diff --git a/debian/changelog b/debian/changelog
index 245a812..b690322 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,10 @@
+libkysdk-base (2.2.0.1-1.1) unstable; urgency=medium
+
+  * Non-maintainer upload.
+  * Fix FTBFS with -Werror=implicit-function-declaration (Closes: #1066656).
+
+ -- Andrey Rakhmatullin <wrar@debian.org>  Sat, 30 Mar 2024 12:44:02 +0500
+
 libkysdk-base (2.2.0.1-1) unstable; urgency=medium
 
   * New upstream release.
diff --git a/src/config/libkyconf.c b/src/config/libkyconf.c
index f7a460f..46e5334 100644
--- a/src/config/libkyconf.c
+++ b/src/config/libkyconf.c
@@ -21,6 +21,9 @@
 
 #include "libkyconf.h"
 #include "structparse.h"
+#include "jsonparse.h"
+#include "gsettingsparse.h"
+#include "xmlparse.h"
 #include <kerr.h>
 #include <fcntl.h>
 #include <pthread.h>
diff --git a/src/log/writeFile.c b/src/log/writeFile.c
index c28525c..803108a 100644
--- a/src/log/writeFile.c
+++ b/src/log/writeFile.c
@@ -25,6 +25,7 @@
 #include <string.h>
 #include <stdio.h>
 #include <limits.h>
+#include <stdlib.h>
 
 static int verify_file(char *pFileName)
 {