diff --git a/limacharlie/Configs.py b/limacharlie/Configs.py
index c091321..d4fdaf2 100644
--- a/limacharlie/Configs.py
+++ b/limacharlie/Configs.py
@@ -2,7 +2,7 @@
 from .Replicants import Integrity
 from .Replicants import Logging
 from .Replicants import Exfil
-from .utils import _isStringCompat
+from .utils import _isStringCompat, _enable_env_parsing
 from .Extensions import Extension
 
 # Detect if this is Python 2 or 3
@@ -18,6 +18,8 @@
 import json
 import glob
 
+_enable_env_parsing()
+
 class LcConfigException( Exception ):
     pass
 
diff --git a/limacharlie/utils.py b/limacharlie/utils.py
index 01dc4db..5432e10 100644
--- a/limacharlie/utils.py
+++ b/limacharlie/utils.py
@@ -8,6 +8,8 @@
 
 import threading
 import time
+import yaml
+import os
 
 class LcApiException ( Exception ):
     '''Exception type used for various errors in the LimaCharlie SDK.'''
@@ -231,4 +233,18 @@ def __exit__(self, exception, value, tb):
         self.busy = False
         time.sleep(self.delay)
         if exception is not None:
-            return False
\ No newline at end of file
+            return False
+
+# Custom YAML node constructor to handle !ENV
+# tags and replace them with an ENV value
+def _env_constructor(loader, node):
+  value = loader.construct_scalar(node)
+  env_value = os.getenv(value)
+  # Raise an error if the variable is not set
+  if env_value is None:
+    raise ValueError(f"Environment variable {value} is not set.")
+  else:
+    return env_value
+
+def _enable_env_parsing():
+    yaml.SafeLoader.add_constructor('!ENV', _env_constructor)