diff --git a/packages/backend/server/src/plugins/copilot/prompt/prompts.ts b/packages/backend/server/src/plugins/copilot/prompt/prompts.ts
index 9abf77999..086feac1a 100644
--- a/packages/backend/server/src/plugins/copilot/prompt/prompts.ts
+++ b/packages/backend/server/src/plugins/copilot/prompt/prompts.ts
@@ -1655,7 +1655,7 @@ const CHAT_PROMPT: Omit<Prompt, 'name'> = {
     'claude-3-7-sonnet-20250219',
     'claude-3-5-sonnet-20241022',
     'gemini-2.5-flash-preview-05-20',
-    'gemini-2.5-pro-preview-05-06',
+    'gemini-2.5-pro-preview-06-05',
     'claude-opus-4@20250514',
     'claude-sonnet-4@20250514',
     'claude-3-7-sonnet@20250219',
diff --git a/packages/backend/server/src/plugins/copilot/providers/gemini/generative.ts b/packages/backend/server/src/plugins/copilot/providers/gemini/generative.ts
index 26bde7f9f..33b9266aa 100644
--- a/packages/backend/server/src/plugins/copilot/providers/gemini/generative.ts
+++ b/packages/backend/server/src/plugins/copilot/providers/gemini/generative.ts
@@ -46,7 +46,7 @@ export class GeminiGenerativeProvider extends GeminiProvider<GeminiGenerativeCon
     },
     {
       name: 'Gemini 2.5 Pro',
-      id: 'gemini-2.5-pro-preview-05-06',
+      id: 'gemini-2.5-pro-preview-06-05',
       capabilities: [
         {
           input: [
diff --git a/packages/backend/server/src/plugins/copilot/providers/gemini/vertex.ts b/packages/backend/server/src/plugins/copilot/providers/gemini/vertex.ts
index 06b89f8e6..d7215f4af 100644
--- a/packages/backend/server/src/plugins/copilot/providers/gemini/vertex.ts
+++ b/packages/backend/server/src/plugins/copilot/providers/gemini/vertex.ts
@@ -29,7 +29,7 @@ export class GeminiVertexProvider extends GeminiProvider<GeminiVertexConfig> {
     },
     {
       name: 'Gemini 2.5 Pro',
-      id: 'gemini-2.5-pro-preview-05-06',
+      id: 'gemini-2.5-pro-preview-06-05',
       capabilities: [
         {
           input: [