diff --git a/extensions/op-blocknote-hocuspocus/package-lock.json b/extensions/op-blocknote-hocuspocus/package-lock.json
index 329cfb9ba64..97072d676e5 100644
--- a/extensions/op-blocknote-hocuspocus/package-lock.json
+++ b/extensions/op-blocknote-hocuspocus/package-lock.json
@@ -12,7 +12,7 @@
         "@blocknote/server-util": "^0.51.3",
         "@hocuspocus/extension-logger": "^3.4.4",
         "@hocuspocus/server": "^3.4.0",
-        "op-blocknote-extensions": "https://github.com/opf/op-blocknote-extensions/releases/download/v0.1.0/op-blocknote-extensions-0.1.0.tgz",
+        "op-blocknote-extensions": "https://github.com/opf/op-blocknote-extensions/releases/download/v0.1.1/op-blocknote-extensions-0.1.1.tgz",
         "tsx": "^4.21.0"
       },
       "devDependencies": {
@@ -3903,9 +3903,9 @@
       "license": "MIT"
     },
     "node_modules/op-blocknote-extensions": {
-      "version": "0.1.0",
-      "resolved": "https://github.com/opf/op-blocknote-extensions/releases/download/v0.1.0/op-blocknote-extensions-0.1.0.tgz",
-      "integrity": "sha512-JKwG2P5RXM0JDED0AzDeiVoxuamHtzqLO5fp88EoFig+YXlPsedJHc90zjTDqCFRilwTDamCq3jjzdFvl42kCA==",
+      "version": "0.1.1",
+      "resolved": "https://github.com/opf/op-blocknote-extensions/releases/download/v0.1.1/op-blocknote-extensions-0.1.1.tgz",
+      "integrity": "sha512-4VO5Qf51Z8WQGD24AYhNmGHGGwnfnB3q8KwL48hWTifZq/9IL5rKpwKB+QkxvVUCaT8iwFYwB6QPzGgLJKRVFA==",
       "dependencies": {
         "@primer/octicons-react": "^19.20.0",
         "i18next": "^25.6.3",
diff --git a/extensions/op-blocknote-hocuspocus/package.json b/extensions/op-blocknote-hocuspocus/package.json
index d0095610c39..b3f83f49d98 100644
--- a/extensions/op-blocknote-hocuspocus/package.json
+++ b/extensions/op-blocknote-hocuspocus/package.json
@@ -26,7 +26,7 @@
     "@blocknote/server-util": "^0.51.3",
     "@hocuspocus/extension-logger": "^3.4.4",
     "@hocuspocus/server": "^3.4.0",
-    "op-blocknote-extensions": "https://github.com/opf/op-blocknote-extensions/releases/download/v0.1.0/op-blocknote-extensions-0.1.0.tgz",
+    "op-blocknote-extensions": "https://github.com/opf/op-blocknote-extensions/releases/download/v0.1.1/op-blocknote-extensions-0.1.1.tgz",
     "tsx": "^4.21.0"
   },
   "devDependencies": {
diff --git a/frontend/package-lock.json b/frontend/package-lock.json
index f9b67a18075..99de7cb2064 100644
--- a/frontend/package-lock.json
+++ b/frontend/package-lock.json
@@ -107,7 +107,7 @@
         "ng2-dragula": "^6.0.0",
         "ngx-cookie-service": "^21.1.0",
         "observable-array": "0.0.4",
-        "op-blocknote-extensions": "https://github.com/opf/op-blocknote-extensions/releases/download/v0.1.0/op-blocknote-extensions-0.1.0.tgz",
+        "op-blocknote-extensions": "https://github.com/opf/op-blocknote-extensions/releases/download/v0.1.1/op-blocknote-extensions-0.1.1.tgz",
         "openapi-explorer": "^2.4.793",
         "pako": "^2.0.3",
         "qr-creator": "^1.0.0",
@@ -19205,9 +19205,9 @@
       }
     },
     "node_modules/op-blocknote-extensions": {
