diff --git a/Cargo.lock b/Cargo.lock
index fa13966ea..28f4bf38a 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1029,7 +1029,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "mach"
-version = "0.2.3"
+version = "0.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1080,11 +1080,11 @@ dependencies = [
 
 [[package]]
 name = "minimp3"
-version = "0.3.3"
+version = "0.3.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "minimp3-sys 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "slice-deque 0.2.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "slice-deque 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1567,7 +1567,7 @@ dependencies = [
  "jpeg-decoder 0.1.18 (registry+https://github.com/rust-lang/crates.io-index)",
  "libflate 0.1.27 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
- "minimp3 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "minimp3 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "num_enum 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "pretty_assertions 0.6.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "puremp3 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1791,11 +1791,11 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "slice-deque"
-version = "0.2.4"
+version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
- "mach 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "mach 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -2515,14 +2515,14 @@ dependencies = [
 "checksum lyon_tessellation 0.15.5 (registry+https://github.com/rust-lang/crates.io-index)" = "b420df24517039e8e9bd307208797cbdc4c829c6de12d5aa6bf3feeacaa93f5a"
 "checksum lzma-sys 0.1.15 (registry+https://github.com/rust-lang/crates.io-index)" = "53e48818fd597d46155132bbbb9505d6d1b3d360b4ee25cfa91c406f8a90fe91"
 "checksum lzw 0.10.0 (registry+https://github.com/rust-lang/crates.io-index)" = "7d947cbb889ed21c2a84be6ffbaebf5b4e0f4340638cba0444907e38b56be084"
-"checksum mach 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)" = "86dd2487cdfea56def77b88438a2c915fb45113c5319bfe7e14306ca4cd0b0e1"
+"checksum mach 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)" = "b823e83b2affd8f40a9ee8c29dbc56404c1e34cd2710921f2801e2cf29527afa"
 "checksum malloc_buf 0.0.6 (registry+https://github.com/rust-lang/crates.io-index)" = "62bb907fe88d54d8d9ce32a3cceab4218ed2f6b7d35617cafe9adf84e43919cb"
 "checksum matches 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)" = "7ffc5c5338469d4d3ea17d269fa8ea3512ad247247c30bd2df69e68309ed0a08"
 "checksum maybe-uninit 2.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "60302e4db3a61da70c0cb7991976248362f30319e88850c487b9b95bbf059e00"
 "checksum memchr 2.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "88579771288728879b57485cc7d6b07d648c9f0141eb955f8ab7f9d45394468e"
 "checksum memmap 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)" = "6585fd95e7bb50d6cc31e20d4cf9afb4e2ba16c5846fc76793f11218da9c475b"
 "checksum memoffset 0.5.3 (registry+https://github.com/rust-lang/crates.io-index)" = "75189eb85871ea5c2e2c15abbdd541185f63b408415e5051f5cac122d8c774b9"
-"checksum minimp3 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)" = "542e9bed56860c5070a09939eee0e2df6f8f73f60304ddf56d620947e7017239"
+"checksum minimp3 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)" = "dce0cff6a0bfd3f8b6b2350819bbddd63bc65cc45e53888bdd0ff49dde16d2d5"
 "checksum minimp3-sys 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)" = "c109ae05c00ad6e3a53fab101e2f234545bdd010f0fffd399355efaf70817817"
 "checksum miniz_oxide 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)" = "6f3f74f726ae935c3f514300cc6773a0c9492abc5e972d42ba0c0ebb88757625"
 "checksum mio 0.6.21 (registry+https://github.com/rust-lang/crates.io-index)" = "302dec22bcf6bae6dfb69c647187f4b4d0fb6f535521f7bc022430ce8e12008f"
@@ -2596,7 +2596,7 @@ dependencies = [
 "checksum shlex 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "7fdf1b9db47230893d76faad238fd6097fd6d6a9245cd7a4d90dbd639536bbd2"
 "checksum sid 0.6.1 (registry+https://github.com/rust-lang/crates.io-index)" = "bd5ac56c121948b4879bba9e519852c211bcdd8f014efff766441deff0b91bdb"
 "checksum slab 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)" = "c111b5bd5695e56cffe5129854aa230b39c93a305372fdbb2668ca2394eea9f8"
-"checksum slice-deque 0.2.4 (registry+https://github.com/rust-lang/crates.io-index)" = "ffddf594f5f597f63533d897427a570dbaa9feabaaa06595b74b71b7014507d7"
+"checksum slice-deque 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)" = "31ef6ee280cdefba6d2d0b4b78a84a1c1a3f3a4cec98c2d4231c8bc225de0f25"
 "checksum smallvec 0.6.13 (registry+https://github.com/rust-lang/crates.io-index)" = "f7b0758c52e15a8b5e3691eae6cc559f08eee9406e548a4477ba4e67770a82b6"
 "checksum smallvec 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "5c2fb2ec9bcd216a5b0d0ccf31ab17b5ed1d627960edff65bbe95d3ce221cefc"
 "checksum smithay-client-toolkit 0.6.6 (registry+https://github.com/rust-lang/crates.io-index)" = "421c8dc7acf5cb205b88160f8b4cc2c5cfabe210e43b2f80f009f4c1ef910f1d"
diff --git a/core/Cargo.toml b/core/Cargo.toml
index e5102bf56..05519eade 100644
--- a/core/Cargo.toml
+++ b/core/Cargo.toml
@@ -12,7 +12,7 @@ gc-arena-derive = "0.2.0"
 generational-arena = "0.2.7"
 libflate = "0.1.26"
 log = "0.4"
-minimp3 = { version = "0.3.3", optional = true }
+minimp3 = { version = "0.3.5", optional = true }
 puremp3 = { version = "0.1", optional = true }
 ruffle_macros = { path = "macros" }
 swf = { path = "../swf" }