diff --git a/gnu/packages/astronomy.scm b/gnu/packages/astronomy.scm
index 0df5dc84e4..5b3936f2ea 100644
--- a/gnu/packages/astronomy.scm
+++ b/gnu/packages/astronomy.scm
@@ -4336,13 +4336,13 @@ (define-public python-suntime
 (define-public python-synphot
   (package
     (name "python-synphot")
-    (version "1.3.0")
+    (version "1.4.0")
     (source
      (origin
        (method url-fetch)
        (uri (pypi-uri "synphot" version))
        (sha256
-        (base32 "0a54bfrx9aar66040324sw9qdjz5lg67y28sjsxhyv9h3gppc7c0"))))
+        (base32 "0fk860bxaqbamrq15pkqlbvhbf70y50cra2mgvv9r0cxq37isbi6"))))
     (build-system pyproject-build-system)
     (arguments
      (list