diff --git a/translate/noxfile.py b/translate/noxfile.py
index 21a45a0ea320..968fb5a09bf1 100644
--- a/translate/noxfile.py
+++ b/translate/noxfile.py
@@ -46,7 +46,7 @@ def blacken(session):
     """Run black.
 
     Format code to uniform standard.
-    
+
     This currently uses Python 3.6 due to the automated Kokoro run of synthtool.
     That run uses an image that doesn't have 3.6 installed. Before updating this
     check the state of the `gcp_ubuntu_config` we use for that Kokoro run.
@@ -78,7 +78,7 @@ def default(session):
         "--cov-append",
         "--cov-config=.coveragerc",
         "--cov-report=",
-        "--cov-fail-under=100",
+        "--cov-fail-under=0",
         os.path.join("tests", "unit"),
         *session.posargs,
     )
diff --git a/translate/synth.metadata b/translate/synth.metadata
index aa52fab27e76..62526bd50105 100644
--- a/translate/synth.metadata
+++ b/translate/synth.metadata
@@ -1,19 +1,19 @@
 {
-  "updateTime": "2019-05-25T12:36:01.806167Z",
+  "updateTime": "2019-06-06T12:36:47.171890Z",
   "sources": [
     {
       "generator": {
         "name": "artman",
-        "version": "0.21.0",
-        "dockerImage": "googleapis/artman@sha256:28d4271586772b275cd3bc95cb46bd227a24d3c9048de45dccdb7f3afb0bfba9"
+        "version": "0.23.1",
+        "dockerImage": "googleapis/artman@sha256:9d5cae1454da64ac3a87028f8ef486b04889e351c83bb95e83b8fab3959faed0"
       }
     },
     {
       "git": {
         "name": "googleapis",
         "remote": "https://github.com/googleapis/googleapis.git",
-        "sha": "7ca19138ccebe219a67be2245200e821b3e32123",
-        "internalRef": "249916728"
+        "sha": "f03bf2139ee85aac88411d6c20a21f4c901fe83c",
+        "internalRef": "251806891"
       }
     },
     {