diff --git a/dev/test-studio/package.json b/dev/test-studio/package.json
index 7606ff5f305..033d09932cb 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": "^1.21.1",
+    "@portabletext/editor": "^1.21.5",
     "@portabletext/react": "^3.0.0",
     "@sanity/assist": "^3.0.2",
     "@sanity/block-tools": "3.69.0",
diff --git a/packages/sanity/package.json b/packages/sanity/package.json
index 637ebf75199..cc957bf7e87 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": "^1.21.1",
+    "@portabletext/editor": "^1.21.5",
     "@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 7d06df08d13..5b62fc13144 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -415,8 +415,8 @@ importers:
   dev/test-studio:
     dependencies:
       '@portabletext/editor':
-        specifier: ^1.21.1
-        version: 1.21.1(@sanity/block-tools@packages+@sanity+block-tools)(@sanity/schema@packages+@sanity+schema)(@sanity/types@packages+@sanity+types)(@types/react@19.0.6)(react-dom@19.0.0(react@19.0.0))(react@19.0.0)(rxjs@7.8.1)
+        specifier: ^1.21.5
+        version: 1.21.5(@sanity/schema@packages+@sanity+schema)(@sanity/types@packages+@sanity+types)(@types/react@19.0.6)(react-dom@19.0.0(react@19.0.0))(react@19.0.0)(rxjs@7.8.1)
       '@portabletext/react':
         specifier: ^3.0.0
         version: 3.2.0(react@19.0.0)
@@ -1389,8 +1389,8 @@ importers:
         specifier: ^3.3.1
         version: 3.4.0
       '@portabletext/editor':
-        specifier: ^1.21.1
-        version: 1.21.1(@sanity/block-tools@packages+@sanity+block-tools)(@sanity/schema@packages+@sanity+schema)(@sanity/types@packages+@sanity+types)(@types/react@19.0.6)(react-dom@18.3.1(react@18.3.1))(react@18.3.1)(rxjs@7.8.1)
+        specifier: ^1.21.5
+        version: 1.21.5(@sanity/schema@packages+@sanity+schema)(@sanity/types@packages+@sanity+types)(@types/react@19.0.6)(react-dom@18.3.1(react@18.3.1))(react@18.3.1)(rxjs@7.8.1)
       '@portabletext/react':
         specifier: ^3.0.0
         version: 3.2.0(react@18.3.1)
@@ -4326,11 +4326,16 @@ packages:
     resolution: {integrity: sha512-c83qWb22rNRuB0UaVCI0uRPNRr8Z0FWnEIvT47jiHAmOIUHbBOg5XvV7pM5x+rKn9HRpjxquDbXYSXr3fAKFcw==}
     engines: {node: '>=12'}
 
-  '@portabletext/editor@1.21.1':
-    resolution: {integrity: sha512-fDaYG0uKumP1NRo5G0D0BOhamC9xpykwInC9sZQhMb+SzpNY8eVNS/CsZfNGyOtsdCLpaeAbGsSgoqTvDmcY9Q==}
+  '@portabletext/block-tools@1.0.2':
+    resolution: {integrity: sha512-3gFB6/H2VvcmFH/2S6J9qf6wruvca972wtWLa1GX20zcGWLZ6UNoQpgSo3zE55nY9OmM+hoAR4Z17Xzr6CQOXQ==}
+    peerDependencies:
+      '@sanity/types': ^3.69.0
+      '@types/react': 18 || 19
+
+  '@portabletext/editor@1.21.5':
+    resolution: {integrity: sha512-xlwvCMxpxUbNI2sbCQd3+8Eo01DaMsJeubjyK2hXPDbpHIraBy9c/Sy/xPtp2xKS0yTGWYwWWbiOCHkZ+CknlA==}
     engines: {node: '>=18'}
     peerDependencies:
-      '@sanity/block-tools': ^3.69.0
       '@sanity/schema': ^3.69.0
       '@sanity/types': ^3.69.0
       react: ^16.9 || ^17 || ^18 || ^19
@@ -14679,10 +14684,17 @@ snapshots:
       '@pnpm/network.ca-file': 1.0.2
       config-chain: 1.1.13
 
-  '@portabletext/editor@1.21.1(@sanity/block-tools@packages+@sanity+block-tools)(@sanity/schema@packages+@sanity+schema)(@sanity/types@packages+@sanity+types)(@types/react@19.0.6)(react-dom@18.3.1(react@18.3.1))(react@18.3.1)(rxjs@7.8.1)':
+  '@portabletext/block-tools@1.0.2(@sanity/types@packages+@sanity+types)(@types/react@19.0.6)':
+    dependencies:
+      '@sanity/types': link:packages/@sanity/types
+      '@types/react': 19.0.6
+      get-random-values-esm: 1.0.2
+      lodash: 4.17.21
+
+  '@portabletext/editor@1.21.5(@sanity/schema@packages+@sanity+schema)(@sanity/types@packages+@sanity+types)(@types/react@19.0.6)(react-dom@18.3.1(react@18.3.1))(react@18.3.1)(rxjs@7.8.1)':
     dependencies:
+      '@portabletext/block-tools': 1.0.2(@sanity/types@packages+@sanity+types)(@types/react@19.0.6)
       '@portabletext/patches': 1.1.1
-      '@sanity/block-tools': link:packages/@sanity/block-tools
       '@sanity/schema': link:packages/@sanity/schema
       '@sanity/types': link:packages/@sanity/types
       '@xstate/react': 5.0.1(@types/react@19.0.6)(react@18.3.1)(xstate@5.19.1)
@@ -14703,10 +14715,10 @@ snapshots:
       - react-dom
       - supports-color
 
-  '@portabletext/editor@1.21.1(@sanity/block-tools@packages+@sanity+block-tools)(@sanity/schema@packages+@sanity+schema)(@sanity/types@packages+@sanity+types)(@types/react@19.0.6)(react-dom@19.0.0(react@19.0.0))(react@19.0.0)(rxjs@7.8.1)':
+  '@portabletext/editor@1.21.5(@sanity/schema@packages+@sanity+schema)(@sanity/types@packages+@sanity+types)(@types/react@19.0.6)(react-dom@19.0.0(react@19.0.0))(react@19.0.0)(rxjs@7.8.1)':
     dependencies:
+      '@portabletext/block-tools': 1.0.2(@sanity/types@packages+@sanity+types)(@types/react@19.0.6)
       '@portabletext/patches': 1.1.1
-      '@sanity/block-tools': link:packages/@sanity/block-tools
       '@sanity/schema': link:packages/@sanity/schema
       '@sanity/types': link:packages/@sanity/types
       '@xstate/react': 5.0.1(@types/react@19.0.6)(react@19.0.0)(xstate@5.19.1)