diff --git a/package.json b/package.json
index 4b704c7a..83b2514b 100644
--- a/package.json
+++ b/package.json
@@ -21,7 +21,7 @@
     "twitter": "1.7.1"
   },
   "devDependencies": {
-    "@azure/functions": "1.0.3",
+    "@azure/functions": "1.2.3",
     "@types/jest": "24.0.25",
     "@types/mockdate": "2.0.0",
     "@types/twitter": "1.7.0",
diff --git a/yarn.lock b/yarn.lock
index 85fd82e8..df3cbd23 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -89,10 +89,10 @@
     "@opentelemetry/api" "^0.10.2"
     tslib "^2.0.0"
 
-"@azure/functions@1.0.3":
-  version "1.0.3"
-  resolved "https://registry.yarnpkg.com/@azure/functions/-/functions-1.0.3.tgz#1b51d58f188903f59f39bd093fe6f7b8d88deb11"
-  integrity sha512-/D+sz6LgWT+A6RRW2zhwlwhKqqDSxL6HCF1Q1lN0iXolD2FfNFZpzrOxGyGYEEXp/5Dtjp12bcRTBhMH1cBi2Q==
+"@azure/functions@1.2.3":
+  version "1.2.3"
+  resolved "https://registry.yarnpkg.com/@azure/functions/-/functions-1.2.3.tgz#65765837e7319eedffbf8a971cb2f78d4e043d54"
+  integrity sha512-dZITbYPNg6ay6ngcCOjRUh1wDhlFITS0zIkqplyH5KfKEAVPooaoaye5mUFnR+WP9WdGRjlNXyl/y2tgWKHcRg==
 
 "@azure/identity@1.0.3":
   version "1.0.3"