diff --git a/pymisp/api.py b/pymisp/api.py
index d05b4f8..93082b1 100644
--- a/pymisp/api.py
+++ b/pymisp/api.py
@@ -15,7 +15,7 @@ try:
     from urllib.parse import urljoin
 except ImportError:
     from urlparse import urljoin
-    warnings.warn("You're using python 2, it is strongly recommended to use python >=3.3")
+    warnings.warn("You're using python 2, it is strongly recommended to use python >=3.4")
 from io import BytesIO
 import zipfile
 
@@ -33,7 +33,7 @@ from .mispevent import MISPEvent, MISPAttribute, EncodeUpdate
 # Least dirty way to support python 2 and 3
 try:
     basestring
-    warnings.warn("You're using python 2, it is strongly recommended to use python >=3.3")
+    warnings.warn("You're using python 2, it is strongly recommended to use python >=3.4")
 except NameError:
     basestring = str
 
diff --git a/pymisp/mispevent.py b/pymisp/mispevent.py
index fe384d0..c6ad4bb 100644
--- a/pymisp/mispevent.py
+++ b/pymisp/mispevent.py
@@ -37,7 +37,7 @@ from .exceptions import PyMISPError, NewEventError, NewAttributeError
 try:
     basestring
     unicode
-    warnings.warn("You're using python 2, it is strongly recommended to use python >=3.3")
+    warnings.warn("You're using python 2, it is strongly recommended to use python >=3.4")
 except NameError:
     basestring = str
     unicode = str