diff --git a/Cargo.lock b/Cargo.lock
index 42ba63cb5..92e60de2e 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -252,6 +252,29 @@ dependencies = [
  "serde",
 ]
 
+[[package]]
+name = "bindgen"
+version = "0.59.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2bd2a9a458e8f4304c52c43ebb0cfbd520289f8379a52e329a38afda99bf8eb8"
+dependencies = [
+ "bitflags",
+ "cexpr",
+ "clang-sys",
+ "clap",
+ "env_logger",
+ "lazy_static",
+ "lazycell",
+ "log",
+ "peeking_take_while",
+ "proc-macro2",
+ "quote",
+ "regex",
+ "rustc-hash",
+ "shlex",
+ "which",
+]
+
 [[package]]
 name = "bit-set"
 version = "0.5.2"
@@ -376,6 +399,15 @@ version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6d43a04d8753f35258c91f8ec639f792891f748a1edbd759cf1dcea3382ad83c"
 
+[[package]]
+name = "cexpr"
+version = "0.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6fac387a98bb7c37292057cffc56d62ecb629900026402633ae9160df93a8766"
+dependencies = [
+ "nom",
+]
+
 [[package]]
 name = "cfg-expr"
 version = "0.9.1"
@@ -433,15 +465,30 @@ version = "0.2.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5d83feae28854d73f33659f9018546157422ddf5b84264ce171a766d8547d77b"
 
+[[package]]
+name = "clang-sys"
+version = "1.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4cc00842eed744b858222c4c9faf7243aafc6d33f92f96935263ef4d8a41ce21"
+dependencies = [
+ "glob",
+ "libc",
+ "libloading",
+]
+
 [[package]]
 name = "clap"
 version = "2.34.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a0610544180c38b88101fecf2dd634b174a62eef6946f84dfc6a7127512b381c"
 dependencies = [
+ "ansi_term",
+ "atty",
  "bitflags",
+ "strsim 0.8.0",
  "textwrap",
  "unicode-width",
+ "vec_map",
 ]
 
 [[package]]
@@ -769,7 +816,7 @@ dependencies = [
  "ident_case",
  "proc-macro2",
  "quote",
- "strsim",
+ "strsim 0.10.0",
  "syn",
 ]
 
@@ -1174,6 +1221,19 @@ dependencies = [
  "syn",
 ]
 
+[[package]]
+name = "env_logger"
+version = "0.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0b2cf0344971ee6c64c31be0d530793fba457d322dfec2810c453d0ef228f9c3"
+dependencies = [
+ "atty",
+ "humantime",
+ "log",
+ "regex",
+ "termcolor",
+]
+
 [[package]]
 name = "epaint"
 version = "0.16.0"
@@ -1470,6 +1530,12 @@ dependencies = [
  "takeable-option",
 ]
 
+[[package]]
+name = "glob"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9b919933a397b79c37e33b77bb2aa3dc8eb6e165ad809e58ff75bc7db2e34574"
+
 [[package]]
 name = "glow"
 version = "0.11.2"
@@ -1625,6 +1691,12 @@ version = "0.4.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7f24254aa9a54b5c858eaee2f5bccdb46aaf0e486a595ed5fd8f86ba55232a70"
 
+[[package]]
+name = "humantime"
+version = "2.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9a3a5bfb195931eeb336b2a7b4d761daec841b97f947d34394601737a7bba5e4"
+
 [[package]]
 name = "ident_case"
 version = "1.0.1"
@@ -2254,6 +2326,12 @@ dependencies = [
  "winapi",
 ]
 
+[[package]]
+name = "peeking_take_while"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "19b17cddbe7ec3f8bc800887bab5e717348c95ea2ca0b1bf0837fb964dc67099"
+
 [[package]]
 name = "percent-encoding"
 version = "2.1.0"
@@ -2588,6 +2666,12 @@ version = "0.1.21"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7ef03e0a2b150c7a90d01faf6254c9c48a41e95fb2a8c2ac1c6f0d2b9aefc342"
 
