diff --git a/Cargo.lock b/Cargo.lock
index c93a2ef78..71d1a1de8 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -277,18 +277,6 @@ version = "1.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9d28070975aaf4ef1fd0bd1f29b739c06c2cdd9972e090617fb6dca3b2cb564e"
 
-[[package]]
-name = "bitvec"
-version = "0.19.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "55f93d0ef3363c364d5976646a38f04cf67cfe1d4c8d160cdea02cab2c116b33"
-dependencies = [
- "funty",
- "radium",
- "tap",
- "wyz",
-]
-
 [[package]]
 name = "block"
 version = "0.1.6"
@@ -418,7 +406,7 @@ version = "0.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6fac387a98bb7c37292057cffc56d62ecb629900026402633ae9160df93a8766"
 dependencies = [
- "nom 7.1.3",
+ "nom",
 ]
 
 [[package]]
@@ -1438,12 +1426,12 @@ dependencies = [
 [[package]]
 name = "flash-lso"
 version = "0.5.0"
-source = "git+https://github.com/ruffle-rs/rust-flash-lso?rev=19fecd07b9888c4bdaa66771c468095783b52bed#19fecd07b9888c4bdaa66771c468095783b52bed"
+source = "git+https://github.com/ruffle-rs/rust-flash-lso?rev=8376453eddddbe701031a091c0eed94068fa5649#8376453eddddbe701031a091c0eed94068fa5649"
 dependencies = [
  "cookie-factory",
  "derive-try-from-primitive",
  "enumset",
- "nom 6.1.2",
+ "nom",
  "thiserror",
 ]
 
@@ -1558,12 +1546,6 @@ dependencies = [
  "pkg-config",
 ]
 
-[[package]]
-name = "funty"
-version = "1.1.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fed34cd105917e91daa4da6b3728c47b068749d6a62c59811f06ed2ac71d9da7"
-
 [[package]]
 name = "futures"
 version = "0.3.25"
@@ -2286,19 +2268,6 @@ version = "0.5.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "03087c2bad5e1034e8cace5926dec053fb3790248370865f5117a7d0213354c8"
 
-[[package]]
-name = "lexical-core"
-version = "0.7.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6607c62aa161d23d17a9072cc5da0be67cdfc89d3afb1e8d9c842bebc2525ffe"
-dependencies = [
- "arrayvec 0.5.2",
- "bitflags",
- "cfg-if 1.0.0",
- "ryu",
- "static_assertions",
-]
-
 [[package]]
 name = "libc"
 version = "0.2.139"
@@ -2804,19 +2773,6 @@ dependencies = [
  "memoffset 0.6.5",
 ]
 
-[[package]]
-name = "nom"
-version = "6.1.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e7413f999671bd4745a7b624bd370a569fb6bc574b23c83a3c5ed2e453f3d5e2"
-dependencies = [
- "bitvec",
- "funty",
- "lexical-core",
- "memchr",
- "version_check",
-]
-
 [[package]]
 name = "nom"
 version = "7.1.3"
@@ -3340,12 +3296,6 @@ dependencies = [
  "proc-macro2",
 ]
 
-[[package]]
-name = "radium"
-version = "0.5.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "941ba9d78d8e2f7ce474c015eea4d9c6d25b6a3327f9832ee29a4de27f91bbb8"
-
 [[package]]
 name = "rand"
 version = "0.8.5"
@@ -4364,12 +4314,6 @@ dependencies = [
  "version-compare",
 ]
 
-[[package]]
-name = "tap"
-version = "1.0.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "55937e1799185b12863d447f42597ed69d9928686b8d88a1df17376a097d8369"
-
 [[package]]
 name = "termcolor"
 version = "1.2.0"
@@ -5395,12 +5339,6 @@ dependencies = [
  "winapi",
 ]
 
-[[package]]
-name = "wyz"
-version = "0.2.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "85e60b0d1b5f99db2556934e21937020776a5d31520bf169e851ac44e6420214"
-
 [[package]]
 name = "x11-dl"
 version = "2.21.0"
@@ -5440,7 +5378,7 @@ version = "0.3.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "463705a63313cd4301184381c5e8042f0a7e9b4bb63653f216311d4ae74690b7"
 dependencies = [
- "nom 7.1.3",
+ "nom",
 ]
 
 [[package]]
diff --git a/core/Cargo.toml b/core/Cargo.toml
index 6a027cd95..8a7058f85 100644
--- a/core/Cargo.toml
+++ b/core/Cargo.toml
@@ -39,7 +39,7 @@ serde = { version = "1.0.152", features = ["derive"] }
 serde_json = { version = "1.0", features = ["preserve_order"] }
 nellymoser-rs = { git = "https://github.com/ruffle-rs/nellymoser", rev = "4a33521c29a918950df8ae9fe07e527ac65553f5", optional = true }
 regress = "0.4"
-flash-lso = { git = "https://github.com/ruffle-rs/rust-flash-lso", rev = "19fecd07b9888c4bdaa66771c468095783b52bed" }
+flash-lso = { git = "https://github.com/ruffle-rs/rust-flash-lso", rev = "8376453eddddbe701031a091c0eed94068fa5649" }
 lzma-rs = {version = "0.3.0", optional = true }
 dasp = { git = "https://github.com/RustAudio/dasp", rev = "f05a703", features = ["interpolate", "interpolate-linear", "signal"], optional = true }
 symphonia = { version = "0.5.2", default-features = false, features = ["mp3"], optional = true }