diff --git a/.github/workflows/examples-telink.yaml b/.github/workflows/examples-telink.yaml
index 58b9e3fa4deafa..524f1a47f5d1ac 100644
--- a/.github/workflows/examples-telink.yaml
+++ b/.github/workflows/examples-telink.yaml
@@ -235,13 +235,13 @@ jobs:
             - name: clean out build output
               run: rm -rf ./out
 
-            - name: Build example Telink (B92 retention) Temperature Measurement App
+            - name: Build example Telink (B91 Mars) Temperature Measurement App with OTA
               run: |
                   ./scripts/run_in_build_env.sh \
-                    "./scripts/build/build_examples.py --target 'telink-tlsr9528a_retention-temperature-measurement' build"
+                    "./scripts/build/build_examples.py --target 'telink-tlsr9518adk80d-temperature-measurement-mars-ota' build"
                   .environment/pigweed-venv/bin/python3 scripts/tools/memory/gh_sizes.py \
-                    telink tlsr9528a_retention temperature-measurement-app \
-                    out/telink-tlsr9528a_retention-temperature-measurement/zephyr/zephyr.elf \
+                    telink tlsr9518adk80d temperature-measurement-app-mars-ota \
+                    out/telink-tlsr9518adk80d-temperature-measurement-mars-ota/zephyr/zephyr.elf \
                     /tmp/bloat_reports/
 
             - name: clean out build output
diff --git a/scripts/build/build/targets.py b/scripts/build/build/targets.py
index fd6132e9519dd8..d056281b6a539b 100755
--- a/scripts/build/build/targets.py
+++ b/scripts/build/build/targets.py
@@ -733,6 +733,7 @@ def BuildTelinkTarget():
     target.AppendModifier('rpc', enable_rpcs=True)
     target.AppendModifier('factory-data', enable_factory_data=True)
     target.AppendModifier('4mb', enable_4mb_flash=True)
+    target.AppendModifier('mars', mars_board_config=True)
 
     return target
 
diff --git a/scripts/build/builders/telink.py b/scripts/build/builders/telink.py
index 1dc75cfacc9c42..72ba965c69b1f5 100644
--- a/scripts/build/builders/telink.py
+++ b/scripts/build/builders/telink.py
@@ -144,7 +144,8 @@ def __init__(self,
                  enable_shell: bool = False,
                  enable_rpcs: bool = False,
                  enable_factory_data: bool = False,
-                 enable_4mb_flash: bool = False):
+                 enable_4mb_flash: bool = False,
+                 mars_board_config: bool = False):
         super(TelinkBuilder, self).__init__(root, runner)
         self.app = app
         self.board = board
@@ -154,6 +155,7 @@ def __init__(self,
         self.enable_rpcs = enable_rpcs
         self.enable_factory_data = enable_factory_data
         self.enable_4mb_flash = enable_4mb_flash
+        self.mars_board_config = mars_board_config
 
     def get_cmd_prefixes(self):
         if not self._runner.dry_run:
@@ -192,6 +194,9 @@ def generate(self):
         if self.enable_4mb_flash:
             flags.append("-DFLASH_SIZE=4m")
 
+        if self.mars_board_config:
+            flags.append("-DTLNK_MARS_BOARD=y")
+
         if self.options.pregen_dir:
             flags.append(f"-DCHIP_CODEGEN_PREGEN_DIR={shlex.quote(self.options.pregen_dir)}")