diff --git a/Cargo.lock b/Cargo.lock
index b124bf425..768550b06 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1403,10 +1403,10 @@ dependencies = [
 
 [[package]]
 name = "proc-macro-error"
-version = "0.4.4"
+version = "0.4.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "proc-macro-error-attr 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "proc-macro-error-attr 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "proc-macro2 1.0.7 (registry+https://github.com/rust-lang/crates.io-index)",
  "quote 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustversion 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1415,14 +1415,14 @@ dependencies = [
 
 [[package]]
 name = "proc-macro-error-attr"
-version = "0.4.3"
+version = "0.4.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "proc-macro2 1.0.7 (registry+https://github.com/rust-lang/crates.io-index)",
  "quote 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustversion 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "syn 1.0.14 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn-mid 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn-mid 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1629,7 +1629,7 @@ dependencies = [
  "lyon 0.15.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "ruffle_core 0.1.0",
  "sample 0.10.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "structopt 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "structopt 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)",
  "url 2.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "webbrowser 0.5.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "winit 0.20.0-alpha6 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1654,7 +1654,7 @@ dependencies = [
  "path-slash 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "ruffle_core 0.1.0",
  "serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
- "structopt 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "structopt 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)",
  "walkdir 2.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -1890,21 +1890,21 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "structopt"
-version = "0.3.8"
+version = "0.3.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "clap 2.33.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "structopt-derive 0.4.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "structopt-derive 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "structopt-derive"
-version = "0.4.1"
+version = "0.4.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "heck 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "proc-macro-error 0.4.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "proc-macro-error 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "proc-macro2 1.0.7 (registry+https://github.com/rust-lang/crates.io-index)",
  "quote 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "syn 1.0.14 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1951,7 +1951,7 @@ dependencies = [
 
 [[package]]
 name = "syn-mid"
-version = "0.4.0"
+version = "0.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "proc-macro2 1.0.7 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2585,8 +2585,8 @@ dependencies = [
 "checksum ppv-lite86 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)" = "74490b50b9fbe561ac330df47c08f3f33073d2d00c150f719147d7c54522fa1b"
 "checksum pretty_assertions 0.6.1 (registry+https://github.com/rust-lang/crates.io-index)" = "3f81e1644e1b54f5a68959a29aa86cde704219254669da328ecfdf6a1f09d427"
 "checksum proc-macro-crate 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)" = "e10d4b51f154c8a7fb96fd6dad097cb74b863943ec010ac94b9fd1be8861fe1e"
-"checksum proc-macro-error 0.4.4 (registry+https://github.com/rust-lang/crates.io-index)" = "53c98547ceaea14eeb26fcadf51dc70d01a2479a7839170eae133721105e4428"
-"checksum proc-macro-error-attr 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)" = "c2bf5d493cf5d3e296beccfd61794e445e830dfc8070a9c248ad3ee071392c6c"
+"checksum proc-macro-error 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)" = "875077759af22fa20b610ad4471d8155b321c89c3f2785526c9839b099be4e0a"
+"checksum proc-macro-error-attr 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)" = "c5717d9fa2664351a01ed73ba5ef6df09c01a521cb42cb65a061432a826f3c7a"
 "checksum proc-macro2 0.4.30 (registry+https://github.com/rust-lang/crates.io-index)" = "cf3d2011ab5c909338f7887f4fc896d35932e29146c12c8d01da6b22a80ba759"
 "checksum proc-macro2 1.0.7 (registry+https://github.com/rust-lang/crates.io-index)" = "0319972dcae462681daf4da1adeeaa066e3ebd29c69be96c6abb1259d2ee2bcc"
 "checksum puremp3 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "f2b7efbb39e373af70c139e0611375fa6cad751fb93d528a610b55302710d883"
@@ -2636,12 +2636,12 @@ dependencies = [
 "checksum stdweb 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)" = "ef5430c8e36b713e13b48a9f709cc21e046723fe44ce34587b73a830203b533e"
 "checksum strsim 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)" = "8ea5119cdb4c55b55d432abb513a0429384878c15dde60cc77b1c99de1a95a6a"
 "checksum strsim 0.9.2 (registry+https://github.com/rust-lang/crates.io-index)" = "032c03039aae92b350aad2e3779c352e104d919cb192ba2fabbd7b831ce4f0f6"
-"checksum structopt 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)" = "df136b42d76b1fbea72e2ab3057343977b04b4a2e00836c3c7c0673829572713"
-"checksum structopt-derive 0.4.1 (registry+https://github.com/rust-lang/crates.io-index)" = "fd50a87d2f7b8958055f3e73a963d78feaccca3836767a9069844e34b5b03c0a"
+"checksum structopt 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)" = "a1bcbed7d48956fcbb5d80c6b95aedb553513de0a1b451ea92679d999c010e98"
+"checksum structopt-derive 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)" = "095064aa1f5b94d14e635d0a5684cf140c43ae40a0fd990708d38f5d669e5f64"
 "checksum svg 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)" = "1f57a11872ea3f38eb99622ef7877fe207b3eeefbe877a49f08f9995d00f34a5"
 "checksum syn 0.15.44 (registry+https://github.com/rust-lang/crates.io-index)" = "9ca4b3b69a77cbe1ffc9e198781b7acb0c7365a883670e8f1c1bc66fba79a5c5"
 "checksum syn 1.0.14 (registry+https://github.com/rust-lang/crates.io-index)" = "af6f3550d8dff9ef7dc34d384ac6f107e5d31c8f57d9f28e0081503f547ac8f5"
-"checksum syn-mid 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "9fd3937748a7eccff61ba5b90af1a20dbf610858923a9192ea0ecb0cb77db1d0"
+"checksum syn-mid 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)" = "7be3539f6c128a931cf19dcee741c1af532c7fd387baa739c03dd2e96479338a"
 "checksum synstructure 0.12.3 (registry+https://github.com/rust-lang/crates.io-index)" = "67656ea1dc1b41b1451851562ea232ec2e5a80242139f7e679ceccfb5d61f545"
 "checksum take_mut 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "f764005d11ee5f36500a149ace24e00e3da98b0158b3e2d53a7495660d3f4d60"
 "checksum takeable-option 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)" = "36ae8932fcfea38b7d3883ae2ab357b0d57a02caaa18ebb4f5ece08beaec4aa0"
diff --git a/desktop/Cargo.toml b/desktop/Cargo.toml
index 3fc87ad5b..be9e4568e 100644
--- a/desktop/Cargo.toml
+++ b/desktop/Cargo.toml
@@ -17,7 +17,7 @@ jpeg-decoder = "0.1.18"
 log = "0.4"
 lyon = "0.15.5"
 sample = "0.10.0"
-structopt = "0.3.8"
+structopt = "0.3.9"
 winit = "0.20.0-alpha6"
 webbrowser = "0.5.2"
 url = "2.1.1"
diff --git a/scanner/Cargo.toml b/scanner/Cargo.toml
index e43d9c4cc..c6b0655c3 100644
--- a/scanner/Cargo.toml
+++ b/scanner/Cargo.toml
@@ -8,7 +8,7 @@ edition = "2018"
 ruffle_core = { path = "../core" }
 env_logger = "0.7.1"
 log = "0.4"
-structopt = "0.3.8"
+structopt = "0.3.9"
 walkdir = "2.3.1"
 serde = { version = "1.0", features = ["derive"] }
 csv = "1.1"