diff --git a/Pipfile b/Pipfile
index 8e3f28b9..f061f1d3 100644
--- a/Pipfile
+++ b/Pipfile
@@ -17,6 +17,3 @@ trio = "*"
 pytest = "*"
 pdbpp = "*"
 piker = {editable = true, path = "."}
-
-[requires]
-python_version = "3.6"
diff --git a/Pipfile.lock b/Pipfile.lock
index b948d859..c6dc94f0 100644
--- a/Pipfile.lock
+++ b/Pipfile.lock
@@ -1,12 +1,10 @@
 {
     "_meta": {
         "hash": {
-            "sha256": "3ecdccfdf0abbb69730204c608319fcd7b151115a0e183dae6cb2c0748beeb58"
+            "sha256": "336e710094a9a95325fc8b1c952ae1080c574fff3909d817a731b82d2af890d6"
         },
         "pipfile-spec": 6,
-        "requires": {
-            "python_version": "3.6"
-        },
+        "requires": {},
         "sources": [
             {
                 "name": "pypi",
@@ -20,14 +18,16 @@
             "hashes": [
                 "sha256:c3fc1115dfeb414ef0863da6f60f02aea7487f92f76b645738774bf93e8577de"
             ],
+            "markers": "python_version >= '3.5.2'",
             "version": "==2.0.0"
         },
         "async-generator": {
             "hashes": [
-                "sha256:2f45541002a14f80fffc6d52788f92470ff0d9bfe81c434ea8cd60babe43de9e",
-                "sha256:b7d5465c6174fe86dba498ececb175f93a6097ffb7cc91946405e1f05b848371"
+                "sha256:01c7bf666359b4967d2cda0000cc2e4af16a0ae098cbffcb8472fb9e8ad6585b",
+                "sha256:6ebb3d106c12920aaae42ccb6f787ef5eefdcdd166ea3d628fa8476abe712144"
             ],
-            "version": "==1.9"
+            "markers": "python_version >= '3.5'",
+            "version": "==1.10"
         },
         "attrs": {
             "hashes": [
@@ -50,46 +50,40 @@
             ],
             "version": "==3.1.4"
         },
-        "contextvars": {
-            "hashes": [
-                "sha256:7d73f8b1426cf0200fbe16900fcd73c9be29c54546b48a3980727e670b1acb10"
-            ],
-            "markers": "python_version < '3.7'",
-            "version": "==2.2"
-        },
         "cython": {
             "hashes": [
-                "sha256:01487236575df8f17b46982071438dce4f7eaf8acc8fb99fca3510d343cd7a28",
-                "sha256:0671d17c7a27634d6819246e535241b951141ed0e3f6f2a6d618fd32344dae3e",
-                "sha256:0e6190d6971c46729f712dd7307a9c0a8c027bfa5b4d8f2edef106b01759926c",
-                "sha256:202587c754901d0678bd6ff89c707f099987928239049a528470c06c6c922cf8",
-                "sha256:345197ba9278cf6a914cb7421dc665a0531a219b0072abf6b0cebfdf68e75725",
-                "sha256:3a296b8d6b02f0e01ab04bedea658f43eef5ad2f8e586a820226ead1a677d9b1",
-                "sha256:484572a2b22823a967be106137a93f7d634db116b3f7accb37dbd760eda2fa9f",
-                "sha256:4c67c9c803e50ceff32cc5e4769c50fc8ae8df9c4e5cc592ce8310b5a1076d23",
-                "sha256:539038087c321911745fc2e77049209b1231300d481cb4d682b2f95c724814b3",
-                "sha256:58113e0683c3688594c112103d7e9f2d0092fd2d8297a220240bea22e184dfdd",
-                "sha256:65cb25ca4284804293a2404d1be3b5a98818be21a72791649bacbcfa4e431d41",
-                "sha256:699e765da2580e34b08473fc0acef3a2d7bcb7f13eb29401cd25236bcf000080",
-                "sha256:6b54c3470810cea49a8be90814d05c5325ceb9c5bf429fd86c36fc1b32dfc157",
