diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index f012ca082..5e9639e09 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -52,10 +52,10 @@ jobs:
       run: brew install gcc@${GCC_V} || brew upgrade gcc@${GCC_V} || true
 
     - name: Configure with CMake
-      run: cmake -Wdev -S . -B . # We should build out of source but loadtxt needs fixing
+      run: cmake -Wdev -S . -B build
 
     - name: Build and compile
-      run: cmake --build . || cmake --build . --verbose --parallel 1
+      run: cmake --build build || cmake --build build --verbose --parallel 1
 
     - name: test
-      run: cmake --build . --target test
+      run: cmake --build build --target test
diff --git a/.gitignore b/.gitignore
index 259148fa1..85c6dcc9a 100644
--- a/.gitignore
+++ b/.gitignore
@@ -30,3 +30,6 @@
 *.exe
 *.out
 *.app
+
+# Build directory for out-of-tree builds
+/build