diff --git a/mix.lock b/mix.lock
index 12bf8f2ad14..d5fe0b3ba14 100644
--- a/mix.lock
+++ b/mix.lock
@@ -11,7 +11,7 @@
   "ex_doc": {:hex, :ex_doc, "0.34.2", "13eedf3844ccdce25cfd837b99bea9ad92c4e511233199440488d217c92571e8", [:mix], [{:earmark_parser, "~> 1.4.39", [hex: :earmark_parser, repo: "hexpm", optional: false]}, {:makeup_c, ">= 0.1.0", [hex: :makeup_c, repo: "hexpm", optional: true]}, {:makeup_elixir, "~> 0.14 or ~> 1.0", [hex: :makeup_elixir, repo: "hexpm", optional: false]}, {:makeup_erlang, "~> 0.1 or ~> 1.0", [hex: :makeup_erlang, repo: "hexpm", optional: false]}, {:makeup_html, ">= 0.1.0", [hex: :makeup_html, repo: "hexpm", optional: true]}], "hexpm", "5ce5f16b41208a50106afed3de6a2ed34f4acfd65715b82a0b84b49d995f95c1"},
   "exsync": {:hex, :exsync, "0.4.1", "0a14fe4bfcb80a509d8a0856be3dd070fffe619b9ba90fec13c58b316c176594", [:mix], [{:file_system, "~> 0.2 or ~> 1.0", [hex: :file_system, repo: "hexpm", optional: false]}], "hexpm", "cefb22aa805ec97ffc5b75a4e1dc54bcaf781e8b32564bf74abbe5803d1b5178"},
   "ezlib": {:hex, :ezlib, "1.0.13", "3c7f62862850a241159c10b218ecf580bce54d0890601b65144dacc2633be2b0", [:rebar3], [{:p1_utils, "1.0.26", [hex: :p1_utils, repo: "hexpm", optional: false]}], "hexpm", "9ee62ab3f8ed55a0fd11a9569fcb8e458683f95575417272192b069f092abfbb"},
-  "fast_tls": {:hex, :fast_tls, "1.1.20", "d6f12d9ae4fe57e880b144b912e735af89343a8463d39b7eb4be3f6ca6163879", [:rebar3], [{:p1_utils, "1.0.26", [hex: :p1_utils, repo: "hexpm", optional: false]}], "hexpm", "d09a12472a56a34c5eecaaed33ea283f00fcdf9dc2e8282ecbaae827f13fc21b"},
+  "fast_tls": {:hex, :fast_tls, "1.1.21", "65d7d547a09eefb37a1c0d04d8601fac4f3e6e2c1ede859a7787081670f9648d", [:rebar3], [{:p1_utils, "1.0.26", [hex: :p1_utils, repo: "hexpm", optional: false]}], "hexpm", "131542913937025e48cd80aa81f00359686d5501b75621e72026a87b5229505b"},
   "fast_xml": {:hex, :fast_xml, "1.1.52", "0289daafbf1190b0e53b444d4885cccf41e4b05768d4b3acc76dd8d143668e10", [:rebar3], [{:p1_utils, "1.0.26", [hex: :p1_utils, repo: "hexpm", optional: false]}], "hexpm", "795192390e06d2b65016a6990bbfa5727f4a26d2914808b1c3c9a32eedcd1bfd"},
   "fast_yaml": {:hex, :fast_yaml, "1.0.37", "f71d472fbf787ccd161b914d1eb486116a0f4f2e835337a378fbd31b59d2e74b", [:rebar3], [{:p1_utils, "1.0.26", [hex: :p1_utils, repo: "hexpm", optional: false]}], "hexpm", "8de868721bf7e2172414f7d3148ede0f3c922b496455cd625dd5c4429515a769"},
   "file_system": {:hex, :file_system, "1.0.0", "b689cc7dcee665f774de94b5a832e578bd7963c8e637ef940cd44327db7de2cd", [:mix], [], "hexpm", "6752092d66aec5a10e662aefeed8ddb9531d79db0bc145bb8c40325ca1d8536d"},
@@ -32,8 +32,8 @@
