diff --git a/package.json b/package.json
index 4e17ee455..81e056b94 100644
--- a/package.json
+++ b/package.json
@@ -87,7 +87,7 @@
     "@votingworks/qrcode.react": "^1.0.1",
     "abortcontroller-polyfill": "^1.4.0",
     "base64-js": "^1.3.1",
-    "fetch-mock": "^9.5.0",
+    "fetch-mock": "^9.10.4",
     "history": "^4.10.1",
     "http-proxy-middleware": "^1.0.3",
     "lodash.camelcase": "^4.3.0",
diff --git a/yarn.lock b/yarn.lock
index 7bc8052fb..bdb4f167b 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -6229,10 +6229,10 @@ fd-slicer@~1.1.0:
   dependencies:
     pend "~1.2.0"
 
-fetch-mock@^9.5.0:
-  version "9.5.0"
-  resolved "https://registry.yarnpkg.com/fetch-mock/-/fetch-mock-9.5.0.tgz#aca0759fbfb6653f66bc28ac63adeb75645f0d17"
-  integrity sha512-x5t6+6owOr2x8WdloBpuKy7bRZ+JRjRJjjZSsEbBVNfUI8JzJfRw5TtdOOd+OyWXxqQtMjMLdRWh35ZLhRlv3g==
+fetch-mock@^9.10.4:
+  version "9.10.4"
+  resolved "https://registry.yarnpkg.com/fetch-mock/-/fetch-mock-9.10.4.tgz#e5f98c7d56d57b29caec55d928930150f39519ba"
+  integrity sha512-1ExE0cyv4+wHH/4NlSnh8tBBfVMUt6QFIRcuAGN7L4a0SAj7vOXh2z2G9XlEZS2qzgbj9ixDXFFE8gDmsCZ83g==
   dependencies:
     babel-runtime "^6.26.0"
     core-js "^3.0.0"