diff --git a/rebar.config b/rebar.config
index e58ca1177..39608346d 100644
--- a/rebar.config
+++ b/rebar.config
@@ -24,7 +24,7 @@
         {fast_tls, ".*", {git, "https://github.com/processone/fast_tls", {tag, "1.0.26"}}},
         {stringprep, ".*", {git, "https://github.com/processone/stringprep", {tag, "1.0.14"}}},
         {fast_xml, ".*", {git, "https://github.com/processone/fast_xml", {tag, "1.1.34"}}},
-        {xmpp, ".*", {git, "https://github.com/processone/xmpp", {tag: "1.3.0"}}},
+        {xmpp, ".*", {git, "https://github.com/processone/xmpp", {tag, "1.3.0"}}},
         {fast_yaml, ".*", {git, "https://github.com/processone/fast_yaml", {tag, "1.0.17"}}},
         {jiffy, ".*", {git, "https://github.com/davisp/jiffy", {tag, "0.14.8"}}},
         {p1_oauth2, ".*", {git, "https://github.com/processone/p1_oauth2", {tag, "0.6.3"}}},