   "pkix": {:hex, :pkix, "1.0.10", "d3bfadf7b7cfe2a3636f1b256c9cce5f646a07ce31e57ee527668502850765a0", [:rebar3], [], "hexpm", "e02164f83094cb124c41b1ab28988a615d54b9adc38575f00f19a597a3ac5d0e"},
   "sqlite3": {:hex, :sqlite3, "1.1.15", "e819defd280145c328457d7af897d2e45e8e5270e18812ee30b607c99cdd21af", [:rebar3], [], "hexpm", "3c0ba4e13322c2ad49de4e2ddd28311366adde54beae8dba9d9e3888f69d2857"},
   "stringprep": {:hex, :stringprep, "1.0.30", "46cf0ff631b3e7328f61f20b454d59428d87738f25d709798b5dcbb9b83c23f1", [:rebar3], [{:p1_utils, "1.0.26", [hex: :p1_utils, repo: "hexpm", optional: false]}], "hexpm", "f6fc9b3384a03877830f89b2f38580caf3f4a27448a4a333d6a8c3975c220b9a"},
-  "stun": {:hex, :stun, "1.2.13", "c3e855f10f6b0c3ac150bce3d6c96c04a85207a3a5c7a7207876d8b36db2b0a4", [:rebar3], [{:fast_tls, "1.1.20", [hex: :fast_tls, repo: "hexpm", optional: false]}, {:p1_utils, "1.0.26", [hex: :p1_utils, repo: "hexpm", optional: false]}], "hexpm", "9cf4191491a60573ed6197e636530af1d25c9b064845aabed0c02f780d33ea3f"},
+  "stun": {:hex, :stun, "1.2.14", "6f538ac80c842131dbd149055570d116bfabc9b5ebff4bd6af2e7888958c660c", [:rebar3], [{:fast_tls, "1.1.21", [hex: :fast_tls, repo: "hexpm", optional: false]}, {:p1_utils, "1.0.26", [hex: :p1_utils, repo: "hexpm", optional: false]}], "hexpm", "e134807b1b7a8dffd94e64eefee00e65c7b4042f3d14e16f8f43566d20371583"},
   "unicode_util_compat": {:hex, :unicode_util_compat, "0.7.0", "bc84380c9ab48177092f43ac89e4dfa2c6d62b40b8bd132b1059ecc7232f9a78", [:rebar3], [], "hexpm", "25eee6d67df61960cf6a794239566599b09e17e668d3700247bc498638152521"},
-  "xmpp": {:hex, :xmpp, "1.8.2", "7c26fae7ca83b307bab99624595dce706d427a17eed9c6305980550f8120a3a3", [:rebar3], [{:ezlib, "~> 1.0.12", [hex: :ezlib, repo: "hexpm", optional: false]}, {:fast_tls, "~> 1.1.19", [hex: :fast_tls, repo: "hexpm", optional: false]}, {:fast_xml, "~> 1.1.51", [hex: :fast_xml, repo: "hexpm", optional: false]}, {:idna, "~> 6.0", [hex: :idna, repo: "hexpm", optional: false]}, {:p1_utils, "~> 1.0.25", [hex: :p1_utils, repo: "hexpm", optional: false]}, {:stringprep, "~> 1.0.29", [hex: :stringprep, repo: "hexpm", optional: false]}], "hexpm", "53a9f85ad44103a358dc173225bc96d08076d4e78506f87d838337b2fa3b381f"},
+  "xmpp": {:git, "https://github.com/processone/xmpp.git", "ce76eda23d8c7654a815f50de6c7cfcaa6c46850", [ref: "ce76eda23d8c7654a815f50de6c7cfcaa6c46850"]},
   "yconf": {:hex, :yconf, "1.0.16", "d59521d66ff89f219411b6e9277cd6feec7cc6fce11554e67de02a8d0a470479", [:rebar3], [{:fast_yaml, "1.0.37", [hex: :fast_yaml, repo: "hexpm", optional: false]}], "hexpm", "e947813273f38711c7b2e5a8e4acc9a51c7bbe854f744a345f60300b38586c89"},
 }