diff --git a/utils/bootstrap.py b/utils/bootstrap.py
index f09cdf1..e01994a 100755
--- a/utils/bootstrap.py
+++ b/utils/bootstrap.py
@@ -45,11 +45,13 @@ dependencies = {
         },
     },
     'gcc-avr': {
-        'version': '5.4.0',
+        # dummy placeholder (currently downloading cmake just for the sake of a valid url/zip archive)
+        # ... we truly need the binaries! :)
+        'version': '0.0.0',
         'url': {
-            'Linux': 'https://xxxarmkeil.blob.core.windows.net/developer/Files/downloads/gnu-rm/7-2018q2/gcc-arm-none-eabi-7-2018-q2-update-linux.tar.bz2',
-            'Windows': 'https://xxxarmkeil.blob.core.windows.net/developer/Files/downloads/gnu-rm/7-2018q2/gcc-arm-none-eabi-7-2018-q2-update-win32.zip',
-            'Darwin': 'https://xxxarmkeil.blob.core.windows.net/developer/Files/downloads/gnu-rm/7-2018q2/gcc-arm-none-eabi-7-2018-q2-update-mac.tar.bz2',
+            'Linux': 'https://github.com/Kitware/CMake/releases/download/v3.15.5/cmake-3.15.5-Linux-x86_64.tar.gz',
+            'Windows': 'https://github.com/Kitware/CMake/releases/download/v3.15.5/cmake-3.15.5-win64-x64.zip',
+            'Darwin': 'https://github.com/Kitware/CMake/releases/download/v3.15.5/cmake-3.15.5-Darwin-x86_64.tar.gz',
         }
     },
     'clang-format': {