diff --git a/multimedia/mjpg-streamer/Makefile b/multimedia/mjpg-streamer/Makefile
index 8458647c16..2bc5ad2e7f 100644
--- a/multimedia/mjpg-streamer/Makefile
+++ b/multimedia/mjpg-streamer/Makefile
@@ -183,9 +183,9 @@ CAMBOZOLA:=cambozola-0.936.tar.gz
 # Using the OpenWrt mirror provides a stable version
 #      orig-URL:=http://www.andywilcock.com/code/cambozola
 define Download/cambozola
-  URL:=http://mirror2.openwrt.org/sources
+  URL:=https://sources.openwrt.org/
   FILE:=$(CAMBOZOLA)
-  MD5SUM:=35c45188aa9635aef2b745c35c311396
+  HASH:=4e4e92d95673edd051e6b4d36bed8c5328873f5fc374073760b457d4be33415b
 endef
 
 # redefine prepare to extract to our build dir
diff --git a/net/usbip/Makefile b/net/usbip/Makefile
index 8910a1b603..6050076908 100644
--- a/net/usbip/Makefile
+++ b/net/usbip/Makefile
@@ -14,11 +14,11 @@ PKG_LICENSE:=GPL-2.0
 
 # Since kernel 2.6.39.1 userspace tools are inside the kernel tree
 # Package Automatic match version in kernel
-# MD5SUM is not useful kernel package already check it
+# HASH is not useful kernel package already check it
 PKG_VERSION:=$(shell  sed -n -e '/^AC_INIT/s/.*\[\([[:digit:]\.]*\)\].*/\1/gp' $(LINUX_DIR)/tools/usb/usbip/configure.ac)
 PKG_SOURCE:=
 PKG_SOURCE_URL:=
-PKG_MD5SUM:=unknown
+PKG_HASH:=unknown
 
 PKG_MAINTAINER:=Nuno Goncalves <nunojpg@gmail.com>
 
diff --git a/sound/pianod/Makefile b/sound/pianod/Makefile
index 0ff900248d..d0a6054780 100644
--- a/sound/pianod/Makefile
+++ b/sound/pianod/Makefile
@@ -65,7 +65,7 @@ PIANOD_CLIENT:=pianod-client-compiled-51.tar.gz
 define Download/pianod-client
   URL:=http://deviousfish.com/Downloads/pianod/
   FILE:=$(PIANOD_CLIENT)
-  MD5SUM:=abbdee5627bcee6a00c8304da8b4e2e7
+  HASH:=1596ec2da30992e4008bbd6654333b025165399c3c7e22078f35bee6a438c5ad
 endef
 
 define Package/pianod/conffiles
diff --git a/utils/bluelog/Makefile b/utils/bluelog/Makefile
index 15d0214410..3c60d6108d 100644
--- a/utils/bluelog/Makefile
+++ b/utils/bluelog/Makefile
@@ -18,7 +18,7 @@ PKG_BUILD_DIR:=$(BUILD_DIR)/Bluelog-$(PKG_VERSION)
 
 OUI_SOURCE:=oui-2016-05-30.txt.gz
 OUI_URL:=https://sources.openwrt.org/
-OUI_MD5SUM:=38048729fdb5a7a7e0c5db6a51dc2dd1
+OUI_HASH:=19d0b02eeb0d42507ee17b637a295782c14956fe1ac4803589ed93ef92c4fad5
 
 PKG_LICENSE:=GPL-2.0
 PKG_LICENSE_FILES:=COPYING
@@ -67,7 +67,7 @@ endef
 define Download/oui.txt
   FILE:=$(OUI_SOURCE)
   URL:=$(OUI_URL)
-  MD5SUM:=$(OUI_MD5SUM)
+  HASH:=$(OUI_HASH)
 endef
 
 TARGET_CFLAGS += -DOPENWRT