diff --git a/BUILD.md b/BUILD.md
index d0704acd..862082bd 100644
--- a/BUILD.md
+++ b/BUILD.md
@@ -5,7 +5,7 @@
 ```sh
 # -DBUILD_SHARED_LIBS=ON
 rm -rf mpitrampoline $HOME/src/c/MPIstuff/mpitrampoline
-cmake -S . -B mpitrampoline -G Ninja -DCMAKE_C_COMPILER=gcc-mp-12 -DCMAKE_CXX_COMPILER=g++-mp-12 -DCMAKE_Fortran_COMPILER=gfortran-mp-12 -DCMAKE_BUILD_TYPE=Debug -DCMAKE_INSTALL_PREFIX=$HOME/src/c/MPIstuff/mpitrampoline
+cmake -B mpitrampoline -G Ninja -DCMAKE_C_COMPILER=gcc -DCMAKE_CXX_COMPILER=g++ -DCMAKE_Fortran_COMPILER=gfortran -DCMAKE_BUILD_TYPE=Debug -DCMAKE_INSTALL_PREFIX=$HOME/src/c/MPIstuff/mpitrampoline
 cmake --build mpitrampoline && cmake --install mpitrampoline
 ```
 
diff --git a/CITATION.cff b/CITATION.cff
index 9a17b2a2..ef5ed6b1 100644
--- a/CITATION.cff
+++ b/CITATION.cff
@@ -5,6 +5,6 @@ authors:
     given-names: Erik
     orcid: https://orcid.org/0000-0002-4518-9017
 title: MPItrampoline
-version: v5.4.1
+version: v5.5.0
 doi: 10.5281/zenodo.6174408
-date-released: 2024-08-29
+date-released: 2024-09-25
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 84eccc5c..b1dcf704 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,6 +1,6 @@
 cmake_minimum_required(VERSION 3.12...3.20)
 project(
-  MPItrampoline VERSION 5.4.1
+  MPItrampoline VERSION 5.5.0
   DESCRIPTION "MPI trampoline"
   HOMEPAGE_URL "https://github.com/eschnett/MPItrampoline"
   LANGUAGES NONE
diff --git a/src/mpi.c b/src/mpi.c
index 031a536c..4de79398 100644
--- a/src/mpi.c
+++ b/src/mpi.c
@@ -504,6 +504,13 @@ static void *load_library(const char *const libname) {
     assert(0);
   }
 
+#elif __FreeBSD__
+
+  // dlmopen is not supported, always use dlopen instead
+  if (verbose)
+    fprintf(stderr, "[MPItrampoline] Calling dlopen\n");
+  handle = dlopen(libname, dlopen_flags | RTLD_LOCAL | RTLD_DEEPBIND);
+
 #else
 #error "Unsupported operating system"
 #endif