diff --git a/package.json b/package.json
index 1152dfd..20f9a50 100644
--- a/package.json
+++ b/package.json
@@ -9,7 +9,7 @@
   "author": "d.mccormick@wellcome.ac.uk",
   "license": "ISC",
   "dependencies": {
-    "axios": "^0.18.0",
+    "axios": "^1.6.0",
     "dotenv": "^6.0.0",
     "nodemailer": "^4.6.8"
   }
diff --git a/yarn.lock b/yarn.lock
index 7286003..2b0bdae 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2,44 +2,69 @@
 # yarn lockfile v1
 
 
-axios@^0.18.0:
-  version "0.18.0"
-  resolved "https://registry.yarnpkg.com/axios/-/axios-0.18.0.tgz#32d53e4851efdc0a11993b6cd000789d70c05102"
-  integrity sha1-MtU+SFHv3AoRmTts0AB4nXDAUQI=
+asynckit@^0.4.0:
+  version "0.4.0"
+  resolved "https://registry.yarnpkg.com/asynckit/-/asynckit-0.4.0.tgz#c79ed97f7f34cb8f2ba1bc9790bcc366474b4b79"
+  integrity sha512-Oei9OH4tRh0YqU3GxhX79dM/mwVgvbZJaSNaRk+bshkj0S5cfHcgYakreBjrHwatXKbz+IoIdYLxrKim2MjW0Q==
+
+axios@^1.6.0:
+  version "1.6.0"
+  resolved "https://registry.yarnpkg.com/axios/-/axios-1.6.0.tgz#f1e5292f26b2fd5c2e66876adc5b06cdbd7d2102"
+  integrity sha512-EZ1DYihju9pwVB+jg67ogm+Tmqc6JmhamRN6I4Zt8DfZu5lbcQGw3ozH9lFejSJgs/ibaef3A9PMXPLeefFGJg==
   dependencies:
-    follow-redirects "^1.3.0"
-    is-buffer "^1.1.5"
+    follow-redirects "^1.15.0"
+    form-data "^4.0.0"
+    proxy-from-env "^1.1.0"
 
-debug@^3.1.0:
-  version "3.1.0"
-  resolved "https://registry.yarnpkg.com/debug/-/debug-3.1.0.tgz#5bb5a0672628b64149566ba16819e61518c67261"
-  integrity sha512-OX8XqP7/1a9cqkxYw2yXss15f26NKWBpDXQd0/uK/KPqdQhxbPa994hnzjcE2VqQpDslf55723cKPUOGSmMY3g==
+combined-stream@^1.0.8:
+  version "1.0.8"
+  resolved "https://registry.yarnpkg.com/combined-stream/-/combined-stream-1.0.8.tgz#c3d45a8b34fd730631a110a8a2520682b31d5a7f"
+  integrity sha512-FQN4MRfuJeHf7cBbBMJFXhKSDq+2kAArBlmRBvcvFE5BB1HZKXtSFASDhdlz9zOYwxh8lDdnvmMOe/+5cdoEdg==
   dependencies:
-    ms "2.0.0"
+    delayed-stream "~1.0.0"
+
+delayed-stream@~1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/delayed-stream/-/delayed-stream-1.0.0.tgz#df3ae199acadfb7d440aaae0b29e2272b24ec619"
+  integrity sha512-ZySD7Nf91aLB0RxL4KGrKHBXl7Eds1DAmEdcoVawXnLD7SDhpNgtuII2aAkg7a7QS41jxPSZ17p4VdGnMHk3MQ==
 
 dotenv@^6.0.0:
   version "6.0.0"
   resolved "https://registry.yarnpkg.com/dotenv/-/dotenv-6.0.0.tgz#24e37c041741c5f4b25324958ebbc34bca965935"
   integrity sha512-FlWbnhgjtwD+uNLUGHbMykMOYQaTivdHEmYwAKFjn6GKe/CqY0fNae93ZHTd20snh9ZLr8mTzIL9m0APQ1pjQg==
 
