diff --git a/devtools/bin/linux/ccache b/devtools/bin/linux/ccache
old mode 100644
new mode 100755
diff --git a/devtools/bin/osx32/ccache b/devtools/bin/osx32/ccache
old mode 100644
new mode 100755
diff --git a/devtools/bin/osx32/protoc b/devtools/bin/osx32/protoc
old mode 100644
new mode 100755
diff --git a/gcsdk/bin/linux/protoc b/gcsdk/bin/linux/protoc
old mode 100644
new mode 100755