diff --git a/gnu/packages/python.scm b/gnu/packages/python.scm
index 777590b583eea68707bd19d25ced6507d150816d..f0eb3762170ef8ec09dfce16d776c08cd13970f0 100644
--- a/gnu/packages/python.scm
+++ b/gnu/packages/python.scm
@@ -6954,13 +6954,13 @@ (define-public python2-execnet
 (define-public python-icalendar
   (package
     (name "python-icalendar")
-    (version "4.0.0")
+    (version "4.0.1")
     (source (origin
              (method url-fetch)
              (uri (pypi-uri "icalendar" version))
              (sha256
               (base32
-               "0jfp93x2pnpsbck92zw22dq7sl4pk0avv0gnb4x9vldrg6vlhyin"))))
+               "139y79y6ijl39m5bj771r43vpah9s4ly7d1k76la6hrx7l144ak8"))))
     (build-system python-build-system)
     (propagated-inputs
      `(("python-dateutil" ,python-dateutil)