diff --git a/packages/@sanity/portable-text-editor/package.json b/packages/@sanity/portable-text-editor/package.json
index d923896ad78..661780fd35f 100644
--- a/packages/@sanity/portable-text-editor/package.json
+++ b/packages/@sanity/portable-text-editor/package.json
@@ -93,7 +93,7 @@
     "express": "^4.17.1",
     "express-ws": "^5.0.2",
     "jest": "^29.7.0",
-    "jest-dev-server": "^9.0.0",
+    "jest-dev-server": "^9.0.1",
     "node-ipc": "npm:@node-ipc/compat@9.2.5",
     "jest-environment-node": "^29.7.0",
     "react": "^18.2.0",
diff --git a/packages/@sanity/portable-text-editor/src/editor/components/Synchronizer.tsx b/packages/@sanity/portable-text-editor/src/editor/components/Synchronizer.tsx
index a5a84eb08ae..cc9debefa30 100644
--- a/packages/@sanity/portable-text-editor/src/editor/components/Synchronizer.tsx
+++ b/packages/@sanity/portable-text-editor/src/editor/components/Synchronizer.tsx
@@ -28,7 +28,7 @@ const debugVerbose = debug.enabled && false
 
 // The editor will commit changes in a throttled fashion in order
 // not to overload the network and degrade performance while typing.
-const FLUSH_PATCHES_THROTTLED_MS = 500
+const FLUSH_PATCHES_THROTTLED_MS = process.env.NODE_ENV === 'test' ? 50 : 1000
 
 /**
  * @internal
diff --git a/yarn.lock b/yarn.lock
index 2ca1b570f8c..c20dc626048 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -10041,16 +10041,16 @@ jest-config@^29.7.0:
     slash "^3.0.0"
     strip-json-comments "^3.1.1"
 
-jest-dev-server@^9.0.0:
-  version "9.0.0"
-  resolved "https://registry.npmjs.org/jest-dev-server/-/jest-dev-server-9.0.0.tgz#91b8d1803b6bcce0903f7fa9bd5ee0002f53a26f"
-  integrity sha512-N43EDJLy3JBHZwtTxqHy+6lxu7Zw5PLD8Jzq2+ePV3v90hQc4UoUA/fnxoKdTCgZY3P1qPl6Zmj8m/886APxoQ==
+jest-dev-server@^9.0.1:
+  version "9.0.1"
+  resolved "https://registry.npmjs.org/jest-dev-server/-/jest-dev-server-9.0.1.tgz#75d50b946c94e278401158bcc9a29da23d21204d"
+  integrity sha512-eqpJKSvVl4M0ojHZUPNbka8yEzLNbIMiINXDsuMF3lYfIdRO2iPqy+ASR4wBQ6nUyR3OT24oKPWhpsfLhgAVyg==
   dependencies:
     chalk "^4.1.2"
     cwd "^0.10.0"
     find-process "^1.4.7"
     prompts "^2.4.2"
-    spawnd "^9.0.0"
+    spawnd "^9.0.1"
     tree-kill "^1.2.2"
     wait-on "^7.0.1"
 
@@ -14102,7 +14102,7 @@ signal-exit@^3.0.0, signal-exit@^3.0.2, signal-exit@^3.0.3, signal-exit@^3.0.7:
   resolved "https://registry.yarnpkg.com/signal-exit/-/signal-exit-3.0.7.tgz#a9a1767f8af84155114eaabd73f99273c8f59ad9"
   integrity sha512-wnD2ZE+l+SPC/uoS0vXeE9L1+0wuaMqKlfz9AMUo38JsyLSBWSFcHR1Rri62LZc12vLr1gb3jl7iwQhgwpAbGQ==
 
-signal-exit@^4.0.2:
+signal-exit@^4.1.0:
   version "4.1.0"
   resolved "https://registry.npmjs.org/signal-exit/-/signal-exit-4.1.0.tgz#952188c1cbd546070e2dd20d0f41c0ae0530cb04"
   integrity sha512-bzyZ1e88w9O1iNJbKnOlvYTrWPDl46O1bG0D3XInv+9tkPrxrN8jUUTiFlDkkmKWgn1M6CfIA13SuGqOa9Korw==
@@ -14342,12 +14342,12 @@ space-separated-tokens@^1.0.0:
   resolved "https://registry.yarnpkg.com/space-separated-tokens/-/space-separated-tokens-1.1.5.tgz#85f32c3d10d9682007e917414ddc5c26d1aa6899"
   integrity sha512-q/JSVd1Lptzhf5bkYm4ob4iWPjx0KiRe3sRFBNrVqbJkFaBm5vbbowy1mymoPNLRa52+oadOhJ+K49wsSeSjTA==
 
-spawnd@^9.0.0:
-  version "9.0.0"
-  resolved "https://registry.npmjs.org/spawnd/-/spawnd-9.0.0.tgz#f41b60cd4618ad43d237a110ce391a2b3f93dd2b"
-  integrity sha512-YJRGf0loiLsHTQZztPSI5pb9RmlKE5y6Nvxko6dNtGrkra+1BaJ7PN86GQ1/2ldLZgMhMG9ITopkDJ+7lHkBYw==
+spawnd@^9.0.1:
+  version "9.0.1"
+  resolved "https://registry.npmjs.org/spawnd/-/spawnd-9.0.1.tgz#43b39b4bf5bdf6b5e38fbb7fabb2fbd0385b23b9"
+  integrity sha512-vaMk8E9CpbjTYToBxLXowDeArGf1+yI7A6PU6Nr57b2g8BVY8nRi5vTBj3bMF8UkCrMdTMyf/Lh+lrcrW2z7pw==
   dependencies:
-    signal-exit "^4.0.2"
+    signal-exit "^4.1.0"
     tree-kill "^1.2.2"
 
 spdx-correct@^3.0.0: