diff --git a/apiserver/service_repo/auth/utils.py b/apiserver/service_repo/auth/utils.py
index e941daa..6df9478 100644
--- a/apiserver/service_repo/auth/utils.py
+++ b/apiserver/service_repo/auth/utils.py
@@ -33,5 +33,5 @@ def get_secret_key(length=50):
     NOTE: asterisk is not supported due to issues with environment variables containing
      asterisks (in case the secret key is stored in an environment variable)
     """
-    chars = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789!@#$%^&(-_=+)'
+    chars = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789'
     return get_random_string(length, chars)