diff --git a/gnu/packages/algebra.scm b/gnu/packages/algebra.scm
index 92644c4f62..9d5646fe68 100644
--- a/gnu/packages/algebra.scm
+++ b/gnu/packages/algebra.scm
@@ -78,7 +78,7 @@
 (define-public mpfrcx
   (package
    (name "mpfrcx")
-   (version "0.6.2")
+   (version "0.6.3")
    (source (origin
             (method url-fetch)
             (uri (string-append
@@ -86,7 +86,7 @@
                   version ".tar.gz"))
             (sha256
              (base32
-              "165syd6kihwp6bry9hvr3v0908cgadsz5w5h5ry4mjnchrklnb7w"))))
+              "1545vgizpypqi2rrriad0ybqv0qwbn9zr0ibxpk00gha9ihv7acx"))))
    (build-system gnu-build-system)
    (propagated-inputs
      `(("gmp" ,gmp)