diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 5b27058f9..dac51c2f3 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -26,6 +26,7 @@ jobs:
         release-platform: ${{ matrix.LCG }}
         run: |
           echo "::group::Run CMake"
+          export JULIA_DEPOT_PATH="$(mktemp -d -p /tmp -t julia_depot_XXXXX):"
           mkdir build install
           cd build
           cmake -DENABLE_SIO=ON \
diff --git a/.github/workflows/ubuntu.yml b/.github/workflows/ubuntu.yml
index 2ef4d8af8..4a7c63405 100644
--- a/.github/workflows/ubuntu.yml
+++ b/.github/workflows/ubuntu.yml
@@ -23,6 +23,7 @@ jobs:
         release-platform: ${{ matrix.LCG }}
         run: |
           echo "::group::Run CMake"
+          export JULIA_DEPOT_PATH="$(mktemp -d -p /tmp -t julia_depot_XXXXX):"
           mkdir build install
           cd build
           cmake -DENABLE_SIO=ON \