diff --git a/pyproject.toml b/pyproject.toml
index 95fdafd..a867b95 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "poetry.core.masonry.api"
 
 [tool.poetry]
 name = "pyredactkit"
-version = "0.3.6"
+version = "0.3.7"
 description = "Python cli tool to redact sensitive data"
 authors = ["brootware <brootware@outlook.com>"]
 license = "GPL-3.0-or-later"
diff --git a/pyredactkit/identifiers.py b/pyredactkit/identifiers.py
index 54c188d..e130db4 100644
--- a/pyredactkit/identifiers.py
+++ b/pyredactkit/identifiers.py
@@ -25,7 +25,7 @@ class Identifier:
             "type": ("ip", "ipv4")
         },
         {
-            "pattern": r'((?:(?:\\d{4}[- ]?){3}\\d{4}|\\d{15,16}))(?![\\d])',
+            "pattern": '((?:(?:\\d{4}[- ]?){3}\\d{4}|\\d{15,16}))(?![\\d])',
             "type": ("cc", "creditcard")
         },
         {