diff --git a/mpi-hs.cabal b/mpi-hs.cabal
--- a/mpi-hs.cabal
+++ b/mpi-hs.cabal
@@ -2,10 +2,10 @@
 --
 -- see: https://github.com/sol/hpack
 --
--- hash: 56b0d5d26cff8ef0c8754f17c3ab3709be1da2be1a0567c8d8a5b779b4b44e01
+-- hash: 761b31486948877bf0190f33f0275f4bd5e03c3bc4b5ee323afbe6fe1324f05e
 
 name:           mpi-hs
-version:        0.3.0.0
+version:        0.3.1.0
 synopsis:       MPI bindings for Haskell
 description:    MPI (the [Message Passing Interface](https://www.mpi-forum.org)) is
                 widely used standard for distributed-memory programming on HPC (High
diff --git a/package.yaml b/package.yaml
--- a/package.yaml
+++ b/package.yaml
@@ -1,5 +1,5 @@
 name: mpi-hs
-version: '0.3.0.0'
+version: '0.3.1.0'
 github: "eschnett/mpi-hs"
 license: Apache-2.0
 author: "Erik Schnetter <schnetter@gmail.com>"
diff --git a/stack.yaml b/stack.yaml
--- a/stack.yaml
+++ b/stack.yaml
@@ -1,5 +1,5 @@
 # Resolver to choose a 'specific' stackage snapshot or a compiler version.
-resolver: lts-12.13
+resolver: lts-12.14
 
 # User packages to be built.
 packages: