diff --git a/plugins/auto-updater/tests/auto-updater-specific.bats b/plugins/auto-updater/tests/auto-updater-specific.bats
index 6f34786e..02f8e8eb 100644
--- a/plugins/auto-updater/tests/auto-updater-specific.bats
+++ b/plugins/auto-updater/tests/auto-updater-specific.bats
@@ -5,7 +5,8 @@ setup() {
   export TEST_DIR="${BATS_TEST_DIRNAME}"
   export SCRIPT_DIR="${TEST_DIR}/../scripts"
   export FIXTURES_DIR="${TEST_DIR}/fixtures"
-  export TEMP_DIR="${BATS_TMPDIR}/auto-updater-test-$$"
+  # Use BATS_TEST_NAME to ensure unique temp directory per test
+  export TEMP_DIR="${BATS_TMPDIR}/auto-updater-test-${BATS_TEST_NAME}"
 
   mkdir -p "$TEMP_DIR"
   export HOME="$TEMP_DIR"
@@ -81,12 +82,6 @@ EOF
   export CLAUDE_PLUGIN_ROOT="$FIXTURES_DIR/../../.."
   export MARKETPLACE_FILE="$FIXTURES_DIR/marketplace.json"
 
-  # Debug: Log environment variables (remove after fix)
-  echo "TEST: CONFIG_DIR=$CONFIG_DIR" >&3
-  echo "TEST: TIMESTAMP_FILE=$TIMESTAMP_FILE" >&3
-  echo "TEST: HOME=$HOME" >&3
-  ls -la "$CONFIG_DIR" >&3 || true
-
   # Timestamp should not exist initially
   [ ! -f "$CONFIG_DIR/last-check" ]
 
@@ -94,10 +89,6 @@ EOF
   run "$SCRIPT_DIR/update-checker.sh" --silent
   [ "$status" -eq 0 ]
 
-  # Debug: Check if file exists after run
-  echo "TEST: After run - CONFIG_DIR=$CONFIG_DIR" >&3
-  ls -la "$CONFIG_DIR" >&3 || true
-
   # Timestamp file should now exist
   [ -f "$CONFIG_DIR/last-check" ]