diff -up libharu-2.4.2/src/CMakeLists.txt.soname libharu-2.4.2/src/CMakeLists.txt
--- libharu-2.4.2/src/CMakeLists.txt.soname	2022-10-04 20:54:26.641706094 -0600
+++ libharu-2.4.2/src/CMakeLists.txt	2022-10-04 20:57:37.804353062 -0600
@@ -73,6 +73,8 @@ set(
 # create hpdf library
 # =======================================================================
 add_library(hpdf ${LIBHPDF_SRCS})
+# Fedora - set soname since upstream doesn't care about ABI compatibility
+set_target_properties(hpdf PROPERTIES SOVERSION ${PROJECT_VERSION})
 if (PNG_FOUND)
     include_directories (${PNG_INCLUDE_DIRS})
     target_link_libraries (hpdf ${PNG_LIBRARIES})