diff --git a/CMakeLists.txt b/CMakeLists.txt
index 55357bd..861e9bc 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -37,7 +37,6 @@ add_subdirectory(indexer)
 add_subdirectory(data)
 add_subdirectory(tests)
 add_subdirectory(python)
-add_subdirectory(examples/crystfel-integration)
 
 MESSAGE("ENV ${fast_feedback_indexer_ENV_SETUP}")
 configure_file(setup-env.sh.in
diff --git a/data/CMakeLists.txt b/data/CMakeLists.txt
index 6f1a488..c01ac80 100644
--- a/data/CMakeLists.txt
+++ b/data/CMakeLists.txt
@@ -1,3 +1 @@
-project(data_top)
-
 add_subdirectory(simple)
diff --git a/data/simple/CMakeLists.txt b/data/simple/CMakeLists.txt
index 0b303e7..81987ec 100644
--- a/data/simple/CMakeLists.txt
+++ b/data/simple/CMakeLists.txt
@@ -1,5 +1,3 @@
-project(simple_data_top)
-
 add_subdirectory(reader)
 
 option(INSTALL_SIMPLE_DATA_FILES "Install simple data files" OFF)
diff --git a/data/simple/reader/CMakeLists.txt b/data/simple/reader/CMakeLists.txt
index ee81005..febd4f0 100644
--- a/data/simple/reader/CMakeLists.txt
+++ b/data/simple/reader/CMakeLists.txt
@@ -1,3 +1 @@
-project(simple_data_reader_top "CXX")
-
 add_subdirectory(src)
diff --git a/data/simple/reader/src/CMakeLists.txt b/data/simple/reader/src/CMakeLists.txt
index d077670..089b819 100644
--- a/data/simple/reader/src/CMakeLists.txt
+++ b/data/simple/reader/src/CMakeLists.txt
@@ -12,7 +12,7 @@ if(BUILD_SIMPLE_DATA_READER)
         set(simple_data_PUB_HEADER_LIST ffbidx/simple_data.h)
         add_library(simple_data INTERFACE)
         set_target_properties(simple_data PROPERTIES
-                VERSION 1.0.0)
+                VERSION ${PROJECT_VERSION})
         target_compile_features(simple_data INTERFACE cxx_std_17)
         target_sources(simple_data INTERFACE ${simple_data_PUB_HEADER_LIST})
         target_include_directories(simple_data INTERFACE .)
diff --git a/data/simple/reader/src/set-version.sh b/data/simple/reader/src/set-version.sh
new file mode 100755
index 0000000..80aa02e
--- /dev/null
+++ b/data/simple/reader/src/set-version.sh
@@ -0,0 +1,16 @@
+function usage() {
+    echo "usage: $0 [version]"
+    echo
+    echo "Replace version strings with new version"
+    exit -1
+}
+
+if (($# == 0)); then
+    grep VERSION meson.build
+elif (($# == 1)); then
+    echo "replace version strings by $1"
+    sed -i 's/VERSION\(.*\)\w\.\w\.\w/VERSION\1'"$1"'/' CMakeLists.txt
+    sed -i 's/VERSION\(.*\)\w\.\w\.\w/VERSION\1'"$1"'/' meson.build
+else
+    usage
+fi
diff --git a/indexer/CMakeLists.txt b/indexer/CMakeLists.txt
index 8a891a9..febd4f0 100644
--- a/indexer/CMakeLists.txt
+++ b/indexer/CMakeLists.txt
@@ -1,3 +1 @@
-project(indexer_top)
-
 add_subdirectory(src)
diff --git a/indexer/src/CMakeLists.txt b/indexer/src/CMakeLists.txt
index 62e3ebc..ee3f123 100644
--- a/indexer/src/CMakeLists.txt
+++ b/indexer/src/CMakeLists.txt
@@ -2,7 +2,7 @@ cmake_policy(SET CMP0048 NEW)
 
 project(fast_indexer
         DESCRIPTION "Library for fast feedback indexing using brute force sampling"
-        VERSION 0.1.0
+        VERSION 1.0.0
         LANGUAGES CXX CUDA)
 
