diff --git a/srcpkgs/flatbuffers/patches/install.patch b/srcpkgs/flatbuffers/patches/install.patch
new file mode 100644
index 00000000000..6669eaffaa8
--- /dev/null
+++ b/srcpkgs/flatbuffers/patches/install.patch
@@ -0,0 +1,20 @@
+--- CMakeLists.txt
++++ CMakeLists.txt
+@@ -320,7 +320,7 @@ if(FLATBUFFERS_INSTALL)
+     install(
+       TARGETS flatc EXPORT FlatcTargets
+       RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
+-      CONFIGURATIONS Release
++      CONFIGURATIONS Release RelWithDebInfo
+     )
+ 
+     install(
+@@ -328,7 +328,7 @@ if(FLATBUFFERS_INSTALL)
+       FILE FlatcTargets.cmake
+       NAMESPACE flatbuffers::
+       DESTINATION ${FB_CMAKE_DIR}
+-      CONFIGURATIONS Release
++      CONFIGURATIONS Release RelWithDebInfo
+     )
+   endif()
+