-                "sha256:71ac1629e4eae2ed329be8caf45efea10bfe1af3d8767e12e64b83e4ea5a3250",
-                "sha256:722c179d3df8677f3daf45b1a2764678ed4f0aaddbaa7211a8a08ebfd907c0db",
-                "sha256:76ac2b08d3d956d77b574bb43cbf1d37bd58b9d50c04ba281303e695854ebc46",
-                "sha256:7eff1157be9e26bf7494288c89979ca69d593a009e2c7420a739e2cf1e0635f5",
-                "sha256:99546c8696d27d0efa639c77b2f8af6e61dc3a5073caae4f27ffd991ca926f42",
-                "sha256:a0c263b31d335f29c11f4a9e98fbcd908d0731d4ea99bfd27c1c47caaeb4ca2e",
-                "sha256:a29c66292605bff962adc26530c030607aa699206b12dfb84f131b0454e15df4",
-                "sha256:a4d3724c5a1ddd86d7d830d8e02c40151839b833791dd4b6fe9e144380fa7d37",
-                "sha256:aed9f33b19d542eea56c38ef3862ca56147f7903648156cd57eabb0fe47c35d6",
-                "sha256:b57e733dd8871d2cc7358c2e0fe33027453afffbcd0ea6a537f54877cad5131c",
-                "sha256:d5bf4db62236e82955c40bafbaa18d54b20b5ceefa06fb57c7facc443929f4bd",
-                "sha256:d9272dd71ab78e87fa34a0a59bbd6acc9a9c0005c834a6fc8457ff9619dc6795",
-                "sha256:e9d5671bcbb90a41b0832fcb3872fcbaca3d68ff11ea09724dd6cbdf31d947fb",
-                "sha256:ee54646afb2b73b293c94cf079682d18d404ebd6c01122dc3980f111aec2d8ae",
-                "sha256:f16a87197939977824609005b73f9ebb291b9653a14e5f27afc1c5d6f981ba39"
+                "sha256:022592d419fc754509d0e0461eb2958dbaa45fb60d51c8a61778c58994edbe36",
+                "sha256:07659f4c57582104d9486c071de512fbd7e087a3a630535298442cc0e20a3f5a",
+                "sha256:13c73e2ffa93a615851e03fad97591954d143b5b62361b9adef81f46a31cd8ef",
+                "sha256:13eab5a2835a84ff62db343035603044c908d2b3b6eec09d67fdf9970acf7ac9",
+                "sha256:183b35a48f58862c4ec1e821f07bb7b1156c8c8559c85c32ae086f28947474eb",
+                "sha256:2f526b0887128bf20ab2acc905a975f62b5a04ab2f63ecbe5a30fc28285d0e0c",
+                "sha256:32de8637f5e6c5a76667bc7c8fc644bd9314dc19af36db8ce30a0b92ada0f642",
+                "sha256:4172c183ef4fb2ace6a29cdf7fc9200c5a471a7f775ff691975b774bd9ed3ad2",
+                "sha256:553956ec06ecbd731ef0c538eb28a5b46bedea7ab89b18237ff28b4b99d65eee",
+                "sha256:660eeb6870687fd3eda91e00ba4e72220545c254c8c4d967fd0c910f4fbb8cbc",
+                "sha256:693a8619ef066ece055ed065a15cf440f9d3ebd1bca60e87ea19144833756433",
+                "sha256:759c799e9ef418f163b5412e295e14c0a48fe3b4dcba9ab8aab69e9f511cfefd",
+                "sha256:827d3a91b7a7c31ce69e5974496fd9a8ba28eb498b988affb66d0d30de11d934",
+                "sha256:87e57b5d730cfab225d95e7b23abbc0c6f77598bd66639e93c73ce8afbae6f38",
+                "sha256:9400e5db8383346b0694a3e794d8bded18a27b21123516dcdf4b79d7ec28e98b",
+                "sha256:9ec27681c5b1b457aacb1cbda5db04aa28b76da2af6e1e1fd15f233eafe6a0b0",
+                "sha256:ae4784f040a3313c8bd00c8d04934b7ade63dc59692d8f00a5235be8ed72a445",
+                "sha256:b2ba8310ebd3c0e0b884d5e95bbd99d467d6af922acd1e44fe4b819839b2150e",
+                "sha256:b64575241f64f6ec005a4d4137339fb0ba5e156e826db2fdb5f458060d9979e0",
+                "sha256:c78ad0df75a9fc03ab28ca1b950c893a208c451a18f76796c3e25817d6994001",
