diff --git a/src/Cargo.lock b/src/Cargo.lock
index 1360da5..138023f 100644
--- a/src/Cargo.lock
+++ b/src/Cargo.lock
@@ -200,7 +200,7 @@ dependencies = [
 [[package]]
 name = "libasync"
 version = "0.0.0"
-source = "git+https://git.m-labs.hk/M-Labs/zc706.git#ec252b099cf67a51ba9daa72b3292db8c21ba1b8"
+source = "git+https://git.m-labs.hk/M-Labs/zc706.git#6195ad40c334a847cd01cd4adadf6b8f8d730908"
 dependencies = [
  "embedded-hal",
  "libcortex_a9",
@@ -212,7 +212,7 @@ dependencies = [
 [[package]]
 name = "libboard_zynq"
 version = "0.0.0"
-source = "git+https://git.m-labs.hk/M-Labs/zc706.git#ec252b099cf67a51ba9daa72b3292db8c21ba1b8"
+source = "git+https://git.m-labs.hk/M-Labs/zc706.git#6195ad40c334a847cd01cd4adadf6b8f8d730908"
 dependencies = [
  "bit_field",
  "embedded-hal",
@@ -245,7 +245,7 @@ dependencies = [
 [[package]]
 name = "libregister"
 version = "0.0.0"
-source = "git+https://git.m-labs.hk/M-Labs/zc706.git#ec252b099cf67a51ba9daa72b3292db8c21ba1b8"
+source = "git+https://git.m-labs.hk/M-Labs/zc706.git#6195ad40c334a847cd01cd4adadf6b8f8d730908"
 dependencies = [
  "bit_field",
  "vcell",
@@ -255,7 +255,7 @@ dependencies = [
 [[package]]
 name = "libsupport_zynq"
 version = "0.0.0"
-source = "git+https://git.m-labs.hk/M-Labs/zc706.git#ec252b099cf67a51ba9daa72b3292db8c21ba1b8"
+source = "git+https://git.m-labs.hk/M-Labs/zc706.git#6195ad40c334a847cd01cd4adadf6b8f8d730908"
 dependencies = [
  "compiler_builtins",
  "libboard_zynq",
diff --git a/src/runtime/Cargo.toml b/src/runtime/Cargo.toml
index 517837d..b656f3a 100644
--- a/src/runtime/Cargo.toml
+++ b/src/runtime/Cargo.toml
@@ -20,7 +20,7 @@ void = { version = "1", default-features = false }
 futures = { version = "0.3", default-features = false, features = ["async-await"] }
 async-recursion = "0.3"
 libboard_zynq = { git = "https://git.m-labs.hk/M-Labs/zc706.git" }
-libsupport_zynq = { git = "https://git.m-labs.hk/M-Labs/zc706.git" }
+libsupport_zynq = { default-features = false, git = "https://git.m-labs.hk/M-Labs/zc706.git" }
 libcortex_a9 = { git = "https://git.m-labs.hk/M-Labs/zc706.git" }
 libasync = { git = "https://git.m-labs.hk/M-Labs/zc706.git" }
 dyld = { path = "../libdyld" }