diff --git a/auto_archive.py b/auto_archive.py
index 840ccdc..f12b9c4 100644
--- a/auto_archive.py
+++ b/auto_archive.py
@@ -53,23 +53,24 @@ def missing_required_columns(gw: GWorksheet):
     return missing
 
 
+def should_process_sheet(c, sheet_name):
+    if len(c.worksheet_allow) and sheet_name not in c.worksheet_allow:
+        # ALLOW rules exist AND sheet name not explicitly allowed
+        return False
+    if len(c.worksheet_block) and sheet_name in c.worksheet_block:
+        # BLOCK rules exist AND sheet name is blocked
+        return False
+    return True
+
+
 def process_sheet(c: Config):
     sh = c.gsheets_client.open(c.sheet)
 
     # loop through worksheets to check
     for ii, wks in enumerate(sh.worksheets()):
-
-        whitelist = c.worksheet_whitelist
-        if whitelist is not None:
-            if wks.title != whitelist: 
-                logger.debug(f'Ignoring worksheet {wks.title} as not in whitelist which is specified as {whitelist}')
-                continue
-
-        blacklist = c.worksheet_blacklist
-        if blacklist is not None:
-            if wks.title == blacklist: 
-                logger.debug(f'Ignoring worksheet {wks.title} as in blacklist')
-                continue
+        if not should_process_sheet(c, wks.title):
+            logger.info(f'Ignoring worksheet "{wks.title}" due to allow/block configurations')
+            continue
 
         logger.info(f'Opening worksheet {ii=}: {wks.title=} {c.header=}')
         gw = GWorksheet(wks, header_row=c.header, columns=c.column_names)
@@ -93,7 +94,7 @@ def process_sheet(c: Config):
                 if not is_retry: continue
 
             # All checks done - archival process starts here
-            try: 
+            try:
                 gw.set_cell(row, 'status', 'Archive in progress')
                 url = expand_url(url)
                 c.set_folder(gw.get_cell_or_default(row, 'folder', default_folder, when_empty_use_default=True))
@@ -109,7 +110,7 @@ def process_sheet(c: Config):
                     YoutubeDLArchiver(storage, c.webdriver, c.facebook_cookie),
                     TelegramArchiver(storage, c.webdriver),
                     TwitterArchiver(storage, c.webdriver),
-                    VkArchiver(storage,  c.webdriver, c.vk_config),
+                    VkArchiver(storage, c.webdriver, c.vk_config),
                     WaybackArchiver(storage, c.webdriver, c.wayback_config)
                 ]
 
@@ -118,7 +119,7 @@ def process_sheet(c: Config):
 
                     try:
                         result = archiver.download(url, check_if_exists=c.check_if_exists)
-                    except KeyboardInterrupt as e: raise e # so the higher level catch can catch it
+                    except KeyboardInterrupt as e: raise e  # so the higher level catch can catch it
                     except Exception as e:
                         result = False
                         logger.error(f'Got unexpected error in row {row} with {archiver.name} for {url=}: {e}\n{traceback.format_exc()}')
diff --git a/configs/config.py b/configs/config.py
index 98fabe9..e9bd084 100644
--- a/configs/config.py
+++ b/configs/config.py
@@ -51,8 +51,11 @@ class Config:
         self.sheet = getattr_or(self.args, "sheet", execution.get("sheet"))
         assert self.sheet is not None, "'sheet' must be provided either through command line or configuration file"
 
-        self.worksheet_whitelist = execution.get("worksheet_whitelist")
-        self.worksheet_blacklist = execution.get("worksheet_blacklist")
+        def ensure_set(l):
+            l = l if isinstance(l, list) else [l]
+            return set([x for x in l if isinstance(x, str) and len(x) > 0])
+        self.worksheet_allow = ensure_set(execution.get("worksheet_allow", []))
+        self.worksheet_block = ensure_set(execution.get("worksheet_block", []))
 
         self.header = int(getattr_or(self.args, "header", execution.get("header", 1)))
         self.storage = getattr_or(self.args, "storage", execution.get("storage", "s3"))
@@ -250,6 +253,8 @@ class Config:
         return json.dumps({
             "config_file": self.config_file,
             "sheet": self.sheet,
+            "worksheet_allow": list(self.worksheet_allow),
+            "worksheet_block": list(self.worksheet_block),
             "storage": self.storage,
             "header": self.header,
             "check_if_exists": self.check_if_exists,
diff --git a/example.config.yaml b/example.config.yaml
index 8778bba..3092efc 100644
--- a/example.config.yaml
+++ b/example.config.yaml
@@ -66,12 +66,13 @@ execution:
   # can be overwritten with CMD --sheet=
   sheet: your-sheet-name
 
-  # only check this worksheet rather than iterating through all worksheets in the spreadsheet. If whitelist is used then blacklist is ignored as whitelist is more restrictive.
-  # worksheet_whitelist: Sheet1
-
-  # worksheet to blacklist. Leave blank which is default for none. Useful if users want a MASTERSHEET exact copy of the working worksheet
-  # worksheet_blacklist: MASTERSHEET
-
+  # block or allow worksheets by name, instead of defaulting to checking all worksheets in a Spreadsheet
+  # worksheet_allow and worksheet_block can be single values or lists
+  # if worksheet_allow is specified, worksheet_block is ignored
+  # worksheet_allow:
+  #   - Sheet1
+  #   - "Sheet 2"
+  # worksheet_block: BlockedSheet
 
   # which row of your tabs contains the header, can be overwritten with CMD --header=
   header: 1