diff --git a/appengine/building-an-app/build/package.json b/appengine/building-an-app/build/package.json
old mode 100755
new mode 100644
index 78db92a62f..ab864d8ab3
--- a/appengine/building-an-app/build/package.json
+++ b/appengine/building-an-app/build/package.json
@@ -25,7 +25,7 @@
   },
   "devDependencies": {
     "@google-cloud/nodejs-repo-tools": "1.4.17",
-    "ava": "0.22.0",
+    "ava": "0.25.0",
     "semistandard": "^12.0.1"
   },
   "cloud-repo-tools": {
diff --git a/appengine/building-an-app/update/package.json b/appengine/building-an-app/update/package.json
old mode 100755
new mode 100644
index 9dd249c561..9f435efb47
--- a/appengine/building-an-app/update/package.json
+++ b/appengine/building-an-app/update/package.json
@@ -27,7 +27,7 @@
   },
   "devDependencies": {
     "@google-cloud/nodejs-repo-tools": "1.4.17",
-    "ava": "0.22.0",
+    "ava": "0.25.0",
     "semistandard": "^12.0.1"
   }
 }
diff --git a/functions/ocr/app/package.json b/functions/ocr/app/package.json
index e3e430eb78..8fb3606254 100644
--- a/functions/ocr/app/package.json
+++ b/functions/ocr/app/package.json
@@ -25,7 +25,7 @@
   },
   "devDependencies": {
     "@google-cloud/nodejs-repo-tools": "1.4.17",
-    "ava": "0.22.0",
+    "ava": "0.25.0",
     "proxyquire": "1.8.0",
     "semistandard": "^12.0.1",
     "sinon": "3.2.1"
diff --git a/functions/sendgrid/package.json b/functions/sendgrid/package.json
index d0ebeb0585..f5fbf05dc9 100644
--- a/functions/sendgrid/package.json
+++ b/functions/sendgrid/package.json
@@ -25,7 +25,7 @@
   },
   "devDependencies": {
     "@google-cloud/nodejs-repo-tools": "^2.3.0",
-    "ava": "0.23.0",
+    "ava": "0.25.0",
     "proxyquire": "1.8.0",
     "semistandard": "^12.0.1",
     "sinon": "4.0.2"
diff --git a/functions/slack/package.json b/functions/slack/package.json
index 315d7ba04f..04a651cdef 100644
--- a/functions/slack/package.json
+++ b/functions/slack/package.json
@@ -21,7 +21,7 @@
   },
   "devDependencies": {
     "@google-cloud/nodejs-repo-tools": "2.1.0",
-    "ava": "0.23.0",
+    "ava": "0.25.0",
     "proxyquire": "1.8.0",
     "semistandard": "^12.0.1",
     "sinon": "4.0.2"
diff --git a/iot/beta-features/commands/receive/package.json b/iot/beta-features/commands/receive/package.json
index 4db145ae11..dfb4fa0c14 100644
--- a/iot/beta-features/commands/receive/package.json
+++ b/iot/beta-features/commands/receive/package.json
@@ -18,7 +18,7 @@
   },
   "devDependencies": {
     "@google-cloud/nodejs-repo-tools": "^2.3.5",
-    "ava": "0.22.0",
+    "ava": "0.25.0",
     "semistandard": "^12.0.1",
     "uuid": "3.1.0"
   }
diff --git a/iot/beta-features/commands/send/package.json b/iot/beta-features/commands/send/package.json
index 9ae1819b62..07d4b0e81e 100644
--- a/iot/beta-features/commands/send/package.json
+++ b/iot/beta-features/commands/send/package.json
@@ -25,7 +25,7 @@
   },
   "devDependencies": {
     "@google-cloud/nodejs-repo-tools": "^2.3.5",
-    "ava": "0.22.0",
+    "ava": "0.25.0",
     "semistandard": "^12.0.1",
     "uuid": "3.1.0"
   },
diff --git a/iot/http_example/package.json b/iot/http_example/package.json
index 5eeb44fd84..1791d30493 100644
--- a/iot/http_example/package.json
+++ b/iot/http_example/package.json
@@ -20,7 +20,7 @@
     "googleapis": "^32.0.0",
     "@google-cloud/pubsub": "0.13.2",
     "@google-cloud/nodejs-repo-tools": "2.2.5",
-    "ava": "0.22.0",
+    "ava": "0.25.0",
     "semistandard": "^12.0.1",
     "uuid": "3.1.0"
   }
diff --git a/iot/manager/package.json b/iot/manager/package.json
index bee5dccdd6..a91c084fa0 100644
--- a/iot/manager/package.json
+++ b/iot/manager/package.json
@@ -24,7 +24,7 @@
   },
   "devDependencies": {
     "@google-cloud/nodejs-repo-tools": "2.2.5",
-    "ava": "0.22.0",
+    "ava": "0.25.0",
     "semistandard": "^12.0.1",
     "uuid": "3.1.0"
   },
diff --git a/language/slackbot/package.json b/language/slackbot/package.json
index 3bf2a477a1..90b5290a4f 100644
--- a/language/slackbot/package.json
+++ b/language/slackbot/package.json
@@ -29,7 +29,7 @@
   },
   "devDependencies": {
     "@google-cloud/nodejs-repo-tools": "2.3.0",
-    "ava": "0.21.0",
+    "ava": "0.25.0",
     "proxyquire": "1.8.0",
     "semistandard": "^12.0.1",
     "sinon": "3.2.0"