diff --git a/.lastmerge b/.lastmerge
index b28867a96..eb3bdcdfa 100644
--- a/.lastmerge
+++ b/.lastmerge
@@ -1 +1 @@
-4a0437bb03a0b60a1867f14ae8e3faf053afa5aa
+e0a0f5e2f9fa153e4571ad42764e608a378a69fb
diff --git a/pom.xml b/pom.xml
index 4e3273cf4..7b93a94c0 100644
--- a/pom.xml
+++ b/pom.xml
@@ -94,7 +94,7 @@
             reference-impl-sync workflow and deal with the subsequent
             PR.
         -->
-        <readonly-copilot-sdk-ref-impl-version-from-lastmerge-file-updated-by-reference-impl-sync>^1.0.44-3</readonly-copilot-sdk-ref-impl-version-from-lastmerge-file-updated-by-reference-impl-sync>
+        <readonly-copilot-sdk-ref-impl-version-from-lastmerge-file-updated-by-reference-impl-sync>^1.0.45</readonly-copilot-sdk-ref-impl-version-from-lastmerge-file-updated-by-reference-impl-sync>
 
     </properties>
 
diff --git a/scripts/codegen/package-lock.json b/scripts/codegen/package-lock.json
index 0846fc42e..5c5333aff 100644
--- a/scripts/codegen/package-lock.json
+++ b/scripts/codegen/package-lock.json
@@ -6,7 +6,7 @@
     "": {
       "name": "copilot-sdk-java-codegen",
       "dependencies": {
-        "@github/copilot": "^1.0.44-3",
+        "@github/copilot": "^1.0.45",
         "json-schema": "^0.4.0",
         "tsx": "^4.20.6"
       }
diff --git a/scripts/codegen/package.json b/scripts/codegen/package.json
index 6dde79579..45236b112 100644
--- a/scripts/codegen/package.json
+++ b/scripts/codegen/package.json
@@ -7,7 +7,7 @@
     "generate:java": "tsx java.ts"
   },
   "dependencies": {
-    "@github/copilot": "^1.0.44-3",
+    "@github/copilot": "^1.0.45",
     "json-schema": "^0.4.0",
     "tsx": "^4.20.6"
   }