diff --git a/Project.toml b/Project.toml
index 1dcd7f039d..ed9e7a3b8e 100644
--- a/Project.toml
+++ b/Project.toml
@@ -1,7 +1,7 @@
 name = "Trixi"
 uuid = "a7f1ee26-1774-49b1-8366-f1abc58fbfcb"
 authors = ["Michael Schlottke-Lakemper <mschlott@math.uni-koeln.de>", "Gregor Gassner <ggassner@uni-koeln.de>", "Hendrik Ranocha <mail@ranocha.de>", "Andrew R. Winters <andrew.ross.winters@liu.se>"]
-version = "0.3.18-pre"
+version = "0.3.18"
 
 [deps]
 DiffEqBase = "2b5f629d-d688-5b77-993f-72d75c75574e"
@@ -29,7 +29,7 @@ ForwardDiff = "0.10"
 HDF5 = "0.14, 0.15"
 LinearMaps = "2.7, 3.0"
 LoopVectorization = "0.11.1"
-MPI = "0.16"
+MPI = "0.16, 0.17"
 OffsetArrays = "1.3"
 RecipesBase = "1.1"
 Reexport = "1.0"
diff --git a/README.md b/README.md
index 38f4e4413c..656dcfa93b 100644
--- a/README.md
+++ b/README.md
@@ -6,7 +6,7 @@
 [![Coveralls](https://coveralls.io/repos/github/trixi-framework/Trixi.jl/badge.svg?branch=main)](https://coveralls.io/github/trixi-framework/Trixi.jl?branch=main)
 [![License: MIT](https://img.shields.io/badge/License-MIT-success.svg)](https://opensource.org/licenses/MIT)
 [![DOI](https://zenodo.org/badge/DOI/10.5281/zenodo.3996439.svg)](https://doi.org/10.5281/zenodo.3996439)
-[![GitHub commits since tagged version](https://img.shields.io/github/commits-since/trixi-framework/Trixi.jl/v0.3.17.svg?style=social&logo=github)](https://github.com/trixi-framework/Trixi.jl)
+[![GitHub commits since tagged version](https://img.shields.io/github/commits-since/trixi-framework/Trixi.jl/v0.3.18.svg?style=social&logo=github)](https://github.com/trixi-framework/Trixi.jl)
 <!-- [![PkgEval](https://juliaci.github.io/NanosoldierReports/pkgeval_badges/T/Trixi.svg)](https://juliaci.github.io/NanosoldierReports/pkgeval_badges/report.html) -->
 <!-- [![Codecov](https://codecov.io/gh/trixi-framework/Trixi.jl/branch/main/graph/badge.svg)](https://codecov.io/gh/trixi-framework/Trixi.jl) -->
 
diff --git a/test/Project.toml b/test/Project.toml
index f53be0b65f..3a02875c22 100644
--- a/test/Project.toml
+++ b/test/Project.toml
@@ -10,7 +10,7 @@ Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"
 
 [compat]
 Documenter = "0.26"
-MPI = "0.15, 0.16"
+MPI = "0.16, 0.17"
 OrdinaryDiffEq = "5.44 - 5.50, 5.51.1"
 Plots = "1.9"
 SimpleMock = "1.2"