 option(BUILD_FAST_INDEXER "Build fast indexer library" ON)
@@ -74,8 +74,8 @@ if(BUILD_FAST_INDEXER)
         add_dependencies(fast_indexer version_txt)
         set_target_properties(fast_indexer PROPERTIES
                 CUDA_RUNTIME_LIBRARY Shared
-                SOVERSION 0
-                VERSION 0.1.0
+                SOVERSION ${PROJECT_VERSION_MAJOR}
+                VERSION ${PROJECT_VERSION}
                 POSITION_INDEPENDENT_CODE ON)
         target_compile_features(fast_indexer PUBLIC cxx_std_17)
         target_include_directories(fast_indexer PUBLIC .)
@@ -111,7 +111,7 @@ if(BUILD_FAST_INDEXER_STATIC)
         add_dependencies(fast_indexer_static version_txt)
         set_target_properties(fast_indexer_static PROPERTIES
                 CUDA_RUNTIME_LIBRARY Static
-                VERSION 0.1.0)
+                VERSION ${PROJECT_VERSION})
         target_compile_features(fast_indexer_static PUBLIC cxx_std_17)
         target_include_directories(fast_indexer_static PUBLIC .)
         target_link_libraries(fast_indexer_static
diff --git a/indexer/src/meson.build b/indexer/src/meson.build
index ae43f3a..225b82c 100644
--- a/indexer/src/meson.build
+++ b/indexer/src/meson.build
@@ -29,7 +29,7 @@ if get_option('build-ffbidx').enabled()
     endif
 
     conf_data = configuration_data()
-    conf_data.set('PROJECT_VERSION', '0.1.0')
+    conf_data.set('PROJECT_VERSION', '1.0.0')
     conf_data.set('CMAKE_INSTALL_PREFIX', get_option('prefix'))
     conf_data.set('CMAKE_INSTALL_INCLUDEDIR', get_option('includedir'))
     conf_data.set('CMAKE_INSTALL_LIBDIR', get_option('libdir'))
diff --git a/indexer/src/set-version.sh b/indexer/src/set-version.sh
new file mode 100755
index 0000000..80aa02e
--- /dev/null
+++ b/indexer/src/set-version.sh
@@ -0,0 +1,16 @@
+function usage() {
+    echo "usage: $0 [version]"
+    echo
+    echo "Replace version strings with new version"
+    exit -1
+}
+
+if (($# == 0)); then
+    grep VERSION meson.build
+elif (($# == 1)); then
+    echo "replace version strings by $1"
+    sed -i 's/VERSION\(.*\)\w\.\w\.\w/VERSION\1'"$1"'/' CMakeLists.txt
+    sed -i 's/VERSION\(.*\)\w\.\w\.\w/VERSION\1'"$1"'/' meson.build
+else
+    usage
+fi
diff --git a/python/CMakeLists.txt b/python/CMakeLists.txt
index b18b8e0..febd4f0 100644
--- a/python/CMakeLists.txt
+++ b/python/CMakeLists.txt
@@ -1,3 +1 @@
-project(python_top)
-
 add_subdirectory(src)
diff --git a/python/src/CMakeLists.txt b/python/src/CMakeLists.txt
index 7adcf55..1abae1b 100644
--- a/python/src/CMakeLists.txt
+++ b/python/src/CMakeLists.txt
@@ -1,5 +1,6 @@
 project(python_impl
         DESCRIPTION "Python module"
+        VERSION 1.0.0
         LANGUAGES CXX)
 
 option(PYTHON_MODULE "Enable python module" OFF)
diff --git a/tests/CMakeLists.txt b/tests/CMakeLists.txt
index 4d0f6a7..febd4f0 100644
--- a/tests/CMakeLists.txt
+++ b/tests/CMakeLists.txt
@@ -1,3 +1 @@
-project(tests_top)
-
 add_subdirectory(src)
diff --git a/tests/src/CMakeLists.txt b/tests/src/CMakeLists.txt
index 2953426..1eb4764 100644
--- a/tests/src/CMakeLists.txt
+++ b/tests/src/CMakeLists.txt
@@ -1,5 +1,6 @@
 project(tests_impl
         DESCRIPTION "Tests"
+        VERSION 1.0.0
         LANGUAGES CXX CUDA)
 
 # ---- Indexer Tests ----