diff --git a/mistral/config.py b/mistral/config.py
index 3045cfb7..2884575c 100644
--- a/mistral/config.py
+++ b/mistral/config.py
@@ -80,6 +80,14 @@ api_opts = [
     )
 ]
 
+js_impl_opt = cfg.StrOpt(
+    'js_implementation',
+    default='pyv8',
+    choices=['pyv8', 'v8eval'],
+    help='The JavaScript implementation to be used by the std.javascript '
+         'action to evaluate scripts.'
+)
+
 rpc_impl_opt = cfg.StrOpt(
     'rpc_implementation',
     default='oslo',
@@ -275,6 +283,7 @@ CONF.register_opts(event_engine_opts, group=EVENT_ENGINE_GROUP)
 CONF.register_opts(pecan_opts, group=PECAN_GROUP)
 CONF.register_opts(coordination_opts, group=COORDINATION_GROUP)
 CONF.register_opts(profiler_opts, group=PROFILER_GROUP)
+CONF.register_opt(js_impl_opt)
 CONF.register_opt(rpc_impl_opt)
 CONF.register_opt(rpc_response_timeout_opt)
 CONF.register_opts(keycloak_oidc_opts, group=KEYCLOAK_OIDC_GROUP)
@@ -288,8 +297,8 @@ CLI_OPTS = [
 
 default_group_opts = itertools.chain(
     CLI_OPTS,
-    [wf_trace_log_name_opt, auth_type_opt, rpc_impl_opt, os_endpoint_type,
-     rpc_response_timeout_opt, expiration_token_duration]
+    [wf_trace_log_name_opt, auth_type_opt, js_impl_opt, rpc_impl_opt,
+     os_endpoint_type, rpc_response_timeout_opt, expiration_token_duration]
 )
 
 CONF.register_cli_opts(CLI_OPTS)
diff --git a/mistral/utils/javascript.py b/mistral/utils/javascript.py
index 6245ff2d..a05f79b6 100644
--- a/mistral/utils/javascript.py
+++ b/mistral/utils/javascript.py
@@ -15,12 +15,14 @@
 import abc
 import json
 
+from oslo_config import cfg
 from oslo_utils import importutils
 
 from mistral import exceptions as exc
 
-
+CONF = cfg.CONF
 _PYV8 = importutils.try_import('PyV8')
+_V8EVAL = importutils.try_import('v8eval')
 
 
 class JSEvaluator(object):
@@ -31,7 +33,7 @@ class JSEvaluator(object):
         pass
 
 
-class V8Evaluator(JSEvaluator):
+class PyV8Evaluator(JSEvaluator):
     @classmethod
     def evaluate(cls, script, context):
         if not _PYV8:
@@ -46,8 +48,22 @@ class V8Evaluator(JSEvaluator):
             result = ctx.eval(script)
             return _PYV8.convert(result)
 
-# TODO(nmakhotkin) Make it configurable.
-EVALUATOR = V8Evaluator
+
+class V8EvalEvaluator(JSEvaluator):
+    @classmethod
+    def evaluate(cls, script, context):
+        if not _V8EVAL:
+            raise exc.MistralException(
+                "v8eval module is not available. Please install v8eval."
+            )
+
+        v8 = _V8EVAL.V8()
+        return v8.eval(('$ = %s; %s' % (json.dumps(context), script)).encode(
+            encoding='UTF-8'))
+
+
+EVALUATOR = (V8EvalEvaluator if CONF.js_implementation == 'v8eval'
+             else PyV8Evaluator)
 
 
 def evaluate(script, context):