diff --git a/setup_release.sh b/setup_release.sh
index 6a2b512..c1a38cd 100644
--- a/setup_release.sh
+++ b/setup_release.sh
@@ -9,7 +9,7 @@ fi
 
 # Pull latest version from VERSION file if not set.
 if [ -z "${VERSION:-}" ]; then
-    VERSION=$(cat $(dirname $0)/VERSION)
+    VERSION=$(cat $(dirname "$0")/VERSION)
 fi
 
 FILE="databricks_cli_$VERSION"
@@ -52,4 +52,4 @@ unzip -q "${FILE}.zip" -d .bin
 # Add databricks to path.
 dir=$PWD/.bin
 chmod +x "${dir}/databricks"
-echo "$dir" >> $GITHUB_PATH
+echo "$dir" >> "$GITHUB_PATH"
diff --git a/setup_snapshot.sh b/setup_snapshot.sh
index f427460..78e10f6 100755
--- a/setup_snapshot.sh
+++ b/setup_snapshot.sh
@@ -71,7 +71,7 @@ macOS)
     ;;
 esac
 
-gh run download $last_successful_run_id -n $artifact -D .bin
+gh run download "$last_successful_run_id" -n "$artifact" -D .bin
 
 dir="$PWD/.bin/$(cli_snapshot_directory)"
 
@@ -82,11 +82,11 @@ fi
 
 if [ "$RUNNER_OS" == "Windows" ]; then
     (
-        cd $dir
+        cd "$dir"
         mv ./databricks.exe ./databricks
     )
 fi
 
 # Add databricks to path.
-chmod +x $dir/databricks
-echo "$dir" >> $GITHUB_PATH
+chmod +x "$dir/databricks"
+echo "$dir" >> "$GITHUB_PATH"