-follow-redirects@^1.3.0:
-  version "1.5.7"
-  resolved "https://registry.yarnpkg.com/follow-redirects/-/follow-redirects-1.5.7.tgz#a39e4804dacb90202bca76a9e2ac10433ca6a69a"
-  integrity sha512-NONJVIFiX7Z8k2WxfqBjtwqMifx7X42ORLFrOZ2LTKGj71G3C0kfdyTqGqr8fx5zSX6Foo/D95dgGWbPUiwnew==
+follow-redirects@^1.15.0:
+  version "1.15.3"
+  resolved "https://registry.yarnpkg.com/follow-redirects/-/follow-redirects-1.15.3.tgz#fe2f3ef2690afce7e82ed0b44db08165b207123a"
+  integrity sha512-1VzOtuEM8pC9SFU1E+8KfTjZyMztRsgEfwQl44z8A25uy13jSzTj6dyK2Df52iV0vgHCfBwLhDWevLn95w5v6Q==
+
+form-data@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/form-data/-/form-data-4.0.0.tgz#93919daeaf361ee529584b9b31664dc12c9fa452"
+  integrity sha512-ETEklSGi5t0QMZuiXoA/Q6vcnxcLQP5vdugSpuAyi6SVGi2clPPp+xgEhuMaHC+zGgn31Kd235W35f7Hykkaww==
   dependencies:
-    debug "^3.1.0"
+    asynckit "^0.4.0"
+    combined-stream "^1.0.8"
+    mime-types "^2.1.12"
 
-is-buffer@^1.1.5:
-  version "1.1.6"
-  resolved "https://registry.yarnpkg.com/is-buffer/-/is-buffer-1.1.6.tgz#efaa2ea9daa0d7ab2ea13a97b2b8ad51fefbe8be"
-  integrity sha512-NcdALwpXkTm5Zvvbk7owOUSvVvBKDgKP5/ewfXEznmQFfs4ZRmanOeKBTjRVjka3QFoN6XJ+9F3USqfHqTaU5w==
+mime-db@1.52.0:
+  version "1.52.0"
+  resolved "https://registry.yarnpkg.com/mime-db/-/mime-db-1.52.0.tgz#bbabcdc02859f4987301c856e3387ce5ec43bf70"
+  integrity sha512-sPU4uV7dYlvtWJxwwxHD0PuihVNiE7TyAbQ5SWxDCB9mUYvOgroQOwYQQOKPJ8CIbE+1ETVlOoK1UC2nU3gYvg==
 
-ms@2.0.0:
-  version "2.0.0"
-  resolved "https://registry.yarnpkg.com/ms/-/ms-2.0.0.tgz#5608aeadfc00be6c2901df5f9861788de0d597c8"
-  integrity sha1-VgiurfwAvmwpAd9fmGF4jeDVl8g=
+mime-types@^2.1.12:
+  version "2.1.35"
+  resolved "https://registry.yarnpkg.com/mime-types/-/mime-types-2.1.35.tgz#381a871b62a734450660ae3deee44813f70d959a"
+  integrity sha512-ZDY+bPm5zTTF+YpCrAU9nK0UgICYPT0QtT1NZWFv4s++TNkcgVaT0g6+4R2uI4MjQjzysHB1zxuWL50hzaeXiw==
+  dependencies:
+    mime-db "1.52.0"
 
 nodemailer@^4.6.8:
   version "4.6.8"
   resolved "https://registry.yarnpkg.com/nodemailer/-/nodemailer-4.6.8.tgz#f82fb407828bf2e76d92acc34b823d83e774f89c"
   integrity sha512-A3s7EM/426OBIZbLHXq2KkgvmKbn2Xga4m4G+ZUA4IaZvG8PcZXrFh+2E4VaS2o+emhuUVRnzKN2YmpkXQ9qwA==
+
+proxy-from-env@^1.1.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/proxy-from-env/-/proxy-from-env-1.1.0.tgz#e102f16ca355424865755d2c9e8ea4f24d58c3e2"
+  integrity sha512-D+zkORCbA9f1tdWRK0RaCR3GPv50cMxcrz4X8k5LTSUD1Dkw47mKJEZQNunItRTkWwgtaUSo1RVFRIG9ZXiFYg==