diff --git a/bind99-rh1205168.patch b/bind99-rh1205168.patch
new file mode 100644
index 0000000..d397ce2
--- /dev/null
+++ b/bind99-rh1205168.patch
@@ -0,0 +1,108 @@
+diff --git a/lib/irs/include/irs/netdb.h.in b/lib/irs/include/irs/netdb.h.in
+index 299928b..4f11cea 100644
+--- a/bind/bind/lib/irs/include/irs/netdb.h.in
++++ b/bind/bind/lib/irs/include/irs/netdb.h.in
+@@ -158,6 +158,100 @@ struct addrinfo {
+ #define	NI_DGRAM	0x00000010
+ 
+ /*
++ * Define to map into irs_ namespace.
++ */
++
++#define IRS_NAMESPACE
++
++#ifdef IRS_NAMESPACE
++
++/*
++ * Use our versions not the ones from the C library.
++ */
++
++#ifdef getnameinfo
++#undef getnameinfo
++#endif
++#define getnameinfo irs_getnameinfo
++
++#ifdef getaddrinfo
++#undef getaddrinfo
++#endif
++#define getaddrinfo irs_getaddrinfo
++
++#ifdef freeaddrinfo
++#undef freeaddrinfo
++#endif
++#define freeaddrinfo irs_freeaddrinfo
++
++#ifdef gai_strerror
++#undef gai_strerror
++#endif
++#define gai_strerror irs_gai_strerror
++
++#endif
++
++extern int getaddrinfo (const char *name,
++			const char *service,
++			const struct addrinfo *req,
++			struct addrinfo **pai);
++extern int getnameinfo (const struct sockaddr *sa,
++			socklen_t salen, char *host,
++			socklen_t hostlen, char *serv,
++			socklen_t servlen, int flags);
++extern void freeaddrinfo (struct addrinfo *ai);
++extern const char *gai_strerror (int ecode);
++
++/*
++ * Define to map into irs_ namespace.
++ */
++
++#define IRS_NAMESPACE
++
++#ifdef IRS_NAMESPACE
++
++/*
++ * Use our versions not the ones from the C library.
++ */
++
++#ifdef getnameinfo
++#undef getnameinfo
++#endif
++#define getnameinfo irs_getnameinfo
++
++#ifdef getaddrinfo
++#undef getaddrinfo
++#endif
++#define getaddrinfo irs_getaddrinfo
++
++#ifdef freeaddrinfo
++#undef freeaddrinfo
++#endif
++#define freeaddrinfo irs_freeaddrinfo
++
++#ifdef gai_strerror
++#undef gai_strerror
++#endif
++#define gai_strerror irs_gai_strerror
++
++int
++getaddrinfo(const char *hostname, const char *servname,
++	    const struct addrinfo *hints, struct addrinfo **res);
++
++int
++getnameinfo(const struct sockaddr *sa, IRS_GETNAMEINFO_SOCKLEN_T salen,
++	    char *host, IRS_GETNAMEINFO_BUFLEN_T hostlen,
++	    char *serv, IRS_GETNAMEINFO_BUFLEN_T servlen,
++	    IRS_GETNAMEINFO_FLAGS_T flags);
++
++void freeaddrinfo (struct addrinfo *ai);
++
++IRS_GAISTRERROR_RETURN_T
++gai_strerror(int ecode);
++
++#endif
++
++/*
+  * Tell Emacs to use C mode on this file.
+  * Local variables:
+  * mode: c
+-- 
+2.9.5
+
diff --git a/dhcp.spec b/dhcp.spec
index 6efdfd5..02cf5a7 100644
--- a/dhcp.spec
+++ b/dhcp.spec
@@ -15,7 +15,7 @@
 Summary:  Dynamic host configuration protocol software
 Name:     dhcp
 Version:  4.4.2
-Release:  12.b1%{?dist}
+Release:  13.b1%{?dist}
 
 # NEVER CHANGE THE EPOCH on this package.  The previous maintainer (prior to
 # dcantrell maintaining the package) made incorrect use of the epoch and
@@ -62,7 +62,7 @@ Patch26 : 0026-Add-dhclient-5-B-option-description.patch
 Patch27:  0027-Add-missed-sd-notify-patch-to-manage-dhcpd-with-syst.patch
 
 Patch100: dhcp-statement_parser.patch
-
+Patch101: bind99-rh1205168.patch
 
 
 BuildRequires: autoconf
@@ -513,6 +513,9 @@ done
 %endif
 
 %changelog
+* Mon Jun 14 2021 Pavel Zhukov <pzhukov@redhat.com> - 12:4.4.2-13.b1
+- Do not use getaddrinfo from rst lib (#1823749)
+
 * Fri Jun 11 2021 Pavel Zhukov <pzhukov@redhat.com> - 12:4.4.2-12.b1
 - Drop compat package finally