diff --git a/gnu/packages/telephony.scm b/gnu/packages/telephony.scm
index be50ab3c954bedd04e25551bfe8b6700e5c62266..6ee1b2c25082b34bbc378e014d91852338a4b51a 100644
--- a/gnu/packages/telephony.scm
+++ b/gnu/packages/telephony.scm
@@ -323,14 +323,14 @@ (define-public zrtpcpp
 (define-public osip
   (package
    (name "osip")
-   (version "5.1.1")
+   (version "5.1.2")
    (source (origin
             (method url-fetch)
             (uri (string-append "mirror://gnu/osip/libosip2-" version ".tar.gz"))
             (patches (search-patches "osip-CVE-2017-7853.patch"))
             (sha256
              (base32
-              "0kgnxgzf968kbl6rx3hjsfb3jsg4ydgrsf35gzj319i1f8qjifv1"))))
+              "148j1i0zkwf09qdpk3nc5sssj1dvppw7p0n9rgrg8k56447l1h1b"))))
    (build-system gnu-build-system)
 
    (synopsis "Library implementing SIP (RFC-3261)")