+                "sha256:cdbb917e41220bd3812234dbe59d15391adbc2c5d91ae11a5273aab9e32ba7ec",
+                "sha256:d2223a80c623e2a8e97953ab945dfaa9385750a494438dcb55562eb1ddd9565a",
+                "sha256:e22f21cf92a9f8f007a280e3b3462c886d9068132a6c698dec10ad6125e3ca1e",
+                "sha256:ea5c16c48e561f4a6f6b8c24807494b77a79e156b8133521c400f22ca712101b",
+                "sha256:ee7a9614d51fe16e32ca5befe72e0808baff481791728449d0b17c8b0fe29eb9",
+                "sha256:ef86de9299e4ab2ebb129fb84b886bf40b9aced9807c6d6d5f28b46fb905f82c",
+                "sha256:f3e4860f5458a9875caa3de65e255720c0ed2ce71f0bcdab02497b32104f9db8",
+                "sha256:fc6c20a8ac22202a779ad4c59756647be0826993d2151a03c015e76d2368ae5f"
             ],
             "index": "pypi",
-            "version": "==0.28.4"
+            "markers": "python_version >= '2.6' and python_version != '3.1.*' and python_version != '3.0.*' and python_version != '3.2.*'",
+            "version": "==0.28.5"
         },
         "e1839a8": {
             "editable": true,
@@ -115,22 +109,6 @@
             ],
             "version": "==2.7"
         },
-        "immutables": {
-            "hashes": [
-                "sha256:1614177d08408176a7b12313d6efefad41c3ba17e56cbeb404bb74f83cfdeaac",
-                "sha256:18cd84d5ff10ffd42db163d4aad88128d86c2939335b068852f8f399594521ee",
-                "sha256:4d29f0e6a880a20f94c9efd4672212c3276fa303621a4bdf2a5e4ba7f27cba84",
-                "sha256:5180319a7aebc9319e63e7ea663830d46566b84bed91cbcdb50e247d65fbda07",
-                "sha256:57d17742fccec4c0466ab658053fab1a327df42241e7b1cab28e5b85e7066ac1",
-                "sha256:75e2e4e9441938690821adc1ab00829a174f696aef1c52ae6aba767219d1e84f",
-                "sha256:812fd1124fca2f56a3a7f376f34ac44719f131d82b6001323aef84faa8be7f00",
-                "sha256:8a3d2fc0d9db57188f28d3e6cefe45e9905292965895a7a391be6ededa626811",
-                "sha256:95da22e2d16b47dbd3464ae447b94f8d74866bce045be216dd1691f2f1838a94",
-                "sha256:9c8e0267a4d35032ccc670e5ab52aba2693ded330c4c1f2a4870b4a7c86b65af",
-                "sha256:da1c24d6ab6b38604444b4b767b3bf6074dfa3f7d15d8192a3a4935f61f00bd6"
-            ],
-            "version": "==0.5"
-        },
         "kivy": {
             "git": "git://github.com/matham/kivy.git",
             "ref": "4f62d0d8754ae2b590b44573200ea07b983f0f7b"
@@ -160,64 +138,73 @@
             "hashes": [
                 "sha256:dcaee4d5d77cde8caf7902c8621aaa192febb384c7b1291fd47cfa41ac0eaebc"
             ],
+            "markers": "python_version >= '3.5.2'",
             "version": "==0.2.3"
         },
         "numpy": {
             "hashes": [
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-            "version": "==1.14.5"
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+            "version": "==1.15.0"
+        },
+        "outcome": {
+            "hashes": [
+                "sha256:d54e5d469088af53022f64a753b288d6bab0fe42e513eb7146137d560e2e516e",
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-                "sha256:bc80c13ffddc7e269b706ed58002cc4c98cc135c36d827c99fb5ca54ced0eb7a",
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-            "version": "==0.23.3"
