diff --git a/rebar.config b/rebar.config
index f3f07aa..adfa230 100644
--- a/rebar.config
+++ b/rebar.config
@@ -5,8 +5,8 @@
 {erl_opts, [debug_info]}.
 
 {deps, [ {eblake2, "1.0.0"}
-       , {gmserialization, {git, "4b5cfcb67a3cf47649149f07e57fc25f09e3f36e",
-                            {ref, "4b5cfcb67a3cf47649149f07e57fc25f09e3f36e"}}}
+       , {gmserialization, {git, "https://git.qpq.swiss/QPQ-AG/gmserialization.git",
+                            {ref, "2db9ea613450116a330bf1e9447b77625ff8e2b3"}}}
        , {getopt, "1.0.1"}
        ]}.
 
@@ -40,7 +40,7 @@
 {profiles, [{binary, [
                       {deps, [ {eblake2, "1.0.0"}
                              , {gmserialization, {git, "https://git.qpq.swiss/QPQ-AG/gmserialization.git",
-                                                  {ref, "4b5cfcb67a3cf47649149f07e57fc25f09e3f36e"}}}
+                                                  {ref, "2db9ea613450116a330bf1e9447b77625ff8e2b3"}}}
                              , {getopt, "1.0.1"}
                              ]},
 
diff --git a/rebar.lock b/rebar.lock
index d6d1c2d..11c447d 100644
--- a/rebar.lock
+++ b/rebar.lock
@@ -1,7 +1,7 @@
 {"1.2.0",
 [{<<"gmserialization">>,
   {git,"https://git.qpq.swiss/QPQ-AG/gmserialization.git",
-       {ref,"4b5cfcb67a3cf47649149f07e57fc25f09e3f36e"}},
+       {ref,"2db9ea613450116a330bf1e9447b77625ff8e2b3"}},
   0},
  {<<"base58">>,
   {git,"https://git.qpq.swiss/QPQ-AG/erl-base58.git",