diff --git a/CMakeLists.txt b/CMakeLists.txt
index b04ff00..3fe9c50 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -176,7 +176,11 @@ if(AARE_FETCH_MINUIT2)
   set(BUILD_TESTING
       OFF
       CACHE BOOL "")
+  set(MINUIT2_INSTALL
+      ON
+      CACHE BOOL "")
   FetchContent_MakeAvailable(Minuit2)
+
   set_property(TARGET Minuit2Math PROPERTY POSITION_INDEPENDENT_CODE ON)
   set_property(TARGET Minuit2 PROPERTY POSITION_INDEPENDENT_CODE ON)
 else()
@@ -245,17 +249,8 @@ if(AARE_FETCH_FMT)
   set(FMT_INSTALL
       ON
       CACHE BOOL "")
-  # set(FMT_CMAKE_DIR "")
   FetchContent_MakeAvailable(fmt)
   set_property(TARGET fmt PROPERTY POSITION_INDEPENDENT_CODE ON)
-  install(
-    TARGETS fmt
-    EXPORT ${project}-targets
-    LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
-    ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
-    RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
-    INCLUDES
-    DESTINATION ${CMAKE_INSTALL_INCLUDEDIR})
 else()
   find_package(fmt 6 REQUIRED)
 endif()
@@ -268,10 +263,6 @@ if(AARE_FETCH_JSON)
       ON
       CACHE BOOL "")
   FetchContent_MakeAvailable(json)
-  set(NLOHMANN_JSON_TARGET_NAME nlohmann_json)
-
-  install(TARGETS nlohmann_json EXPORT "${TARGETS_EXPORT_NAME}")
-  message(STATUS "target: ${NLOHMANN_JSON_TARGET_NAME}")
 else()
   find_package(nlohmann_json 3.11.3 REQUIRED)
 endif()
diff --git a/include/aare/ClusterFile.hpp b/include/aare/ClusterFile.hpp
index db0a694..885d4b4 100644
--- a/include/aare/ClusterFile.hpp
+++ b/include/aare/ClusterFile.hpp
@@ -383,7 +383,7 @@ ClusterFile<ClusterType, Enable>::read_frame_without_cut() {
             "Unexpected error (not feof or ferror) when reading frame number");
     }
 
-    int32_t n_clusters; // Saved as 32bit integer in the cluster file
+    uint32_t n_clusters;
     if (fread(&n_clusters, sizeof(n_clusters), 1, fp) != 1) {
         throw std::runtime_error(LOCATION +
                                  "Could not read number of clusters");
diff --git a/python/CMakeLists.txt b/python/CMakeLists.txt
index 6d3ff60..4cb6d17 100644
--- a/python/CMakeLists.txt
+++ b/python/CMakeLists.txt
@@ -34,6 +34,7 @@ target_include_directories(
 # List of python files to be copied to the build directory
 set(PYTHON_FILES
     aare/__init__.py
+    aare/_version.py
     aare/CtbRawFile.py
     aare/ClusterFinder.py
     aare/ClusterVector.py
diff --git a/python/aare/__init__.py b/python/aare/__init__.py
index 33c499d..256fff7 100644
--- a/python/aare/__init__.py
+++ b/python/aare/__init__.py
@@ -13,6 +13,7 @@ from ._aare import corner
 
 # from ._aare import ClusterFinderMT, ClusterCollector, ClusterFileSink, ClusterVector_i
 
+from ._version import __version__
 from .ClusterFinder import ClusterFinder, ClusterCollector, ClusterFinderMT, ClusterFileSink, ClusterFile
 from .ClusterVector import ClusterVector
 from .Cluster import Cluster
diff --git a/python/aare/_version.py b/python/aare/_version.py
new file mode 100644
index 0000000..d8e2b01
--- /dev/null
+++ b/python/aare/_version.py
@@ -0,0 +1,8 @@
+# This file is used to get the version of the package from the VERSION file
+from importlib.metadata import PackageNotFoundError, version
+from pathlib import Path
+
+try:
+    __version__ = version('aare')
+except PackageNotFoundError:
+    __version__ = Path(__file__).parents[2].joinpath('VERSION').read_text().strip()
\ No newline at end of file