diff --git a/node/rel/reltool.config b/node/rel/reltool.config
index 5e60fde6c..279002f1d 100644
--- a/node/rel/reltool.config
+++ b/node/rel/reltool.config
@@ -4,7 +4,7 @@
        {lib_dirs, ["../apps", "../deps"]},
        {erts, [{mod_cond, derived}, {app_file, strip}]},
        {app_file, strip},
-       {rel, "mzbench", "0.3.3",
+       {rel, "mzbench", "0.3.6",
         [
          kernel,
          stdlib,
diff --git a/server/rel/reltool.config b/server/rel/reltool.config
index bff463048..6d586229f 100644
--- a/server/rel/reltool.config
+++ b/server/rel/reltool.config
@@ -4,7 +4,7 @@
        {lib_dirs, ["../deps"]},
        {erts, [{mod_cond, derived}, {app_file, strip}]},
        {app_file, strip},
-       {rel, "mzbench_api", "0.3.3",
+       {rel, "mzbench_api", "0.3.6",
         [
            kernel,
            stdlib,
diff --git a/workers/exec/src/exec_worker.app.src b/workers/exec/src/exec_worker.app.src
index edfc630f4..ab099cf4f 100644
--- a/workers/exec/src/exec_worker.app.src
+++ b/workers/exec/src/exec_worker.app.src
@@ -2,7 +2,7 @@
 {application, exec_worker,
  [
   {description, "Mz-bench exec-worker"},
-  {vsn, "0.3.3"},
+  {vsn, "0.3.6"},
   {applications, [
                   kernel,
                   stdlib