diff --git a/dev/test-studio/package.json b/dev/test-studio/package.json
index 57c29e5d4c2..1f1486af06e 100644
--- a/dev/test-studio/package.json
+++ b/dev/test-studio/package.json
@@ -16,7 +16,7 @@
     "workshop:dev": "node -r esbuild-register scripts/workshop/dev.ts"
   },
   "dependencies": {
-    "@portabletext/editor": "^1.15.3",
+    "@portabletext/editor": "^1.16.3",
     "@portabletext/react": "^3.0.0",
     "@sanity/assist": "^3.0.2",
     "@sanity/block-tools": "3.67.1",
diff --git a/packages/sanity/package.json b/packages/sanity/package.json
index 977e4aa1dcd..03365107b7c 100644
--- a/packages/sanity/package.json
+++ b/packages/sanity/package.json
@@ -153,7 +153,7 @@
     "@dnd-kit/sortable": "^7.0.1",
     "@dnd-kit/utilities": "^3.2.0",
     "@juggle/resize-observer": "^3.3.1",
-    "@portabletext/editor": "^1.15.3",
+    "@portabletext/editor": "^1.16.3",
     "@portabletext/react": "^3.0.0",
     "@rexxars/react-json-inspector": "^9.0.1",
     "@sanity/asset-utils": "^2.0.6",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 60ec86a1456..2f239126890 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -469,8 +469,8 @@ importers:
   dev/test-studio:
     dependencies:
       '@portabletext/editor':
-        specifier: ^1.15.3
-        version: 1.15.3(@sanity/block-tools@packages+@sanity+block-tools)(@sanity/schema@packages+@sanity+schema)(@sanity/types@packages+@sanity+types)(@types/react@18.3.17)(react-dom@18.3.1(react@18.3.1))(react@18.3.1)(rxjs@7.8.1)(styled-components@6.1.13(react-dom@18.3.1(react@18.3.1))(react@18.3.1))
+        specifier: ^1.16.3
+        version: 1.16.3(@sanity/block-tools@packages+@sanity+block-tools)(@sanity/schema@packages+@sanity+schema)(@sanity/types@packages+@sanity+types)(@types/react@18.3.17)(react-dom@18.3.1(react@18.3.1))(react@18.3.1)(rxjs@7.8.1)(styled-components@6.1.13(react-dom@18.3.1(react@18.3.1))(react@18.3.1))
       '@portabletext/react':
         specifier: ^3.0.0
         version: 3.2.0(react@18.3.1)
@@ -1449,8 +1449,8 @@ importers:
         specifier: ^3.3.1
         version: 3.4.0
       '@portabletext/editor':
-        specifier: ^1.15.3
-        version: 1.15.3(@sanity/block-tools@packages+@sanity+block-tools)(@sanity/schema@packages+@sanity+schema)(@sanity/types@packages+@sanity+types)(@types/react@18.3.17)(react-dom@18.3.1(react@18.3.1))(react@18.3.1)(rxjs@7.8.1)(styled-components@6.1.13(react-dom@18.3.1(react@18.3.1))(react@18.3.1))
+        specifier: ^1.16.3
+        version: 1.16.3(@sanity/block-tools@packages+@sanity+block-tools)(@sanity/schema@packages+@sanity+schema)(@sanity/types@packages+@sanity+types)(@types/react@18.3.17)(react-dom@18.3.1(react@18.3.1))(react@18.3.1)(rxjs@7.8.1)(styled-components@6.1.13(react-dom@18.3.1(react@18.3.1))(react@18.3.1))
       '@portabletext/react':
         specifier: ^3.0.0
         version: 3.2.0(react@18.3.1)
@@ -4447,13 +4447,13 @@ packages:
     resolution: {integrity: sha512-c83qWb22rNRuB0UaVCI0uRPNRr8Z0FWnEIvT47jiHAmOIUHbBOg5XvV7pM5x+rKn9HRpjxquDbXYSXr3fAKFcw==}
     engines: {node: '>=12'}
 