+            "version": "==0.23.4"
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@@ -263,15 +250,15 @@
         },
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             "git": "git://github.com/tgoodlet/tractor.git",
-            "ref": "f726bd81da3a9f9f0754ffa26c92edb3c3a68608"
+            "ref": "7f0f2e52a9c483e53bdf3216fdf8c0dde9bb69a9"
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@@ -285,14 +272,16 @@
             "hashes": [
                 "sha256:c3fc1115dfeb414ef0863da6f60f02aea7487f92f76b645738774bf93e8577de"
             ],
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-            "version": "==1.9"
+            "markers": "python_version >= '3.5'",
+            "version": "==1.10"
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@@ -322,46 +311,40 @@
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+            "version": "==0.28.5"
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         "fancycompleter": {
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@@ -383,29 +366,13 @@
             ],
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@@ -432,64 +399,73 @@
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+                "sha256:b5f8c15cb9173f6cdf0f994955e58d1265331029ae26296232379461a297e5f2",
+                "sha256:c3ac359ace241707e5a48fe2922e566ac666aacacf4f8031f2994ac429c31344",
+                "sha256:c7c660cc0209fdf29a4e50146ca9ac9d8664acaded6b6ae2f5d0ae2e91a0f0cd",
+                "sha256:d690a2ff49f6c3bc35336693c9924fe5916be3cc0503fe1ea6c7e2bf951409ee",
+                "sha256:e2317cf091c2e7f0dacdc2e72c693cc34403ca1f8e3807622d0bb653dc978616",
+                "sha256:f28e73cf18d37a413f7d5de35d024e6b98f14566a10d82100f9dc491a7d449f9",
+                "sha256:f2a778dd9bb3e4590dbe3bbac28e7c7134280c4ec97e3bf8678170ee58c67b21",
+                "sha256:f5a758252502b466b9c2b201ea397dae5a914336c987f3a76c3741a82d43c96e",
+                "sha256:fb4c33a404d9eff49a0cdc8ead0af6453f62f19e071b60d283f9dc05581e4134"
             ],
-            "version": "==1.14.5"
+            "markers": "python_version >= '2.7' and python_version != '3.1.*' and python_version != '3.3.*' and python_version != '3.0.*' and python_version != '3.2.*'",
+            "version": "==1.15.0"
+        },
+        "outcome": {
+            "hashes": [
+                "sha256:d54e5d469088af53022f64a753b288d6bab0fe42e513eb7146137d560e2e516e",
+                "sha256:de68deb145ace3b9217a9461d6bfb4f720fdf01f77bfd65936906d8301bd08d2"
+            ],
+            "version": "==0.1.0"
         },
         "pandas": {
             "hashes": [
-                "sha256:05ac350f8a35abe6a02054f8cf54e0c048f13423b2acb87d018845afd736f0b4",
-                "sha256:174543cd68eaee60620146b38faaed950071f5665e0a4fa4adfdcfc23d7f7936",
-                "sha256:1a62a237fb7223c11d09daaeaf7d15f234bb836bfaf3d4f85746cdf9b2582f99",
-                "sha256:2c1ed1de5308918a7c6833df6db75a19c416c122921824e306c64a0626b3606c",
-                "sha256:33825ad26ce411d6526f903b3d02c0edf627223af59cf4b5876aa925578eec74",
-                "sha256:4c5f76fce8a4851f65374ea1d95ca24e9439540550e41e556c0879379517a6f5",
