diff --git a/CMakeLists.txt b/CMakeLists.txt
index cc25109..6d3af3d 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,5 +1,18 @@
 cmake_minimum_required(VERSION 3.22)
-project(dpm-core VERSION 1.0.0 LANGUAGES CXX)
+
+# libdpm-core.so's version is declared in src/core/version.cpp, the file
+# that reports it. The build reads that declaration rather than carrying
+# its own copy, so the soname, the artifact filenames, and the version
+# the library answers with all derive from one line of source.
+file(READ src/core/version.cpp DPM_VERSION_SOURCE)
+string(REGEX MATCH "DPM_CORE_VERSION_STR[ \t]+\"([0-9]+\\.[0-9]+\\.[0-9]+)\""
+        DPM_VERSION_MATCH "${DPM_VERSION_SOURCE}")
+if(NOT CMAKE_MATCH_1)
+    message(FATAL_ERROR
+            "No DPM_CORE_VERSION_STR found in src/core/version.cpp")
+endif()
+
+project(dpm-core VERSION ${CMAKE_MATCH_1} LANGUAGES CXX)
 
 set(CMAKE_CXX_STANDARD 20)
 set(CMAKE_CXX_STANDARD_REQUIRED ON)
@@ -35,9 +48,8 @@ set_property(TARGET dpm-core APPEND PROPERTY
 target_link_libraries(dpm-core PRIVATE ${CMAKE_DL_LIBS})
 
 set_target_properties(dpm-core PROPERTIES
-        OUTPUT_NAME "dpm-core"
         VERSION ${PROJECT_VERSION}
-        SOVERSION 1
+        SOVERSION ${PROJECT_VERSION_MAJOR}
         LIBRARY_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/lib
 )