diff --git a/cmd/skopeo/cgo_pthread_ordering_workaround.go b/cmd/skopeo/cgo_pthread_ordering_workaround.go
index b19ee1b5f6..c52aeb1395 100644
--- a/cmd/skopeo/cgo_pthread_ordering_workaround.go
+++ b/cmd/skopeo/cgo_pthread_ordering_workaround.go
@@ -1,3 +1,4 @@
+//go:build !containers_image_openpgp
 // +build !containers_image_openpgp
 
 package main
diff --git a/cmd/skopeo/unshare.go b/cmd/skopeo/unshare.go
index acb2f29aea..621bc4bec9 100644
--- a/cmd/skopeo/unshare.go
+++ b/cmd/skopeo/unshare.go
@@ -1,3 +1,4 @@
+//go:build !linux
 // +build !linux
 
 package main
diff --git a/integration/openshift_shell_test.go b/integration/openshift_shell_test.go
index ad635d3629..8e67a9995f 100644
--- a/integration/openshift_shell_test.go
+++ b/integration/openshift_shell_test.go
@@ -1,3 +1,4 @@
+//go:build openshift_shell
 // +build openshift_shell
 
 package main