diff --git a/package/dovecot/Config.in b/package/dovecot/Config.in
index 20b08b62be..c94421526f 100644
--- a/package/dovecot/Config.in
+++ b/package/dovecot/Config.in
@@ -2,6 +2,7 @@ config BR2_PACKAGE_DOVECOT
 	bool "dovecot"
 	depends on !BR2_STATIC_LIBS
 	depends on BR2_USE_MMU # fork()
+	select BR2_PACKAGE_LIBXCRYPT if BR2_TOOLCHAIN_USES_GLIBC
 	select BR2_PACKAGE_OPENSSL
 	select BR2_PACKAGE_ZLIB
 	help
diff --git a/package/dovecot/dovecot.mk b/package/dovecot/dovecot.mk
index f90996fdd7..b8652900d0 100644
--- a/package/dovecot/dovecot.mk
+++ b/package/dovecot/dovecot.mk
@@ -73,6 +73,10 @@ else
 DOVECOT_CONF_OPTS += --without-sodium
 endif
 
+ifeq ($(BR2_PACKAGE_LIBXCRYPT),y)
+DOVECOT_DEPENDENCIES += libxcrypt
+endif
+
 ifeq ($(BR2_PACKAGE_LINUX_PAM),y)
 DOVECOT_CONF_OPTS += --with-pam
 DOVECOT_DEPENDENCIES += linux-pam