diff --git a/Cargo.lock b/Cargo.lock
index a583f87..3cf191e 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -144,7 +144,7 @@ dependencies = [
  "serde_derive 1.0.85 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_json 1.0.36 (registry+https://github.com/rust-lang/crates.io-index)",
  "syslog 4.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "u2f 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "u2f 0.1.4 (git+https://github.com/dani-garcia/u2f-rs)",
  "uuid 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "ws 0.7.9 (registry+https://github.com/rust-lang/crates.io-index)",
  "yubico 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -887,7 +887,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "matches 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "unicode-bidi 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
- "unicode-normalization 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "unicode-normalization 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -2389,7 +2389,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 [[package]]
 name = "u2f"
 version = "0.1.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
+source = "git+https://github.com/dani-garcia/u2f-rs#65d2d971ea37eb9d0b84c5fd4342975dabcc05c9"
 dependencies = [
  "base64 0.9.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "byteorder 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2440,8 +2440,11 @@ dependencies = [
 
 [[package]]
 name = "unicode-normalization"
-version = "0.1.7"
+version = "0.1.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "smallvec 0.6.8 (registry+https://github.com/rust-lang/crates.io-index)",
+]
 
 [[package]]
 name = "unicode-xid"
@@ -2911,13 +2914,13 @@ dependencies = [
 "checksum typeable 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "1410f6f91f21d1612654e7cc69193b0334f909dcf2c790c4826254fbb86f8887"
 "checksum typemap 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)" = "653be63c80a3296da5551e1bfd2cca35227e13cdd08c6668903ae2f4f77aa1f6"
 "checksum typenum 1.10.0 (registry+https://github.com/rust-lang/crates.io-index)" = "612d636f949607bdf9b123b4a6f6d966dedf3ff669f7f045890d3a4a73948169"
-"checksum u2f 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)" = "3c74b68bd3f67273d9d3161dbab8672a69df832a7fbcd1e2cd9b714063648ab5"
+"checksum u2f 0.1.4 (git+https://github.com/dani-garcia/u2f-rs)" = "<none>"
 "checksum ucd-trie 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "71a9c5b1fe77426cf144cc30e49e955270f5086e31a6441dfa8b32efc09b9d77"
 "checksum ucd-util 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)" = "535c204ee4d8434478593480b8f86ab45ec9aae0e83c568ca81abf0fd0e88f86"
 "checksum unicase 1.4.2 (registry+https://github.com/rust-lang/crates.io-index)" = "7f4765f83163b74f957c797ad9253caf97f103fb064d3999aea9568d09fc8a33"
 "checksum unicase 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "9d3218ea14b4edcaccfa0df0a64a3792a2c32cc706f1b336e48867f9d3147f90"
 "checksum unicode-bidi 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)" = "49f2bd0c6468a8230e1db229cff8029217cf623c767ea5d60bfbd42729ea54d5"
-"checksum unicode-normalization 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)" = "6a0180bc61fc5a987082bfa111f4cc95c4caff7f9799f3e46df09163a937aa25"
+"checksum unicode-normalization 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)" = "141339a08b982d942be2ca06ff8b076563cbe223d1befd5450716790d44e2426"
 "checksum unicode-xid 0.0.4 (registry+https://github.com/rust-lang/crates.io-index)" = "8c1f860d7d29cf02cb2f3f359fd35991af3d30bac52c57d265a3c461074cb4dc"
 "checksum unicode-xid 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "fc72304796d0818e357ead4e000d19c9c174ab23dc11093ac919054d20a6a7fc"
 "checksum unreachable 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "382810877fe448991dfc7f0dd6e3ae5d58088fd0ea5e35189655f84e6814fa56"
diff --git a/Cargo.toml b/Cargo.toml
index 2997388..7cb1c5b 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -99,6 +99,9 @@ handlebars = "1.1.0"
 # Add support for Timestamp type
 rmp = { git = 'https://github.com/dani-garcia/msgpack-rust' }
 
+# Fix broken certs
+u2f = { git = 'https://github.com/dani-garcia/u2f-rs' }
+
 # Use new native_tls version 0.2
 lettre = { git = 'https://github.com/lettre/lettre', rev = 'c988b1760ad81' }
 lettre_email = { git = 'https://github.com/lettre/lettre', rev = 'c988b1760ad81' }