diff --git a/make/host-tools.mk b/make/host-tools.mk
index 4eeed65c..4b9e9b2d 100644
--- a/make/host-tools.mk
+++ b/make/host-tools.mk
@@ -142,7 +142,7 @@ HOST_TZDATA_URL    = ftp://ftp.iana.org/tz/releases
 #$(ARCHIVE)/$(HOST_TZDATA_SOURCE):
 #	$(DOWNLOAD) $(HOST_TZDATA_URL)/$(HOST_TZDATA_SOURCE)
 
-HOST_TZCODE_VER    = 2018e
+HOST_TZCODE_VER    = 2019b
 HOST_TZCODE_TMP    = tzcode$(HOST_TZCODE_VER)
 HOST_TZCODE_SOURCE = tzcode$(HOST_TZCODE_VER).tar.gz
 HOST_TZCODE_URL    = ftp://ftp.iana.org/tz/releases
@@ -150,8 +150,10 @@ HOST_TZCODE_URL    = ftp://ftp.iana.org/tz/releases
 $(ARCHIVE)/$(HOST_TZCODE_SOURCE):
 	$(DOWNLOAD) $(HOST_TZCODE_URL)/$(HOST_TZCODE_SOURCE)
 
-host-zic: $(HOST_DIR)/bin/zic
-$(HOST_DIR)/bin/zic: $(ARCHIVE)/$(HOST_TZDATA_SOURCE) $(ARCHIVE)/$(HOST_TZCODE_SOURCE) | $(HOST_DIR)/bin
+HOST_ZIC = $(HOST_DIR)/bin/zic
+
+host-zic: $(HOST_ZIC)
+$(HOST_ZIC): $(ARCHIVE)/$(HOST_TZDATA_SOURCE) $(ARCHIVE)/$(HOST_TZCODE_SOURCE) | $(HOST_DIR)/bin
 	$(REMOVE)/$(HOST_TZCODE_TMP)
 	$(MKDIR)/$(HOST_TZCODE_TMP)
 	$(CHDIR)/$(HOST_TZCODE_TMP); \
diff --git a/make/target-tools.mk b/make/target-tools.mk
index 703f7159..05fc96c6 100644
--- a/make/target-tools.mk
+++ b/make/target-tools.mk
@@ -131,7 +131,7 @@ $(D)/openssh: $(D)/openssl $(D)/zlib $(ARCHIVE)/$(OPENSSH_SOURCE) | $(TARGET_DIR
 
 # -----------------------------------------------------------------------------
 
-TZDATA_VER    = 2018e
+TZDATA_VER    = 2019b
 TZDATA_TMP    = tzdata$(TZDATA_VER)
 TZDATA_SOURCE = tzdata$(TZDATA_VER).tar.gz
 TZDATA_URL    = ftp://ftp.iana.org/tz/releases
@@ -149,13 +149,13 @@ else
   LOCALTIME = etc/localtime
 endif
 
-$(D)/tzdata: $(ARCHIVE)/$(TZDATA_SOURCE) | $(TARGET_DIR)
+$(D)/tzdata: $(HOST_ZIC) $(ARCHIVE)/$(TZDATA_SOURCE) | $(TARGET_DIR)
 	$(REMOVE)/$(TZDATA_TMP)
 	$(MKDIR)/$(TZDATA_TMP)
 	$(CHDIR)/$(TZDATA_TMP); \
 		tar -xf $(ARCHIVE)/$(TZDATA_SOURCE); \
 		unset ${!LC_*}; LANG=POSIX; LC_ALL=POSIX; export LANG LC_ALL; \
-		zic -d zoneinfo.tmp $(TZDATA_ZONELIST); \
+		$(HOST_ZIC) -d zoneinfo.tmp $(TZDATA_ZONELIST); \
 		mkdir zoneinfo; \
 		sed -n '/zone=/{s/.*zone="\(.*\)".*$$/\1/; p}' $(IMAGEFILES)/tzdata/timezone.xml | sort -u | \
 		while read x; do \