diff --git a/gnu/packages/maths.scm b/gnu/packages/maths.scm
index cd6f5780d5..3a5ee0ac61 100644
--- a/gnu/packages/maths.scm
+++ b/gnu/packages/maths.scm
@@ -1692,7 +1692,7 @@ (define-public maxflow
 (define-public petsc
   (package
     (name "petsc")
-    (version "3.10.4")
+    (version "3.11.2")
     (source
      (origin
       (method url-fetch)
@@ -1700,7 +1700,7 @@ (define-public petsc
       (uri (string-append "http://ftp.mcs.anl.gov/pub/petsc/release-snapshots/"
                           "petsc-lite-" version ".tar.gz"))
       (sha256
-       (base32 "0fk16944zh3473ra198kdkxdn08rq7b6ap838hxy1mh1i0hb488r"))))
+       (base32 "1645nwwcp9bcnfnxikk480mhbbacdvhsay2c401818hk97dqj5nx"))))
     (outputs '("out"                    ; libraries and headers
                "examples"))             ; ~30MiB of examples
     (build-system gnu-build-system)