diff --git a/gnu/packages/maths.scm b/gnu/packages/maths.scm
index 98ed03e0d6..f413403207 100644
--- a/gnu/packages/maths.scm
+++ b/gnu/packages/maths.scm
@@ -5916,7 +5916,7 @@ (define-public hypre-openmpi
 (define-public matio
   (package
     (name "matio")
-    (version "1.5.19")
+    (version "1.5.23")
     (source
      (origin
        (method url-fetch)
@@ -5924,7 +5924,7 @@ (define-public matio
                            "matio-" version ".tar.gz"))
        (sha256
         (base32
-         "0vr8c1mz1k6mz0sgh6n3scl5c3a71iqmy5fnydrgq504icj4vym4"))))
+         "0vjdkxn402gwrgbi5ii3n2ai01bjzzfb588iqd9ylinzc7kfm4cz"))))
     (build-system gnu-build-system)
     (arguments
      (list