diff --git a/package/python-marshmallow/python-marshmallow.hash b/package/python-marshmallow/python-marshmallow.hash
index cd81316924..05e3c2756f 100644
--- a/package/python-marshmallow/python-marshmallow.hash
+++ b/package/python-marshmallow/python-marshmallow.hash
@@ -1,2 +1,2 @@
-sha256	0a96d88418c4e7c50a39a734c4ed3d2a991a37e6b7a8970dbbdb8ccb7f08ecb0  marshmallow-3.0.0b20.tar.gz
+sha256	8c6a22cfc9ca33945e2707c771c44030a035be96082a18643d431280b9b8f08e  marshmallow-3.0.0rc6.tar.gz
 
diff --git a/package/python-marshmallow/python-marshmallow.mk b/package/python-marshmallow/python-marshmallow.mk
index eca2ba7065..d1d7986c7f 100644
--- a/package/python-marshmallow/python-marshmallow.mk
+++ b/package/python-marshmallow/python-marshmallow.mk
@@ -4,9 +4,9 @@
 #
 ################################################################################
 
-PYTHON_MARSHMALLOW_VERSION = 3.0.0b20
+PYTHON_MARSHMALLOW_VERSION = 3.0.0rc6
 PYTHON_MARSHMALLOW_SOURCE = marshmallow-$(PYTHON_MARSHMALLOW_VERSION).tar.gz
-PYTHON_MARSHMALLOW_SITE = https://files.pythonhosted.org/packages/9b/dd/c6125334e434794754bf7fdc85bd9a26bdd3b1734471562a2b1ccd6e5802
+PYTHON_MARSHMALLOW_SITE = https://files.pythonhosted.org/packages/91/0d/c91fc9cbc7e737ddc01d5b55900d7611ea52bd24c0660ea2e4df1a3e0ac9
 PYTHON_MARSHMALLOW_SETUP_TYPE = setuptools
 PYTHON_MARSHMALLOW_LICENSE = Apache-2.0
 PYTHON_MARSHMALLOW_LICENSE_FILES = LICENSE.txt