diff --git a/.changeset/moody-eggs-kiss.md b/.changeset/moody-eggs-kiss.md
new file mode 100644
index 00000000000..a30a39840b2
--- /dev/null
+++ b/.changeset/moody-eggs-kiss.md
@@ -0,0 +1,5 @@
+---
+"@smithy/experimental-identity-and-auth": patch
+---
+
+Move `@smithy/util-test` to `devDependencies`.
diff --git a/packages/experimental-identity-and-auth/package.json b/packages/experimental-identity-and-auth/package.json
index e77609ffa0d..bebd7e8ff95 100644
--- a/packages/experimental-identity-and-auth/package.json
+++ b/packages/experimental-identity-and-auth/package.json
@@ -30,7 +30,6 @@
     "@smithy/protocol-http": "workspace:^",
     "@smithy/signature-v4": "workspace:^",
     "@smithy/types": "workspace:^",
-    "@smithy/util-test": "workspace:^",
     "tslib": "^2.5.0"
   },
   "engines": {
@@ -53,6 +52,7 @@
     "directory": "packages/experimental-identity-and-auth"
   },
   "devDependencies": {
+    "@smithy/util-test": "workspace:^",
     "@tsconfig/recommended": "1.0.1",
     "concurrently": "7.0.0",
     "downlevel-dts": "0.10.1",