diff --git a/Cargo.lock b/Cargo.lock
index dcf4c58..9a74467 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -28,7 +28,6 @@ dependencies = [
  "libcortex_a9 0.0.0",
  "libregister 0.0.0",
  "libsupport_zynq 0.0.0",
- "smoltcp 0.5.0 (git+https://github.com/m-labs/smoltcp.git?rev=8eb01aca364aefe5f823d68d552d62c76c9be4a3)",
 ]
 
 [[package]]
@@ -38,7 +37,7 @@ dependencies = [
  "bit_field 0.10.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "libcortex_a9 0.0.0",
  "libregister 0.0.0",
- "smoltcp 0.5.0 (git+https://github.com/m-labs/smoltcp.git?rev=8eb01aca364aefe5f823d68d552d62c76c9be4a3)",
+ "smoltcp 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "volatile-register 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -48,7 +47,6 @@ version = "0.0.0"
 dependencies = [
  "bit_field 0.10.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "libregister 0.0.0",
- "smoltcp 0.5.0 (git+https://github.com/m-labs/smoltcp.git?rev=8eb01aca364aefe5f823d68d552d62c76c9be4a3)",
 ]
 
 [[package]]
@@ -70,7 +68,6 @@ dependencies = [
  "libregister 0.0.0",
  "linked_list_allocator 0.8.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "r0 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "smoltcp 0.5.0 (git+https://github.com/m-labs/smoltcp.git?rev=8eb01aca364aefe5f823d68d552d62c76c9be4a3)",
 ]
 
 [[package]]
@@ -90,8 +87,8 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "smoltcp"
-version = "0.5.0"
-source = "git+https://github.com/m-labs/smoltcp.git?rev=8eb01aca364aefe5f823d68d552d62c76c9be4a3#8eb01aca364aefe5f823d68d552d62c76c9be4a3"
+version = "0.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "bitflags 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "byteorder 1.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -119,6 +116,6 @@ dependencies = [
 "checksum linked_list_allocator 0.8.1 (registry+https://github.com/rust-lang/crates.io-index)" = "5825aea823c659d0fdcdbe8c9b78baf56f3a10365d783db874f6d360df72626f"
 "checksum managed 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)" = "fdcec5e97041c7f0f1c5b7d93f12e57293c831c646f4cc7a5db59460c7ea8de6"
 "checksum r0 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "bd7a31eed1591dcbc95d92ad7161908e72f4677f8fabf2a32ca49b4237cbf211"
-"checksum smoltcp 0.5.0 (git+https://github.com/m-labs/smoltcp.git?rev=8eb01aca364aefe5f823d68d552d62c76c9be4a3)" = "<none>"
+"checksum smoltcp 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)" = "0fe46639fd2ec79eadf8fe719f237a7a0bd4dac5d957f1ca5bbdbc1c3c39e53a"
 "checksum vcell 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "876e32dcadfe563a4289e994f7cb391197f362b6315dc45e8ba4aa6f564a4b3c"
 "checksum volatile-register 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "0d67cb4616d99b940db1d6bd28844ff97108b498a6ca850e5b6191a532063286"
diff --git a/libboard_zynq/Cargo.toml b/libboard_zynq/Cargo.toml
index 4a64aa7..f0e2ee5 100644
--- a/libboard_zynq/Cargo.toml
+++ b/libboard_zynq/Cargo.toml
@@ -16,7 +16,6 @@ libregister = { path = "../libregister" }
 libcortex_a9 = { path = "../libcortex_a9" }
 
 [dependencies.smoltcp]
-git = "https://github.com/m-labs/smoltcp.git"
-rev = "8eb01aca364aefe5f823d68d552d62c76c9be4a3"
+version = "0.6"
 features = ["ethernet", "proto-ipv4", "socket-tcp"]
 default-features = false