diff --git a/package.json b/package.json
index 729c9074..fbf46ddb 100644
--- a/package.json
+++ b/package.json
@@ -15,7 +15,7 @@
 		"lint:format": "prettier --write '**/*.{js,json,md,yml}'"
 	},
 	"dependencies": {
-		"@azure/functions": "3.5.1",
+		"@azure/functions": "4.5.1",
 		"bent": "7.3.12",
 		"ramda": "0.30.1",
 		"ethereum-waffle": "3.4.4"
diff --git a/yarn.lock b/yarn.lock
index 5916fd95..e65dc288 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -15,14 +15,14 @@
     escape-string-regexp "^5.0.0"
     execa "^5.1.1"
 
-"@azure/functions@3.5.1":
-  version "3.5.1"
-  resolved "https://registry.yarnpkg.com/@azure/functions/-/functions-3.5.1.tgz#98ac5c18f84835fd5821de404c52abbd458871f6"
-  integrity sha512-6UltvJiuVpvHSwLcK/Zc6NfUwlkDLOFFx97BHCJzlWNsfiWwzwmTsxJXg4kE/LemKTHxPpfoPE+kOJ8hAdiKFQ==
+"@azure/functions@4.5.1":
+  version "4.5.1"
+  resolved "https://registry.yarnpkg.com/@azure/functions/-/functions-4.5.1.tgz#70d1a99d335af87579a55d3c149ef1ae77da0a66"
+  integrity sha512-ikiw1IrM2W9NlQM3XazcX+4Sq3XAjZi4eeG22B5InKC2x5i7MatGF2S/Gn1ACZ+fEInwu+Ru9J8DlnBv1/hIvg==
   dependencies:
-    iconv-lite "^0.6.3"
+    cookie "^0.6.0"
     long "^4.0.0"
-    uuid "^8.3.0"
+    undici "^5.13.0"
 
 "@ensdomains/ens@^0.4.4":
   version "0.4.5"
@@ -1264,6 +1264,11 @@
     "@ethersproject/properties" "^5.6.0"
     "@ethersproject/strings" "^5.6.0"
 
+"@fastify/busboy@^2.0.0":
+  version "2.1.1"
+  resolved "https://registry.yarnpkg.com/@fastify/busboy/-/busboy-2.1.1.tgz#b9da6a878a371829a0502c9b6c1c143ef6663f4d"
+  integrity sha512-vBZP4NlzfOlerQTnba4aqZoMhE/a9HY7HRqoOPaETQcSQuWEIyZMHGfVu6w9wGtGK5fED5qRs2DteVCjOH60sA==
+
 "@humanwhocodes/config-array@^0.11.14":
   version "0.11.14"
   resolved "https://registry.yarnpkg.com/@humanwhocodes/config-array/-/config-array-0.11.14.tgz#d78e481a039f7566ecc9660b4ea7fe6b1fec442b"
@@ -3251,6 +3256,11 @@ cookie@0.4.0:
   resolved "https://registry.yarnpkg.com/cookie/-/cookie-0.4.0.tgz#beb437e7022b3b6d49019d088665303ebe9c14ba"
   integrity sha512-+Hp8fLp57wnUSt0tY0tHEXh4voZRDnoIrZPqlo3DPiI4y9lwg/jqx+1Om94/W6ZaPDOUbnjOt/99w66zk+l1Xg==
 
+cookie@^0.6.0:
+  version "0.6.0"
+  resolved "https://registry.yarnpkg.com/cookie/-/cookie-0.6.0.tgz#2798b04b071b0ecbff0dbb62a505a8efa4e19051"
+  integrity sha512-U71cyTamuh1CRNCfpGY6to28lxvNwPG4Guz/EVjgf3Jmzv0vlDp1atT9eS5dDjMYHucpHbWns6Lwf3BKz6svdw==
+
 cookiejar@^2.1.1:
   version "2.1.2"
   resolved "https://registry.yarnpkg.com/cookiejar/-/cookiejar-2.1.2.tgz#dd8a235530752f988f9a0844f3fc589e3111125c"
@@ -5370,13 +5380,6 @@ iconv-lite@^0.6.2:
   dependencies:
     safer-buffer ">= 2.1.2 < 3.0.0"
 
-iconv-lite@^0.6.3:
-  version "0.6.3"
-  resolved "https://registry.yarnpkg.com/iconv-lite/-/iconv-lite-0.6.3.tgz#a52f80bf38da1952eb5c681790719871a1a72501"
-  integrity sha512-4fCk79wshMdzMp2rH06qWrJE4iolqLhCUH+OiuIgU++RB0+94NlDL81atO7GX55uUKueo0txHNtvEyI6D7WdMw==
-  dependencies:
-    safer-buffer ">= 2.1.2 < 3.0.0"
-
 idna-uts46-hx@^2.3.1:
   version "2.3.1"
   resolved "https://registry.yarnpkg.com/idna-uts46-hx/-/idna-uts46-hx-2.3.1.tgz#a1dc5c4df37eee522bf66d969cc980e00e8711f9"
@@ -8671,6 +8674,13 @@ undici-types@~5.26.4:
   resolved "https://registry.yarnpkg.com/undici-types/-/undici-types-5.26.5.tgz#bcd539893d00b56e964fd2657a4866b221a65617"
   integrity sha512-JlCMO+ehdEIKqlFxk6IfVoAUVmgz7cU7zD/h9XZ0qzeosSHmUJVOzSQvvYSYWXkFXC+IfLKSIffhv0sVZup6pA==
 
+undici@^5.13.0:
+  version "5.28.4"
+  resolved "https://registry.yarnpkg.com/undici/-/undici-5.28.4.tgz#6b280408edb6a1a604a9b20340f45b422e373068"
+  integrity sha512-72RFADWFqKmUb2hmmvNODKL3p9hcB6Gt2DOQMis1SEBaV6a4MH8soBvzg+95CYhCKPFedut2JY9bMfrDl9D23g==
+  dependencies:
+    "@fastify/busboy" "^2.0.0"
+
 union-value@^1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/union-value/-/union-value-1.0.1.tgz#0b6fe7b835aecda61c6ea4d4f02c14221e109847"
@@ -8795,11 +8805,6 @@ uuid@^3.3.2:
   resolved "https://registry.yarnpkg.com/uuid/-/uuid-3.4.0.tgz#b23e4358afa8a202fe7a100af1f5f883f02007ee"
   integrity sha512-HjSDRw6gZE5JMggctHBcjVak08+KEVhSIiDzFnT9S9aegmp85S/bReBVTb4QTFaRNptJ9kuYaNhnbNEOkbKb/A==
 
-uuid@^8.3.0:
-  version "8.3.2"
-  resolved "https://registry.yarnpkg.com/uuid/-/uuid-8.3.2.tgz#80d5b5ced271bb9af6c445f21a1a04c606cefbe2"
-  integrity sha512-+NYs2QeMWy+GWFOEm9xnn6HCDp0l7QBD7ml8zLUmJ+93Q5NF0NocErnwkTkXVFNiX3/fpC6afS8Dhb/gz7R7eg==
-
 validate-npm-package-license@^3.0.1:
   version "3.0.4"
   resolved "https://registry.yarnpkg.com/validate-npm-package-license/-/validate-npm-package-license-3.0.4.tgz#fc91f6b9c7ba15c857f4cb2c5defeec39d4f410a"