diff --git a/CHANGES.md b/CHANGES.md
index cf0fdba..7f957ea 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -1,5 +1,29 @@
 # Changes
 
+## v0.40.0
+
+- all:
+  - Update to protobuf-golang v1.3.1.
+- datastore:
+  - Attempt to decode GAE-encoded keys if initial decoding attempt fails.
+  - Support integer time conversion.
+- pubsub:
+  - Add PublishSettings.BundlerByteLimit. If users receive pubsub.ErrOverflow,
+  this value should be adjusted higher.
+  - Use IPv6 compatible target in testutil.
+- bigtable:
+  - Fix Latin-1 regexp filters in bttest, allowing \C.
+  - Expose PassAllFilter.
+- profiler:
+  - Add log messages for slow path in start.
+  - Fix start to allow retry until success.
+- firestore:
+  - Add admin client.
+- containeranalysis:
+  - Add apiv1 client.
+- grafeas:
+  - Add apiv1 client.
+
 ## 0.39.0
 
 - bigtable:
diff --git a/go.mod b/go.mod
index d2ef478..a499580 100644
--- a/go.mod
+++ b/go.mod
@@ -6,23 +6,23 @@
 	github.com/golang/mock v1.2.0
 	github.com/golang/protobuf v1.3.1
 	github.com/google/btree v0.0.0-20180813153112-4030bb1f1f0c
-	github.com/google/go-cmp v0.2.0
+	github.com/google/go-cmp v0.3.0
 	github.com/google/martian v2.1.0+incompatible
 	github.com/google/pprof v0.0.0-20181206194817-3ea8567a2e57
 	github.com/googleapis/gax-go/v2 v2.0.4
 	github.com/jstemmer/go-junit-report v0.0.0-20190106144839-af01ea7f8024
 	go.opencensus.io v0.21.0
 	golang.org/x/exp v0.0.0-20190121172915-509febef88a4
-	golang.org/x/lint v0.0.0-20190301231843-5614ed5bae6f
-	golang.org/x/net v0.0.0-20190311183353-d8887717615a
-	golang.org/x/oauth2 v0.0.0-20190226205417-e64efc72b421
-	golang.org/x/sync v0.0.0-20190227155943-e225da77a7e6
-	golang.org/x/text v0.3.1-0.20180807135948-17ff2d5776d2
+	golang.org/x/lint v0.0.0-20190409202823-959b441ac422
+	golang.org/x/net v0.0.0-20190503192946-f4e77d36d62c
+	golang.org/x/oauth2 v0.0.0-20190604053449-0f29369cfe45
+	golang.org/x/sync v0.0.0-20190423024810-112230192c58
+	golang.org/x/text v0.3.2
 	golang.org/x/time v0.0.0-20181108054448-85acf8d2951c
-	golang.org/x/tools v0.0.0-20190312170243-e65039ee4138
-	google.golang.org/api v0.5.0
+	golang.org/x/tools v0.0.0-20190506145303-2d16b83fe98c
+	google.golang.org/api v0.6.0
 	google.golang.org/genproto v0.0.0-20190530194941-fb225487d101
-	google.golang.org/grpc v1.19.0
-	honnef.co/go/tools v0.0.0-20190106161140-3f1c8253044a
+	google.golang.org/grpc v1.20.1
+	honnef.co/go/tools v0.0.0-20190418001031-e561f6794a2a
 	rsc.io/binaryregexp v0.2.0
 )
diff --git a/go.sum b/go.sum
index a7b9b0a..821c0f7 100644
--- a/go.sum
+++ b/go.sum
@@ -1,5 +1,6 @@
 cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
 cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
+cloud.google.com/go v0.38.0/go.mod h1:990N+gfupTy94rShfmMCWGDn0LpTmnzTp2qbd1dvSRU=
 github.com/BurntSushi/toml v0.3.1 h1:WXkYYl6Yr3qBf1K79EBnL4mak0OimBfB0XUf9Vl28OQ=
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
 github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
@@ -15,6 +16,8 @@
 github.com/google/btree v0.0.0-20180813153112-4030bb1f1f0c/go.mod h1:lNA+9X1NB3Zf8V7Ke586lFgjr2dZNuvo3lPJSGZ5JPQ=
 github.com/google/go-cmp v0.2.0 h1:+dTQ8DZQJz0Mb/HjFlkptS1FeQ4cWSnN941F8aEG4SQ=
 github.com/google/go-cmp v0.2.0/go.mod h1:oXzfMopK8JAjlY9xF4vHSVASa0yLyX7SntLO5aqRK0M=
+github.com/google/go-cmp v0.3.0 h1:crn/baboCvb5fXaQ0IJ1SGTsTVrWpDsCWC8EGETZijY=
+github.com/google/go-cmp v0.3.0/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU=
 github.com/google/martian v2.1.0+incompatible h1:/CP5g8u/VJHijgedC/Legn3BAbAaWPgecwXBIDzw5no=
 github.com/google/martian v2.1.0+incompatible/go.mod h1:9I4somxYTbIHy5NJKHRl3wXiIaQGbYVAs8BPL6v8lEs=
 github.com/google/pprof v0.0.0-20181206194817-3ea8567a2e57 h1:eqyIo2HjKhKe/mJzTG8n4VqvLXIOEG+SLdDqX7xGtkY=
@@ -23,6 +26,8 @@
 github.com/googleapis/gax-go/v2 v2.0.4/go.mod h1:0Wqv26UfaUD9n4G6kQubkQ+KchISgw+vpHVxEJEs9eg=
 github.com/hashicorp/golang-lru v0.5.0 h1:CL2msUPvZTLb5O648aiLNJw3hnBxN2+1Jq8rCOH9wdo=
 github.com/hashicorp/golang-lru v0.5.0/go.mod h1:/m3WP610KZHVQ1SGc6re/UDhFvYD7pJ4Ao+sR/qLZy8=
+github.com/hashicorp/golang-lru v0.5.1 h1:0hERBMJE1eitiLkihrMvRVBYAkpHzc/J3QdDN+dAcgU=
+github.com/hashicorp/golang-lru v0.5.1/go.mod h1:/m3WP610KZHVQ1SGc6re/UDhFvYD7pJ4Ao+sR/qLZy8=
 github.com/jstemmer/go-junit-report v0.0.0-20190106144839-af01ea7f8024 h1:rBMNdlhTLzJjJSDIjNEXX1Pz3Hmwmz91v+zycvx9PJc=
 github.com/jstemmer/go-junit-report v0.0.0-20190106144839-af01ea7f8024/go.mod h1:6v2b51hI/fHJwM22ozAgKL4VKDeJcHhJFhtBdhmNjmU=
 go.opencensus.io v0.21.0 h1:mU6zScU4U1YAFPHEHYk+3JC4SY7JxgkqS10ZOSyksNg=
@@ -34,46 +39,72 @@
 golang.org/x/lint v0.0.0-20190227174305-5b3e6a55c961/go.mod h1:wehouNa3lNwaWXcvxsM5YxQ5yQlVC4a0KAMCusXpPoU=
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+golang.org/x/lint v0.0.0-20190409202823-959b441ac422 h1:QzoH/1pFpZguR8NrRHLcO6jKqfv2zpuSqZLgdm7ZmjI=
+golang.org/x/lint v0.0.0-20190409202823-959b441ac422/go.mod h1:6SW0HCj/g11FgYtHlgUYUwCkIfeOF89ocIRzGO/8vkc=
 golang.org/x/net v0.0.0-20180724234803-3673e40ba225/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
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