diff --git a/Cargo.lock b/Cargo.lock
index 11216a463..690d54f18 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -502,7 +502,7 @@ dependencies = [
  "lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "lettre 0.9.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.62 (registry+https://github.com/rust-lang/crates.io-index)",
- "mmime 0.1.2-alpha.0 (git+https://github.com/dignifiedquire/mmime?rev=bccd2c2)",
+ "mmime 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "native-tls 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "num-derive 0.2.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "num-traits 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -524,8 +524,8 @@ dependencies = [
  "serde_json 1.0.40 (registry+https://github.com/rust-lang/crates.io-index)",
  "sha2 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "smallvec 0.6.10 (registry+https://github.com/rust-lang/crates.io-index)",
- "strum 0.15.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "strum_macros 0.15.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "strum 0.16.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "strum_macros 0.16.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "tempfile 3.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "thread-local-object 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -1257,8 +1257,8 @@ dependencies = [
 
 [[package]]
 name = "mmime"
-version = "0.1.2-alpha.0"
-source = "git+https://github.com/dignifiedquire/mmime?rev=bccd2c2#bccd2c2c89e9241e05f321c963f638affdccad96"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "charset 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "chrono 0.4.9 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2347,18 +2347,18 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "strum"
-version = "0.15.0"
+version = "0.16.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "strum_macros"
-version = "0.15.0"
+version = "0.16.0"
 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-macro2 0.4.30 (registry+https://github.com/rust-lang/crates.io-index)",
- "quote 0.6.13 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 0.15.44 (registry+https://github.com/rust-lang/crates.io-index)",
+ "proc-macro2 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "quote 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -3056,7 +3056,7 @@ dependencies = [
 "checksum miniz_oxide 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)" = "7108aff85b876d06f22503dcce091e29f76733b2bfdd91eebce81f5e68203a10"
 "checksum mio 0.6.19 (registry+https://github.com/rust-lang/crates.io-index)" = "83f51996a3ed004ef184e16818edc51fadffe8e7ca68be67f9dee67d84d0ff23"
 "checksum miow 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "8c1f2f3b1cf331de6896aabf6e9d55dca90356cc9960cca7eaaf408a355ae919"
-"checksum mmime 0.1.2-alpha.0 (git+https://github.com/dignifiedquire/mmime?rev=bccd2c2)" = "<none>"
+"checksum mmime 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "befb13ecb83a4344d5c268a36463fc1b3526a78bfded316ddfaa955b5d018b91"
 "checksum native-tls 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)" = "4b2df1a4c22fd44a62147fd8f13dd0f95c9d8ca7b2610299b2a2f9cf8964274e"
 "checksum net2 0.2.33 (registry+https://github.com/rust-lang/crates.io-index)" = "42550d9fb7b6684a6d404d9fa7250c2eb2646df731d1c06afc06dcee9e1bcf88"
 "checksum nix 0.13.1 (registry+https://github.com/rust-lang/crates.io-index)" = "4dbdc256eaac2e3bd236d93ad999d3479ef775c863dbda3068c4006a92eec51b"
@@ -3168,8 +3168,8 @@ dependencies = [
 "checksum stream-cipher 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)" = "8131256a5896cabcf5eb04f4d6dacbe1aefda854b0d9896e09cb58829ec5638c"
 "checksum string 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "d24114bfcceb867ca7f71a0d3fe45d45619ec47a6fbfa98cb14e14250bfa5d6d"
 "checksum strsim 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)" = "bb4f380125926a99e52bc279241539c018323fab05ad6368b56f93d9369ff550"
-"checksum strum 0.15.0 (registry+https://github.com/rust-lang/crates.io-index)" = "e5d1c33039533f051704951680f1adfd468fd37ac46816ded0d9ee068e60f05f"
-"checksum strum_macros 0.15.0 (registry+https://github.com/rust-lang/crates.io-index)" = "47cd23f5c7dee395a00fa20135e2ec0fffcdfa151c56182966d7a3261343432e"
+"checksum strum 0.16.0 (registry+https://github.com/rust-lang/crates.io-index)" = "6138f8f88a16d90134763314e3fc76fa3ed6a7db4725d6acf9a3ef95a3188d22"
+"checksum strum_macros 0.16.0 (registry+https://github.com/rust-lang/crates.io-index)" = "0054a7df764039a6cd8592b9de84be4bec368ff081d203a7d5371cbfa8e65c81"
 "checksum subtle 2.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "01f40907d9ffc762709e4ff3eb4a6f6b41b650375a3f09ac92b641942b7fb082"
 "checksum syn 0.11.11 (registry+https://github.com/rust-lang/crates.io-index)" = "d3b891b9015c88c576343b9b3e41c2c11a51c219ef067b264bd9c8aa9b441dad"
 "checksum syn 0.14.9 (registry+https://github.com/rust-lang/crates.io-index)" = "261ae9ecaa397c42b960649561949d69311f08eeaea86a65696e6e46517cf741"
diff --git a/Cargo.toml b/Cargo.toml
index 40b5e3a11..7ff3c62bc 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -20,7 +20,7 @@ num-traits = "0.2.6"
 native-tls = "0.2.3"
 lettre = "0.9.0"
 imap = { git = "https://github.com/jonhoo/rust-imap", rev = "281d2eb8ab50dc656ceff2ae749ca5045f334e15" }
-mmime = { git = "https://github.com/dignifiedquire/mmime", rev = "bccd2c2" }
+mmime = "0.1.2"
 base64 = "0.10"
 charset = "0.1"
 percent-encoding = "2.0"
@@ -36,8 +36,8 @@ regex = "1.1.6"
 rusqlite = { version = "0.20", features = ["bundled"] }
 r2d2_sqlite = "0.12.0"
 r2d2 = "0.8.5"
-strum = "0.15.0"
-strum_macros = "0.15.0"
+strum = "0.16.0"
+strum_macros = "0.16.0"
 thread-local-object = "0.1.0"
 backtrace = "0.3.33"
 byteorder = "1.3.1"