diff --git a/.github/workflows/build-user-config.yml b/.github/workflows/build-user-config.yml
index 69018294bf32..a0338230f514 100644
--- a/.github/workflows/build-user-config.yml
+++ b/.github/workflows/build-user-config.yml
@@ -55,6 +55,10 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v3
 
+      - name: Create build directory
+        run: |
+          echo "build_dir=$(mktemp -d)" >> $GITHUB_ENV
+
       - name: Prepare variables
         shell: sh -x {0}
         env:
@@ -98,13 +102,13 @@ jobs:
 
       - name: West Build (${{ env.display_name }})
         shell: sh -x {0}
-        run: west build -s zmk/app -b "${{ matrix.board }}" -- -DZMK_CONFIG="${GITHUB_WORKSPACE}/${{ inputs.config_path }}" ${{ env.extra_cmake_args }} ${{ matrix.cmake-args }}
+        run: west build -s zmk/app -d "${{ env.build_dir }}" -b "${{ matrix.board }}" -- -DZMK_CONFIG="${GITHUB_WORKSPACE}/${{ inputs.config_path }}" ${{ env.extra_cmake_args }} ${{ matrix.cmake-args }}
 
       - name: ${{ env.display_name }} Kconfig file
         run: |
-          if [ -f build/zephyr/.config ]
+          if [ -f "${{ env.build_dir }}/zephyr/.config" ]
           then
-            grep -v -e "^#" -e "^$" build/zephyr/.config | sort
+            grep -v -e "^#" -e "^$" "${{ env.build_dir }}/zephyr/.config" | sort
           else
             echo "No Kconfig output"
           fi
@@ -112,12 +116,12 @@ jobs:
 
       - name: ${{ env.display_name }} Devicetree file
         run: |
-          if [ -f build/zephyr/zephyr.dts ]
+          if [ -f "${{ env.build_dir }}/zephyr/zephyr.dts" ]
           then
-            cat build/zephyr/zephyr.dts
-          elif [ -f build/zephyr/zephyr.dts.pre ]
+            cat "${{ env.build_dir }}/zephyr/zephyr.dts"
+          elif [ -f "${{ env.build_dir }}/zephyr/zephyr.dts.pre" ]
           then
-            cat -s build/zephyr/zephyr.dts.pre
+            cat -s "${{ env.build_dir }}/zephyr/zephyr.dts.pre"
           else
             echo "No Devicetree output"
           fi
@@ -126,17 +130,17 @@ jobs:
       - name: Rename artifacts
         shell: sh -x {0}
         run: |
-          mkdir build/artifacts
-          if [ -f build/zephyr/zmk.uf2 ]
+          mkdir "${{ env.build_dir }}/artifacts"
+          if [ -f "${{ env.build_dir }}/zephyr/zmk.uf2" ]
           then
-            cp build/zephyr/zmk.uf2 "build/artifacts/${{ env.artifact_name }}.uf2"
-          elif [ -f build/zephyr/zmk.${{ inputs.fallback_binary }} ]
+            cp "${{ env.build_dir }}/zephyr/zmk.uf2" "${{ env.build_dir }}/artifacts/${{ env.artifact_name }}.uf2"
+          elif [ -f "${{ env.build_dir }}/zephyr/zmk.${{ inputs.fallback_binary }}" ]
           then
-            cp "build/zephyr/zmk.${{ inputs.fallback_binary }}" "build/artifacts/${{ env.artifact_name }}.${{ inputs.fallback_binary }}"
+            cp "${{ env.build_dir }}/zephyr/zmk.${{ inputs.fallback_binary }}" "${{ env.build_dir }}/artifacts/${{ env.artifact_name }}.${{ inputs.fallback_binary }}"
           fi
 
       - name: Archive (${{ env.display_name }})
         uses: actions/upload-artifact@v3
         with:
           name: ${{ inputs.archive_name }}
-          path: build/artifacts
+          path: ${{ env.build_dir }}/artifacts