diff --git a/CMake/CMakeLists_legacy.cmake.in b/CMake/CMakeLists_legacy.cmake.in
index 9e1af2bff..5d70577ae 100644
--- a/CMake/CMakeLists_legacy.cmake.in
+++ b/CMake/CMakeLists_legacy.cmake.in
@@ -438,14 +438,12 @@ endif()
 if(FLATBUFFERS_BUILD_SHAREDLIB)
   add_library(flatbuffers_shared SHARED ${FlatBuffers_Library_SRCS})
 
-  # Shared object version: "major.minor.micro"
-  # - micro updated every release when there is no API/ABI changes
-  # - minor updated when there are additions in API/ABI
-  # - major (ABI number) updated when there are changes in ABI (or removals)
-  set(FlatBuffers_Library_SONAME_MAJOR ${VERSION_MAJOR})
-  set(FlatBuffers_Library_SONAME_FULL "${FlatBuffers_Library_SONAME_MAJOR}.${VERSION_MINOR}.${VERSION_PATCH}")
+  # FlatBuffers use calendar-based versioning and do not provide any ABI
+  # stability guarantees. Therefore, always use the full version as SOVERSION
+  # in order to avoid breaking reverse dependencies on upgrades.
+  set(FlatBuffers_Library_SONAME_FULL "${PROJECT_VERSION}")
   set_target_properties(flatbuffers_shared PROPERTIES OUTPUT_NAME flatbuffers
-                        SOVERSION "${FlatBuffers_Library_SONAME_MAJOR}"
+                        SOVERSION "${FlatBuffers_Library_SONAME_FULL}"
                         VERSION "${FlatBuffers_Library_SONAME_FULL}")
   if(FLATBUFFERS_ENABLE_PCH)
     add_pch_to_target(flatbuffers_shared include/flatbuffers/pch/pch.h)
diff --git a/CMakeLists.txt b/CMakeLists.txt
index c56fb381c..2310c8351 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -525,14 +525,12 @@ endif()
 if(FLATBUFFERS_BUILD_SHAREDLIB)
   add_library(flatbuffers_shared SHARED ${FlatBuffers_Library_SRCS})
   target_link_libraries(flatbuffers_shared PRIVATE $<BUILD_INTERFACE:ProjectConfig>)
-  # Shared object version: "major.minor.micro"
-  # - micro updated every release when there is no API/ABI changes
-  # - minor updated when there are additions in API/ABI
-  # - major (ABI number) updated when there are changes in ABI (or removals)
-  set(FlatBuffers_Library_SONAME_MAJOR ${VERSION_MAJOR})
-  set(FlatBuffers_Library_SONAME_FULL "${FlatBuffers_Library_SONAME_MAJOR}.${VERSION_MINOR}.${VERSION_PATCH}")
+  # FlatBuffers use calendar-based versioning and do not provide any ABI
+  # stability guarantees. Therefore, always use the full version as SOVERSION
+  # in order to avoid breaking reverse dependencies on upgrades.
+  set(FlatBuffers_Library_SONAME_FULL "${PROJECT_VERSION}")
   set_target_properties(flatbuffers_shared PROPERTIES OUTPUT_NAME flatbuffers
-                        SOVERSION "${FlatBuffers_Library_SONAME_MAJOR}"
+                        SOVERSION "${FlatBuffers_Library_SONAME_FULL}"
                         VERSION "${FlatBuffers_Library_SONAME_FULL}")
   if(FLATBUFFERS_ENABLE_PCH)
     add_pch_to_target(flatbuffers_shared include/flatbuffers/pch/pch.h)