diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index b1feb09..db98ad4 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -1,7 +1,18 @@
 name: Build
 
-on: [push, pull_request]
-
+on:
+  push:
+    paths-ignore: &paths_ignore
+      - 'docs/**'
+      - '**.txt'
+      - '**.md'
+  pull_request:
+    paths-ignore: *paths_ignore
+
+concurrency:
+  # De-duplicate concurrent workflow runs on the same branch/ref
+  group: ${{ github.workflow }}-${{ github.head_ref || github.ref_name }}
+  cancel-in-progress: ${{ github.ref != 'refs/heads/main' }}
 
 jobs:
   build:
@@ -187,7 +198,7 @@ jobs:
 
     steps:
     - name: Checkout code
-      uses: actions/checkout@v4
+      uses: actions/checkout@v6
 
     - name: Install Ubuntu Native Dependencies
       if: ${{ contains(matrix.os, 'ubuntu') && matrix.container == '' && matrix.compiler == 'gfortran' }}
diff --git a/LICENSE b/LICENSE.txt
similarity index 100%
rename from LICENSE
rename to LICENSE.txt