diff --git a/Makefile b/Makefile
index 72824d1c..80ebc28d 100644
--- a/Makefile
+++ b/Makefile
@@ -47,7 +47,7 @@ src/github.com/opencontainers/runc:
 	cp -r "$(RUNC_DIR)" $@
 else
 src/github.com/opencontainers/runc:
-	git init $@
+	git init --initial-branch=main $@
 	git -C $@ remote add origin "$(RUNC_REMOTE)"
 endif
 
@@ -57,7 +57,7 @@ src/github.com/containerd/containerd:
 	cp -r "$(CONTAINERD_DIR)" $@
 else
 src/github.com/containerd/containerd:
-	git init $@
+	git init --initial-branch=main $@
 	git -C $@ remote add origin "$(CONTAINERD_REMOTE)"
 endif
 
diff --git a/Makefile.win b/Makefile.win
index fca03739..1fd35548 100644
--- a/Makefile.win
+++ b/Makefile.win
@@ -22,7 +22,7 @@ src/github.com/containerd/containerd:
 	Xcopy /E /I "$(CONTAINERD_DIR)" $@
 else
 src/github.com/containerd/containerd:
-	git init $@
+	git init --initial-branch=main $@
 	git -C $@ remote add origin "$(CONTAINERD_REMOTE)"
 endif