diff --git a/.github/workflows/linux_x64_cuda.yml b/.github/workflows/linux_x64_cuda.yml
index bb94f9f..7e2c983 100644
--- a/.github/workflows/linux_x64_cuda.yml
+++ b/.github/workflows/linux_x64_cuda.yml
@@ -223,7 +223,7 @@ jobs:
       uses: actions/checkout@v6
       with:
         repository: microsoft/onnxruntime
-        ref: 'rel-1.25.0'
+        ref: 'rel-1.26.0'
         token: ${{ secrets.GITHUB_TOKEN }}
 
     - name: Setup python
diff --git a/.github/workflows/windows_x64_cuda.yml b/.github/workflows/windows_x64_cuda.yml
index bcdb21a..ebc60d5 100644
--- a/.github/workflows/windows_x64_cuda.yml
+++ b/.github/workflows/windows_x64_cuda.yml
@@ -152,7 +152,7 @@ jobs:
       uses: actions/checkout@v6
       with:
         repository: microsoft/onnxruntime
-        ref: 'rel-1.25.0'
+        ref: 'rel-1.26.0'
         token: ${{ secrets.GITHUB_TOKEN }}
 
     - name: Install Ninja
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 3364875..7612ff3 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -111,7 +111,7 @@ target_compile_definitions(ORTTensorRTEp PUBLIC
 
 set_onnxruntime_paths(
   ORT_HOME "${ORT_HOME}"
-  DEFAULT_ORT_VERSION "1.25.0-rc.1"
+  DEFAULT_ORT_VERSION "1.26.0"
   ORT_INCLUDE_DIR_VAR ORT_INCLUDE_DIR
   ORT_LIBRARY_DIR_VAR ORT_LIBRARY_DIR
 )
diff --git a/csharp/SampleApp/SampleApp.csproj b/csharp/SampleApp/SampleApp.csproj
index 56002dd..7737b53 100644
--- a/csharp/SampleApp/SampleApp.csproj
+++ b/csharp/SampleApp/SampleApp.csproj
@@ -10,7 +10,7 @@
 
   <ItemGroup>
     <PackageReference Include="Microsoft.ML.OnnxRuntime.EP.TensorRT" Version="1.0.0" />
-    <PackageReference Include="Microsoft.ML.OnnxRuntime" Version="1.25.0-rc.1" />
+    <PackageReference Include="Microsoft.ML.OnnxRuntime" Version="1.26.0" />
   </ItemGroup>
 
   <ItemGroup>