diff --git a/README.md b/README.md
index aec0c61..b3ec5d1 100644
--- a/README.md
+++ b/README.md
@@ -13,6 +13,7 @@ GitHub Action to take a database dump from a platform.sh site and copy the dump
     platformsh_app: 'api' # optional. specify if the project has multiple apps.
     aws_s3_bucket: 'bucket-name'  # required.
     db_dump_filename_base: 'sitename-db-dump'
+    dump_only_these_tables: 'table_name another_table_name' # optional. limit the tables being dumped, separate the table names with spaces.
   env:
     PLATFORMSH_CLI_TOKEN: ${{ secrets.PLATFORMSH_CLI_TOKEN }}  # required.
     AWS_ACCESS_KEY_ID: ${{ secrets.AWS_ACCESS_KEY_ID }}  # required.
diff --git a/action.yml b/action.yml
index 0ea5fcf..0f35ab0 100644
--- a/action.yml
+++ b/action.yml
@@ -22,6 +22,9 @@ inputs:
     description: 'Filename for the database dump. A timestamp will be appended after it.'
     required: false
     default: 'db-dump'
+  dump_only_these_tables:
+    description: 'Limit the dumped tables to this list, separated by spaces.'
+    required: false
 runs:
   using: 'docker'
   image: 'Dockerfile'
diff --git a/entrypoint.sh b/entrypoint.sh
index 4d8b12f..46f68ec 100755
--- a/entrypoint.sh
+++ b/entrypoint.sh
@@ -7,6 +7,15 @@ platform --version
 sed -i 's/#   StrictHostKeyChecking ask.*/StrictHostKeyChecking accept-new/' /etc/ssh/ssh_config
 FILENAME="${INPUT_DB_DUMP_FILENAME_BASE}-$(date +%F-%T)"
 
+# If we are not limiting the tables with INPUT_ONLY_INCLUDE_THESE_TABLES, then
+# this will pass harmlessly as an empty string in the platform db:dump command.
+DUMP_ONLY_THESE_TABLES=""
+for table in ${INPUT_DUMP_ONLY_THESE_TABLES}
+do
+  # Concatenate table options into string.
+  DUMP_ONLY_THESE_TABLES="${DUMP_ONLY_THESE_TABLES} --table=${table}"
+done
+
 # Check if neither optional relationship nor optional app value exists.
 if [ -z "${INPUT_PLATFORMSH_RELATIONSHIP}" ] && [ -z "${INPUT_PLATFORMSH_APP}" ]
 then
@@ -26,7 +35,8 @@ else
   else
     # To get here we must have both --relationship and --app values available.
     # Run command with --relationship and --app parameters.
-    platform db:dump -v --yes --project "$INPUT_PLATFORMSH_PROJECT" --environment "$INPUT_PLATFORMSH_ENVIRONMENT" --relationship "$INPUT_PLATFORMSH_RELATIONSHIP" --app "$INPUT_PLATFORMSH_APP" --gzip -f "$FILENAME".sql.gz
+    # Also the optional DUMP_ONLY_THESE_TABLES argument limits to a subset of tables, but it may be empty.
+    platform db:dump -v --yes --project "$INPUT_PLATFORMSH_PROJECT" --environment "$INPUT_PLATFORMSH_ENVIRONMENT" --relationship "$INPUT_PLATFORMSH_RELATIONSHIP" --app "$INPUT_PLATFORMSH_APP" ${DUMP_ONLY_THESE_TABLES} --gzip -f "$FILENAME".sql.gz
   fi
 fi