diff --git a/gnu/packages/glib.scm b/gnu/packages/glib.scm
index 347b2abad5..dd71593582 100644
--- a/gnu/packages/glib.scm
+++ b/gnu/packages/glib.scm
@@ -447,7 +447,7 @@ by GDBus included in Glib.")
 (define libsigc++
   (package
     (name "libsigc++")
-    (version "2.6.1")
+    (version "2.8.0")
     (source (origin
              (method url-fetch)
              (uri (string-append "mirror://gnome/sources/libsigc++/"
@@ -455,7 +455,7 @@ by GDBus included in Glib.")
                                  name "-" version ".tar.xz"))
              (sha256
               (base32
-               "06xyvxaaxh3nbpjg86gcq5zcc2qnpx354wcfrqlhbndkq5kj2vqq"))))
+               "0lcnzzdq6718znfshs1hflpwqq6awbzwdyp4kv5lfaf54z880jbp"))))
     (build-system gnu-build-system)
     (native-inputs `(("pkg-config" ,pkg-config)
                      ("m4" ,m4)))