diff --git a/workspace_tools/build_release.py b/workspace_tools/build_release.py
index 72e397252a..a043e468a9 100644
--- a/workspace_tools/build_release.py
+++ b/workspace_tools/build_release.py
@@ -120,6 +120,7 @@ OFFICIAL_MBED_LIBRARY_BUILD = (
 
     ('WIZWIKI_W7500',   ('ARM', 'uARM')),
     ('WIZWIKI_W7500P',('ARM', 'uARM')),
+	('WIZWIKI_W7500ECO',('ARM', 'uARM')),
 )
 
 
diff --git a/workspace_tools/targets.py b/workspace_tools/targets.py
index bb8590cc78..fe91804afd 100755
--- a/workspace_tools/targets.py
+++ b/workspace_tools/targets.py
@@ -1594,6 +1594,14 @@ class WIZWIKI_W7500P(Target):
         self.default_toolchain = "ARM"
         self.supported_form_factors = ["ARDUINO"]
 
+class WIZWIKI_W7500ECO(Target):
+    def __init__(self):
+        Target.__init__(self)
+        self.core = "Cortex-M0"
+        self.extra_labels = ['WIZNET', 'W7500x', 'WIZwiki_W7500ECO']
+        self.supported_toolchains = ["uARM", "ARM"]
+        self.default_toolchain = "ARM"
+		
 class SAMR21G18A(Target):
     def __init__(self):
         Target.__init__(self)