indexmap",
  "proc-macro-crate",
  "proc-macro2",
  "quote",
- "rquickjs-core",
+ "rquickjs-core 0.12.0",
  "syn 2.0.117",
 ]
 
@@ -2799,7 +2829,7 @@ version = "0.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e9382258c8bd1cc5c555887e5e379ab1491ff0287ca68ceb07be39ea561beb23"
 dependencies = [
- "rquickjs",
+ "rquickjs 0.11.0",
  "serde",
 ]
 
@@ -2808,6 +2838,15 @@ name = "rquickjs-sys"
 version = "0.11.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "27344601ef27460e82d6a4e1ecb9e7e99f518122095f3c51296da8e9be2b9d83"
+dependencies = [
+ "cc",
+]
+
+[[package]]
+name = "rquickjs-sys"
+version = "0.12.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "698077537c286a169de8693b216672bcef148bf2e2e112ebf50758c68e9afa09"
 dependencies = [
  "bindgen",
  "cc",
diff --git a/crates/javy/Cargo.toml b/crates/javy/Cargo.toml
index 10d430c6..64a7cf58 100644
--- a/crates/javy/Cargo.toml
+++ b/crates/javy/Cargo.toml
@@ -14,7 +14,7 @@ targets = ["wasip1", "wasip2"]
 
 [dependencies]
 anyhow = { workspace = true }
-rquickjs = { version = "0.11.0", features = [
+rquickjs = { version = "0.12.0", features = [
     "array-buffer",
     "bindgen",
     "disable-assertions",