diff --git a/ghost/magic-link/package.json b/ghost/magic-link/package.json
index db39805aea..028becc070 100644
--- a/ghost/magic-link/package.json
+++ b/ghost/magic-link/package.json
@@ -24,7 +24,7 @@
     "@types/nodemailer": "6.2.1",
     "mocha": "6.2.0",
     "should": "13.2.3",
-    "sinon": "7.4.1"
+    "sinon": "7.4.2"
   },
   "dependencies": {
     "bluebird": "^3.5.5",
diff --git a/ghost/members-api/package.json b/ghost/members-api/package.json
index eeb8e84983..bb41336cdd 100644
--- a/ghost/members-api/package.json
+++ b/ghost/members-api/package.json
@@ -20,7 +20,7 @@
     "jsdom": "15.1.1",
     "mocha": "6.2.0",
     "should": "13.2.3",
-    "sinon": "7.4.1"
+    "sinon": "7.4.2"
   },
   "dependencies": {
     "@tryghost/magic-link": "^0.1.0",
diff --git a/ghost/members-browser-auth/package.json b/ghost/members-browser-auth/package.json
index a819a422ae..955bf75437 100644
--- a/ghost/members-browser-auth/package.json
+++ b/ghost/members-browser-auth/package.json
@@ -21,7 +21,7 @@
   "devDependencies": {
     "mocha": "6.2.0",
     "should": "13.2.3",
-    "sinon": "7.4.1"
+    "sinon": "7.4.2"
   },
   "dependencies": {
     "@tryghost/members-gateway-api": "^0.1.5",
diff --git a/ghost/members-gateway-api/package.json b/ghost/members-gateway-api/package.json
index 2d6ff977a4..529d558fbf 100644
--- a/ghost/members-gateway-api/package.json
+++ b/ghost/members-gateway-api/package.json
@@ -23,7 +23,7 @@
     "eslint-plugin-ghost": "0.5.0",
     "mocha": "6.2.0",
     "should": "13.2.3",
-    "sinon": "7.4.1"
+    "sinon": "7.4.2"
   },
   "dependencies": {
     "@tryghost/members-gateway-protocol": "^0.1.3",
diff --git a/ghost/members-gateway-protocol/package.json b/ghost/members-gateway-protocol/package.json
index cfc3f48577..e1c8afcd3f 100644
--- a/ghost/members-gateway-protocol/package.json
+++ b/ghost/members-gateway-protocol/package.json
@@ -19,7 +19,7 @@
     "jsdom": "15.1.1",
     "mocha": "6.2.0",
     "should": "13.2.3",
-    "sinon": "7.4.1"
+    "sinon": "7.4.2"
   },
   "dependencies": {
     "bluebird": "^3.5.4",
diff --git a/ghost/members-ssr/package.json b/ghost/members-ssr/package.json
index 31a37b1f28..21fbce03eb 100644
--- a/ghost/members-ssr/package.json
+++ b/ghost/members-ssr/package.json
@@ -19,7 +19,7 @@
     "keypair": "1.0.1",
     "mocha": "6.2.0",
     "should": "13.2.3",
-    "sinon": "7.4.1"
+    "sinon": "7.4.2"
   },
   "dependencies": {
     "bluebird": "^3.5.3",
diff --git a/ghost/members-theme-bindings/package.json b/ghost/members-theme-bindings/package.json
index 6732eee545..c6c4c41b36 100644
--- a/ghost/members-theme-bindings/package.json
+++ b/ghost/members-theme-bindings/package.json
@@ -28,7 +28,7 @@
     "es6ify": "1.6.0",
     "mocha": "6.2.0",
     "should": "13.2.3",
-    "sinon": "7.4.1"
+    "sinon": "7.4.2"
   },
   "dependencies": {
     "@tryghost/members-browser-auth": "^0.2.1",