+[[package]]
+name = "rustc-hash"
+version = "1.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "08d43f7aa6b08d49f382cde6a7982047c3426db949b1424bc4b7ec9ae12c6ce2"
+
 [[package]]
 name = "rustc_version"
 version = "0.4.0"
@@ -2798,6 +2882,12 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "shlex"
+version = "1.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "43b2853a4d09f215c24cc5489c992ce46052d359b5109343cbafbf26bc62f8a3"
+
 [[package]]
 name = "slab"
 version = "0.4.5"
@@ -2858,6 +2948,25 @@ dependencies = [
  "winapi",
 ]
 
+[[package]]
+name = "speech-dispatcher"
+version = "0.12.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fbab517fe176eb95d9bcc23c5ba75500fc5157d13a6978cfe135395fa149e151"
+dependencies = [
+ "lazy_static",
+ "speech-dispatcher-sys",
+]
+
+[[package]]
+name = "speech-dispatcher-sys"
+version = "0.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6c3e8acdf2b1f4bb13f1813b40b52f3edf4cc94d8a55fe713a584f672a10388d"
+dependencies = [
+ "bindgen",
+]
+
 [[package]]
 name = "spin"
 version = "0.5.2"
@@ -2870,6 +2979,12 @@ version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a2eb9349b6444b326872e140eb1cf5e7c522154d69e7a0ffb0fb81c06b37543f"
 
+[[package]]
+name = "strsim"
+version = "0.8.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8ea5119cdb4c55b55d432abb513a0429384878c15dde60cc77b1c99de1a95a6a"
+
 [[package]]
 name = "strsim"
 version = "0.10.0"
@@ -2934,6 +3049,15 @@ version = "0.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "36ae8932fcfea38b7d3883ae2ab357b0d57a02caaa18ebb4f5ece08beaec4aa0"
 
+[[package]]
+name = "termcolor"
+version = "1.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2dfed899f0eb03f32ee8c6a0aabdb8a7949659e3466561fc0adf54e26d88c5f4"
+dependencies = [
+ "winapi-util",
+]
+
 [[package]]
 name = "textwrap"
 version = "0.11.0"
@@ -3104,8 +3228,9 @@ checksum = "4ccbe8381883510b6a2d8f1e32905bddd178c11caef8083086d0c0c9ab0ac281"
 
 [[package]]
 name = "tts"
-version = "0.20.1"
-source = "git+https://github.com/emilk/tts-rs/?branch=optional-speech-dispatcher#6e8057b023eee428bcfb7a54bac3f053b59f1dd8"
+version = "0.20.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5dd3cc4cfd63db314c5b82e8b60cba72869f048c4e6d26e7ec1645bf4de2ca2d"
 dependencies = [
  "cocoa-foundation",
  "dyn-clonable",
@@ -3115,6 +3240,7 @@ dependencies = [
  "log",
  "ndk-glue 0.6.0",
  "objc",
+ "speech-dispatcher",
  "thiserror",
  "wasm-bindgen",
  "web-sys",
@@ -3195,6 +3321,12 @@ version = "0.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "830b7e5d4d90034032940e4ace0d9a9a057e7a45cd94e6c007832e39edb82f6d"
 
+[[package]]
+name = "vec_map"
+version = "0.8.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f1bddf1187be692e79c5ffeab891132dfb0f236ed36a43c7ed39f1165ee20191"
+
 [[package]]
 name = "version-compare"
 version = "0.1.0"
@@ -3419,6 +3551,17 @@ dependencies = [
  "cc",
 ]
 
+[[package]]
+name = "which"
+version = "4.2.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2a5a7e487e921cf220206864a94a89b6c6905bfc19f1057fa26a4cb360e5c1d2"
+dependencies = [
+ "either",
+ "lazy_static",
+ "libc",
+]
+
 [[package]]
 name = "widestring"
 version = "0.4.3"
diff --git a/Cargo.toml b/Cargo.toml
index 562b45768..f34578006 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -26,5 +26,4 @@ opt-level = 2 # fast and small wasm, basically same as `opt-level = 's'`
 # debug = true # include debug symbols, useful when profiling wasm
 
 [patch.crates-io]
-tts = { git = "https://github.com/emilk/tts-rs/", branch = "optional-speech-dispatcher" } # See https://github.com/ndarilek/tts-rs/pull/21
 ureq = { git = "https://github.com/emilk/ureq/", branch = "opt-in-webpki-roots" } # See https://github.com/algesten/ureq/pull/479 / https://github.com/algesten/ureq/issues/478