diff --git a/tools/bin/darwin/ninja b/tools/bin/darwin/ninja
index 64fcacc..d26afc2 100755
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diff --git a/tools/bin/linux/ninja b/tools/bin/linux/ninja
index e4a6202..189832f 100755
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diff --git a/tools/bin/windows/ninja.exe b/tools/bin/windows/ninja.exe
old mode 100644
new mode 100755
index 40f662e..1b30c1e
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