diff --git a/image-sharer/CMakeLists.txt b/image-sharer/CMakeLists.txt
index e8d84c92..470b2e82 100644
--- a/image-sharer/CMakeLists.txt
+++ b/image-sharer/CMakeLists.txt
@@ -13,5 +13,8 @@ target_link_libraries(ktpimagesharer
                       KF5::KIOWidgets
                       KTp::OTR
 )
+set_target_properties(ktpimagesharer PROPERTIES
+                      SOVERSION ${KTP_TEXT_UI_VERSION}
+)
 
 install(TARGETS ktpimagesharer ${KDE_INSTALL_TARGETS_DEFAULT_ARGS})
diff --git a/lib/CMakeLists.txt b/lib/CMakeLists.txt
index 5783d5e7..f48bd40d 100644
--- a/lib/CMakeLists.txt
+++ b/lib/CMakeLists.txt
@@ -34,6 +34,9 @@ set(ktpchat_UI
 ki18n_wrap_ui(ktpchat_SRCS ${ktpchat_UI})
 
 add_library(ktpchat SHARED ${ktpchat_SRCS})
+set_target_properties(ktpchat PROPERTIES
+    SOVERSION ${KTP_TEXT_UI_VERSION}
+)
 
 target_link_libraries(ktpchat
     KF5::KIOWidgets