-                "sha256:67504a96f72fb4d7f051cfe77b9a7bb0d094c4e2e5a6efb2769eb80f36e6b309",
-                "sha256:683e0cc8c7faececbbc06aa4735709a07abad106099f165730c1015da916adec",
-                "sha256:77cd1b485c6a860b950ab3a85be7b5683eaacbc51cadf096db967886607d2231",
-                "sha256:814f8785f1ab412a7e9b9a8abb81dfe8727ebdeef850ecfaa262c04b1664000f",
-                "sha256:894216edaf7dd0a92623cdad423bbec2a23fc06eb9c85483e21876d1ef8f47e9",
-                "sha256:9331e20a07360b81d8c7b4b50223da387d264151d533a5a5853325800e6631a4",
-                "sha256:9cd3614b4e31a0889388ff1bd19ae857ad52658b33f776065793c293a29cf612",
-                "sha256:9d79e958adcd037eba3debbb66222804171197c0f5cd462315d1356aa72a5a30",
-                "sha256:b90e5d5460f23607310cbd1688a7517c96ce7b284095a48340d249dfc429172e",
-                "sha256:bc80c13ffddc7e269b706ed58002cc4c98cc135c36d827c99fb5ca54ced0eb7a",
-                "sha256:cbb074efb2a5e4956b261a670bfc2126b0ccfbf5b96b6ed021bc8c8cb56cf4a8",
-                "sha256:e8c62ab16feeda84d4732c42b7b67d7a89ad89df7e99efed80ea017bdc472f26",
-                "sha256:ff5ef271805fe877fe0d1337b6b1861113c44c75b9badb595c713a72cd337371"
+                "sha256:11975fad9edbdb55f1a560d96f91830e83e29bed6ad5ebf506abda09818eaf60",
+                "sha256:12e13d127ca1b585dd6f6840d3fe3fa6e46c36a6afe2dbc5cb0b57032c902e31",
+                "sha256:1c87fcb201e1e06f66e23a61a5fea9eeebfe7204a66d99df24600e3f05168051",
+                "sha256:242e9900de758e137304ad4b5663c2eff0d798c2c3b891250bd0bd97144579da",
+                "sha256:26c903d0ae1542890cb9abadb4adcb18f356b14c2df46e4ff657ae640e3ac9e7",
+                "sha256:2e1e88f9d3e5f107b65b59cd29f141995597b035d17cc5537e58142038942e1a",
+                "sha256:31b7a48b344c14691a8e92765d4023f88902ba3e96e2e4d0364d3453cdfd50db",
+                "sha256:4fd07a932b4352f8a8973761ab4e84f965bf81cc750fb38e04f01088ab901cb8",
+                "sha256:5b24ca47acf69222e82530e89111dd9d14f9b970ab2cd3a1c2c78f0c4fbba4f4",
+                "sha256:647b3b916cc8f6aeba240c8171be3ab799c3c1b2ea179a3be0bd2712c4237553",
+                "sha256:66b060946046ca27c0e03e9bec9bba3e0b918bafff84c425ca2cc2e157ce121e",
+                "sha256:6efa9fa6e1434141df8872d0fa4226fc301b17aacf37429193f9d70b426ea28f",
+                "sha256:be4715c9d8367e51dbe6bc6d05e205b1ae234f0dc5465931014aa1c4af44c1ba",
+                "sha256:bea90da782d8e945fccfc958585210d23de374fa9294a9481ed2abcef637ebfc",
+                "sha256:d785fc08d6f4207437e900ffead930a61e634c5e4f980ba6d3dc03c9581748c7",
+                "sha256:de9559287c4fe8da56e8c3878d2374abc19d1ba2b807bfa7553e912a8e5ba87c",
+                "sha256:f4f98b190bb918ac0bc0e3dd2ab74ff3573da9f43106f6dba6385406912ec00f",
+                "sha256:f71f1a7e2d03758f6e957896ed696254e2bc83110ddbc6942018f1a232dd9dad",
+                "sha256:fb944c8f0b0ab5c1f7846c686bc4cdf8cde7224655c12edcd59d5212cd57bec0"
             ],
-            "version": "==0.23.3"
+            "version": "==0.23.4"
         },
         "pdbpp": {
             "hashes": [
@@ -498,19 +474,24 @@
             "index": "pypi",
             "version": "==0.9.2"
         },
+        "piker": {
+            "editable": true,
+            "path": "."