-      "version": "0.1.0",
-      "resolved": "https://github.com/opf/op-blocknote-extensions/releases/download/v0.1.0/op-blocknote-extensions-0.1.0.tgz",
-      "integrity": "sha512-JKwG2P5RXM0JDED0AzDeiVoxuamHtzqLO5fp88EoFig+YXlPsedJHc90zjTDqCFRilwTDamCq3jjzdFvl42kCA==",
+      "version": "0.1.1",
+      "resolved": "https://github.com/opf/op-blocknote-extensions/releases/download/v0.1.1/op-blocknote-extensions-0.1.1.tgz",
+      "integrity": "sha512-4VO5Qf51Z8WQGD24AYhNmGHGGwnfnB3q8KwL48hWTifZq/9IL5rKpwKB+QkxvVUCaT8iwFYwB6QPzGgLJKRVFA==",
       "dependencies": {
         "@primer/octicons-react": "^19.20.0",
         "i18next": "^25.6.3",
@@ -37224,8 +37224,8 @@
       }
     },
     "op-blocknote-extensions": {
-      "version": "https://github.com/opf/op-blocknote-extensions/releases/download/v0.1.0/op-blocknote-extensions-0.1.0.tgz",
-      "integrity": "sha512-JKwG2P5RXM0JDED0AzDeiVoxuamHtzqLO5fp88EoFig+YXlPsedJHc90zjTDqCFRilwTDamCq3jjzdFvl42kCA==",
+      "version": "https://github.com/opf/op-blocknote-extensions/releases/download/v0.1.1/op-blocknote-extensions-0.1.1.tgz",
+      "integrity": "sha512-4VO5Qf51Z8WQGD24AYhNmGHGGwnfnB3q8KwL48hWTifZq/9IL5rKpwKB+QkxvVUCaT8iwFYwB6QPzGgLJKRVFA==",
       "requires": {
         "@primer/octicons-react": "^19.20.0",
         "i18next": "^25.6.3",
diff --git a/frontend/package.json b/frontend/package.json
index 985218c1ddc..4d35bb9a109 100644
--- a/frontend/package.json
+++ b/frontend/package.json
@@ -158,7 +158,7 @@
     "ng2-dragula": "^6.0.0",
     "ngx-cookie-service": "^21.1.0",
     "observable-array": "0.0.4",
-    "op-blocknote-extensions": "https://github.com/opf/op-blocknote-extensions/releases/download/v0.1.0/op-blocknote-extensions-0.1.0.tgz",
+    "op-blocknote-extensions": "https://github.com/opf/op-blocknote-extensions/releases/download/v0.1.1/op-blocknote-extensions-0.1.1.tgz",
     "openapi-explorer": "^2.4.793",
     "pako": "^2.0.3",
     "qr-creator": "^1.0.0",
diff --git a/frontend/src/react/components/OpBlockNoteEditor.tsx b/frontend/src/react/components/OpBlockNoteEditor.tsx
index 60388ea1ca7..a2f7d8f5518 100644
--- a/frontend/src/react/components/OpBlockNoteEditor.tsx
+++ b/frontend/src/react/components/OpBlockNoteEditor.tsx
@@ -41,6 +41,7 @@ import {
   openProjectWorkPackageInlineSpec,
   workPackageSlashMenu,
   useOpBlockNoteExtensions,
+  PasteDeduplicateInstanceIdsExtension,
   useHashWpMenu,
 } from 'op-blocknote-extensions';
 import { useCallback, useEffect, useMemo } from 'react';
@@ -119,7 +120,7 @@ export function OpBlockNoteEditor({
       // When external link capture is enabled, intercept clicks on external
       // links via a ProseMirror plugin and route through /external_redirect.
       ...(captureExternalLinks && {
-        extensions: [ExternalLinkCaptureExtension],
+        extensions: [PasteDeduplicateInstanceIdsExtension, ExternalLinkCaptureExtension],
       }),
     };
   }, [hocuspocusProvider, doc, activeUser, localeDictionary, attachmentsEnabled, uploadFile, captureExternalLinks]);