diff --git a/configure.ac b/configure.ac
index 63aeee151..670477fae 100644
--- a/configure.ac
+++ b/configure.ac
@@ -119,8 +119,8 @@ if test x$have_srclib == xyes; then
   AC_SUBST(OGSCRYPT_CFLAGS, '-I$(top_srcdir)/lib/ogslib/src')
   AC_SUBST(OGSCRYPT_LIBS, '$(top_srcdir)/lib/ogslib/src/crypt/libogscrypt-1.0.la')
 else
-  PKG_CHECK_MODULES(OGSCORE, ogscore-1.0 >= 1.1.0)
-  PKG_CHECK_MODULES(OGSCRYPT, ogscrypt-1.0 >= 1.1.0)
+  PKG_CHECK_MODULES(OGSCORE, ogscore-1.0 >= 1.3.0)
+  PKG_CHECK_MODULES(OGSCRYPT, ogscrypt-1.0 >= 1.3.0)
 fi
 AM_CONDITIONAL([WITH_SRCLIB], [test x$have_srclib = xyes])
 
diff --git a/debian/changelog b/debian/changelog
index 84f6278d5..5a449ff77 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,9 @@
+nextepc (0.6.0) unstable; urgency=medium
+
+  * Re-factorting all the library
+
+ -- Sukchan Lee <acetcom@gmail.com>  Fri, 13 Sep 2019 12:14:08 +0000
+
 nextepc (0.5.2~disco) disco; urgency=medium
 
   * Bug Fixed
diff --git a/debian/control b/debian/control
index e63660a99..1e4b0e2c7 100644
--- a/debian/control
+++ b/debian/control
@@ -12,7 +12,7 @@ Build-Depends: debhelper (>= 9),
                libtool,
                flex,
                bison,
-               libogslib-dev (>= 1.2.1),
+               libogslib-dev (>= 1.3.0),
                libgnutls28-dev,
                libgcrypt-dev,
                libssl-dev,