diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 8b63f00..f53455f 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -10,7 +10,7 @@ jobs:
     steps:
     - uses: actions/checkout@v4
     - name: Setup .NET Core
-      uses: actions/setup-dotnet@v4
+      uses: actions/setup-dotnet@v5
       with:
         dotnet-version: 9.0.x
     - name: Build iTextSharp.LGPLv2.Core lib
diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index cb69c10..43ed965 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -64,7 +64,7 @@ jobs:
     # - name: Autobuild
     #  uses: github/codeql-action/autobuild@v3
     - name: Setup .NET
-      uses: actions/setup-dotnet@v4
+      uses: actions/setup-dotnet@v5
       with:
         dotnet-version: 9.0.x
     - name: Build