diff --git a/gnu/packages/python-xyz.scm b/gnu/packages/python-xyz.scm
index 0e12f75357..5cf0b61c68 100644
--- a/gnu/packages/python-xyz.scm
+++ b/gnu/packages/python-xyz.scm
@@ -6331,7 +6331,7 @@ (define-public python2-pycparser
 (define-public python-xlsxwriter
   (package
     (name "python-xlsxwriter")
-    (version "1.3.7")
+    (version "1.3.9")
     (source
      (origin
        ;; There are no tests in the PyPI tarball.
@@ -6341,7 +6341,7 @@ (define-public python-xlsxwriter
              (commit (string-append "RELEASE_" version))))
        (file-name (git-file-name name version))
        (sha256
-        (base32 "1qg40r2mwrqfmhaxnary1cfgi0dwwazp5qga7c9p2cdji2v0x5rm"))))
+        (base32 "04idf331rp0iyhlnh7268jmim8ydw4jjb81hr5rh548sqnq4bhpl"))))
     (build-system python-build-system)
     (home-page "https://github.com/jmcnamara/XlsxWriter")
     (synopsis "Python module for creating Excel XLSX files")