diff --git a/contrib/gitian-descriptors/gitian-osx.yml b/contrib/gitian-descriptors/gitian-osx.yml
index 794a82af8..b899e0d5d 100644
--- a/contrib/gitian-descriptors/gitian-osx.yml
+++ b/contrib/gitian-descriptors/gitian-osx.yml
@@ -27,7 +27,7 @@ files:
 - "MacOSX10.9.sdk.tar.gz"
 script: |
   WRAP_DIR=$HOME/wrapped
-  HOSTS="x86_64-apple-darwin11"
+  HOSTS="x86_64-apple-darwin14"
   CONFIGFLAGS="--enable-reduce-exports --disable-bench GENISOIMAGE=$WRAP_DIR/genisoimage"
   FAKETIME_HOST_PROGS=""
   FAKETIME_PROGS="ar ranlib date dmg genisoimage"
diff --git a/depends/Makefile b/depends/Makefile
index 524c8eb93..1a9e27427 100644
--- a/depends/Makefile
+++ b/depends/Makefile
@@ -153,7 +153,7 @@ install: check-packages $(host_prefix)/share/config.site
 download-one: check-sources $(all_sources)
 
 download-osx:
-	@$(MAKE) -s HOST=x86_64-apple-darwin11 download-one
+	@$(MAKE) -s HOST=x86_64-apple-darwin14 download-one
 download-linux:
 	@$(MAKE) -s HOST=x86_64-unknown-linux-gnu download-one
 download-win:
diff --git a/depends/README.md b/depends/README.md
index 1b976af7e..012b70ff8 100644
--- a/depends/README.md
+++ b/depends/README.md
@@ -22,8 +22,11 @@ Common `host-platform-triplets` for cross compilation are:
 
 - `i686-w64-mingw32` for Win32
 - `x86_64-w64-mingw32` for Win64
-- `x86_64-apple-darwin11` for MacOSX
-- `arm-linux-gnueabihf` for Linux ARM
+- `x86_64-apple-darwin14` for macOS
+- `arm-linux-gnueabihf` for Linux ARM 32 bit
+- `aarch64-linux-gnu` for Linux ARM 64 bit
+- `riscv32-linux-gnu` for Linux RISC-V 32 bit
+- `riscv64-linux-gnu` for Linux RISC-V 64 bit
 
 No other options are needed, the paths are automatically configured.
 
diff --git a/depends/hosts/darwin.mk b/depends/hosts/darwin.mk
index 939988197..bb34f7344 100644
--- a/depends/hosts/darwin.mk
+++ b/depends/hosts/darwin.mk
@@ -1,4 +1,4 @@
-OSX_MIN_VERSION=10.8
+OSX_MIN_VERSION=10.10
 OSX_SDK_VERSION=10.11
 OSX_SDK=$(SDK_PATH)/MacOSX$(OSX_SDK_VERSION).sdk
 LD64_VERSION=253.9