diff --git a/package/python-attrs/python-attrs.hash b/package/python-attrs/python-attrs.hash
index 5d4c46304e..823a9459bd 100644
--- a/package/python-attrs/python-attrs.hash
+++ b/package/python-attrs/python-attrs.hash
@@ -1,5 +1,5 @@
 # md5, sha256 from https://pypi.org/pypi/attrs/json
-md5  06af884070d9180694becdb106e5cd65  attrs-21.2.0.tar.gz
-sha256  ef6aaac3ca6cd92904cdd0d83f629a15f18053ec84e6432106f7a4d04ae4f5fb  attrs-21.2.0.tar.gz
-# Locally computed sha256
+md5  5a9b5e9ceebc380a13fb93235b11bbda  attrs-21.4.0.tar.gz
+sha256  626ba8234211db98e869df76230a137c4c40a12d72445c45d5f5b716f076e2fd  attrs-21.4.0.tar.gz
+# Locally computed sha256 checksums
 sha256  bf659a28b49240602f56bbdf490cbe2ec509b15b98f99d7b19a52c740e327863  LICENSE
diff --git a/package/python-attrs/python-attrs.mk b/package/python-attrs/python-attrs.mk
index b99a98501c..4877d62285 100644
--- a/package/python-attrs/python-attrs.mk
+++ b/package/python-attrs/python-attrs.mk
@@ -4,9 +4,9 @@
 #
 ################################################################################
 
-PYTHON_ATTRS_VERSION = 21.2.0
+PYTHON_ATTRS_VERSION = 21.4.0
 PYTHON_ATTRS_SOURCE = attrs-$(PYTHON_ATTRS_VERSION).tar.gz
-PYTHON_ATTRS_SITE = https://files.pythonhosted.org/packages/ed/d6/3ebca4ca65157c12bd08a63e20ac0bdc21ac7f3694040711f9fd073c0ffb
+PYTHON_ATTRS_SITE = https://files.pythonhosted.org/packages/d7/77/ebb15fc26d0f815839ecd897b919ed6d85c050feeb83e100e020df9153d2
 PYTHON_ATTRS_SETUP_TYPE = setuptools
 PYTHON_ATTRS_LICENSE = MIT
 PYTHON_ATTRS_LICENSE_FILES = LICENSE