diff --git a/metropolis/proto/common/BUILD.bazel b/metropolis/proto/common/BUILD.bazel
index 10f7f84..f895f44 100644
--- a/metropolis/proto/common/BUILD.bazel
+++ b/metropolis/proto/common/BUILD.bazel
@@ -7,7 +7,7 @@
     srcs = ["common.proto"],
     visibility = ["//metropolis:__subpackages__"],
     deps = [
-        "//metropolis/pkg/logtree/proto:proto_proto",
+        "//osbase/logtree/proto:proto_proto",
         "//version/spec:spec_proto",
         "@com_google_protobuf//:timestamp_proto",
     ],
@@ -19,7 +19,7 @@
     proto = ":common_proto",
     visibility = ["//metropolis:__subpackages__"],
     deps = [
-        "//metropolis/pkg/logtree/proto",
+        "//osbase/logtree/proto",
         "//version/spec",
     ],
 )
diff --git a/metropolis/proto/common/common.proto b/metropolis/proto/common/common.proto
index a0e8c73..758631f 100644
--- a/metropolis/proto/common/common.proto
+++ b/metropolis/proto/common/common.proto
@@ -21,7 +21,7 @@
 import "google/protobuf/timestamp.proto";
 import "version/spec/spec.proto";
 
-import "metropolis/pkg/logtree/proto/logtree.proto";
+import "osbase/logtree/proto/logtree.proto";
 
 // NodeRoles are the possible roles that a Metropolis Node should run within the
 // cluster. These are configured by the cluster and can be retrieved through the
@@ -252,7 +252,7 @@
     // If leveled logs are returned, all entries at severity lower than `minimum`
     // will be discarded.
     message LeveledWithMinimumSeverity {
-        metropolis.pkg.logtree.proto.LeveledLogSeverity minimum = 1;
+        osbase.pkg.logtree.proto.LeveledLogSeverity minimum = 1;
     }
     oneof filter {
         WithChildren with_children = 1;