diff --git a/.space/CODEOWNERS b/.space/CODEOWNERS
index 9a1acb41bf8..e851913c3a6 100644
--- a/.space/CODEOWNERS
+++ b/.space/CODEOWNERS
@@ -28,6 +28,9 @@
 /.space/ "Kotlin Build Infrastructure"
 
 /analysis/ "Kotlin IDE"
+/analysis/analysis-api-fir/src/org/jetbrains/kotlin/analysis/api/fir/diagnostics/KtFirDiagnostics.kt "Kotlin Compiler Core"
+/analysis/analysis-api-fir/src/org/jetbrains/kotlin/analysis/api/fir/diagnostics/KtFirDiagnosticsImpl.kt "Kotlin Compiler Core"
+/analysis/analysis-api-fir/src/org/jetbrains/kotlin/analysis/api/fir/diagnostics/KtFirDataClassConverters.kt "Kotlin Compiler Core"
 
 # UNKNOWN: /annotations/