-  '@portabletext/editor@1.15.3':
-    resolution: {integrity: sha512-IlpEdSCR5O3W2AowbloCQ4hXOxfhmze0+75Q5qxubwkAWZOKb0/ByQdTV9ZjwoRc4DU/TtnOTsY3aHPXCPvpEA==}
+  '@portabletext/editor@1.16.3':
+    resolution: {integrity: sha512-xMxyVTBCgajrIW9JNLxflq0g/vtMdTzyD1K7w1gVmt0KGPYssBdOkERGrxw1SED66kMB2FgRAgJpVOSFdevNHA==}
     engines: {node: '>=18'}
     peerDependencies:
-      '@sanity/block-tools': ^3.66.1
-      '@sanity/schema': ^3.66.1
-      '@sanity/types': ^3.66.1
+      '@sanity/block-tools': ^3.67.1
+      '@sanity/schema': ^3.67.1
+      '@sanity/types': ^3.67.1
       react: ^16.9 || ^17 || ^18 || ^19
       rxjs: ^7.8.1
       styled-components: ^6.1.13
@@ -10285,11 +10285,6 @@ packages:
     peerDependencies:
       react: ^17.0.0 || ^18.0.0 || ^19.0.0
 
-  react-compiler-runtime@19.0.0-beta-37ed2a7-20241206:
-    resolution: {integrity: sha512-9e6rCpVylr9EnVocgYAjft7+2v01BDpajeHKRoO+oc9pKcAMTpstHtHvE/TSVbyf4FvzCGjfKcfHM9XGTXI6Tw==}
-    peerDependencies:
-      react: ^17.0.0 || ^18.0.0 || ^19.0.0
-
   react-dom@18.3.1:
     resolution: {integrity: sha512-5m4nQKp+rZRb09LNH59GM4BxTh9251/ylbKIbpe7TpGxfJ+9kv6BLkLBXIjjspbgbnIBNqlI23tRnTWT0snUIw==}
     peerDependencies:
@@ -14916,7 +14911,7 @@ snapshots:
       '@pnpm/network.ca-file': 1.0.2
       config-chain: 1.1.13
 
-  '@portabletext/editor@1.15.3(@sanity/block-tools@packages+@sanity+block-tools)(@sanity/schema@packages+@sanity+schema)(@sanity/types@packages+@sanity+types)(@types/react@18.3.17)(react-dom@18.3.1(react@18.3.1))(react@18.3.1)(rxjs@7.8.1)(styled-components@6.1.13(react-dom@18.3.1(react@18.3.1))(react@18.3.1))':
+  '@portabletext/editor@1.16.3(@sanity/block-tools@packages+@sanity+block-tools)(@sanity/schema@packages+@sanity+schema)(@sanity/types@packages+@sanity+types)(@types/react@18.3.17)(react-dom@18.3.1(react@18.3.1))(react@18.3.1)(rxjs@7.8.1)(styled-components@6.1.13(react-dom@18.3.1(react@18.3.1))(react@18.3.1))':
     dependencies:
       '@portabletext/patches': 1.1.0
       '@sanity/block-tools': link:packages/@sanity/block-tools
@@ -14928,7 +14923,7 @@ snapshots:
       lodash: 4.17.21
       lodash.startcase: 4.4.0
       react: 18.3.1
-      react-compiler-runtime: 19.0.0-beta-37ed2a7-20241206(react@18.3.1)
+      react-compiler-runtime: 19.0.0-beta-201e55d-20241215(react@18.3.1)
       rxjs: 7.8.1
       slate: 0.112.0
       slate-dom: 0.111.0(slate@0.112.0)
@@ -22293,10 +22288,6 @@ snapshots:
     dependencies:
       react: 19.0.0-rc-f994737d14-20240522
 
-  react-compiler-runtime@19.0.0-beta-37ed2a7-20241206(react@18.3.1):
-    dependencies:
-      react: 18.3.1
-
   react-dom@18.3.1(react@18.3.1):
     dependencies:
       loose-envify: 1.4.0