+        },
         "pluggy": {
             "hashes": [
-                "sha256:7f8ae7f5bdf75671a718d2daf0a64b7885f74510bcd98b1a0bb420eb9a9d0cff",
-                "sha256:d345c8fe681115900d6da8d048ba67c25df42973bda370783cd58826442dcd7c",
-                "sha256:e160a7fcf25762bb60efc7e171d4497ff1d8d2d75a3d0df7a21b76821ecbf5c5"
+                "sha256:6e3836e39f4d36ae72840833db137f7b7d35105079aee6ec4a62d9f80d594dd1",
+                "sha256:95eb8364a4708392bae89035f45341871286a333f749c3141c20573d2b3876e1"
             ],
-            "version": "==0.6.0"
+            "markers": "python_version >= '2.7' and python_version != '3.1.*' and python_version != '3.3.*' and python_version != '3.0.*' and python_version != '3.2.*'",
+            "version": "==0.7.1"
         },
         "py": {
             "hashes": [
                 "sha256:3fd59af7435864e1a243790d322d763925431213b6b8529c6ca71081ace3bbf7",
                 "sha256:e31fb2767eb657cbde86c454f02e99cb846d3cd9d61b318525140214fdc0e98e"
             ],
+            "markers": "python_version >= '2.7' and python_version != '3.1.*' and python_version != '3.3.*' and python_version != '3.0.*' and python_version != '3.2.*'",
             "version": "==1.5.4"
         },
         "pygments": {
@@ -522,11 +503,11 @@
         },
         "pytest": {
             "hashes": [
-                "sha256:0453c8676c2bee6feb0434748b068d5510273a916295fd61d306c4f22fbfd752",
-                "sha256:4b208614ae6d98195430ad6bde03641c78553acee7c83cec2e85d613c0cd383d"
+                "sha256:86a8dbf407e437351cef4dba46736e9c5a6e3c3ac71b2e942209748e76ff2086",
+                "sha256:e74466e97ac14582a8188ff4c53e6cc3810315f342f6096899332ae864c1d432"
             ],
             "index": "pypi",
-            "version": "==3.6.3"
+            "version": "==3.7.1"
         },
         "python-dateutil": {
             "hashes": [
@@ -558,11 +539,11 @@
         },
         "trio": {
             "hashes": [
-                "sha256:0496f575ed118eb382346a728971766d54b3a3e39e9825e94d4d513b0fe96145",
-                "sha256:fc5513551d22ec2be8bd05ddd56e9c3c377ac47c79a3866fa2d8710bfae4a0cb"
+                "sha256:ce0b4f59e2f41af0433247f92ce83116bf356a3c2ab5ca5942cf359a1105b4a8",
+                "sha256:f07d599d639209ffea373f0e2fe8a9ee0dbd1bb8133cd6cb7bab23146587419b"
             ],
             "index": "pypi",
-            "version": "==0.4.0"
+            "version": "==0.5.0"
         },
         "wmctrl": {
             "hashes": [
diff --git a/piker/cli.py b/piker/cli.py
index 401862ea..4be0754a 100644
--- a/piker/cli.py
+++ b/piker/cli.py
@@ -35,7 +35,6 @@ def pikerd(loglevel, host):
             'clients': {},
             'dtasks': set(),
         },
-        outlive_main=True,  # run daemon forever
         rpc_module_paths=['piker.brokers.core'],
         name='brokerd',
         loglevel=loglevel,
@@ -148,13 +147,11 @@ def watch(loglevel, broker, rate, name, dhost):
                     log.warning("Spawning local brokerd..")
                     portal = await nursery.start_actor(
                         'brokerd',
-                        main=None,  # no main task
                         statespace={
                             'broker2tickersubs': {},
                             'clients': {},
                             'dtasks': set(),
                         },
-                        outlive_main=True,  # run daemon forever
                         rpc_module_paths=['piker.brokers.core'],
                         loglevel=loglevel,
                     )
diff --git a/tests/test_tractor.py b/tests/test_tractor.py
index 3027fc9f..91d10214 100644
--- a/tests/test_tractor.py
+++ b/tests/test_tractor.py
@@ -26,7 +26,6 @@ async def rx_price_quotes_from_brokerd(us_symbols):
                         'clients': {},
                         'dtasks': set()
                     },
-                    main=None,  # don't start a main func - use rpc
                 )
 
                 # gotta expose in a broker agnostic way...