diff --git a/engine/handlers/mbzid.go b/engine/handlers/mbzid.go
new file mode 100644
index 0000000..e7aafd8
--- /dev/null
+++ b/engine/handlers/mbzid.go
@@ -0,0 +1,105 @@
+package handlers
+
+import (
+	"net/http"
+	"strconv"
+
+	"github.com/gabehf/koito/internal/db"
+	"github.com/gabehf/koito/internal/logger"
+	"github.com/gabehf/koito/internal/utils"
+	"github.com/google/uuid"
+)
+
+func UpdateMbzIdHandler(store db.DB) func(w http.ResponseWriter, r *http.Request) {
+	return func(w http.ResponseWriter, r *http.Request) {
+		ctx := r.Context()
+		l := logger.FromContext(ctx)
+
+		l.Debug().Msg("UpdateMbzIdHandler: Received request to set update MusicBrainz ID")
+
+		err := r.ParseForm()
+		if err != nil {
+			l.Debug().Msg("UpdateMbzIdHandler: Failed to parse form")
+			utils.WriteError(w, "form is invalid", http.StatusBadRequest)
+			return
+		}
+
+		// Parse query parameters
+		artistIDStr := r.FormValue("artist_id")
+		albumIDStr := r.FormValue("album_id")
+		trackIDStr := r.FormValue("track_id")
+		mbzidStr := r.FormValue("mbz_id")
+
+		if mbzidStr == "" || (artistIDStr == "" && albumIDStr == "" && trackIDStr == "") {
+			l.Debug().Msg("UpdateMbzIdHandler: Request is missing required parameters")
+			utils.WriteError(w, "mbzid and artist_id, album_id, or track_id must be provided", http.StatusBadRequest)
+			return
+		}
+		if utils.MoreThanOneString(artistIDStr, albumIDStr, trackIDStr) {
+			l.Debug().Msg("UpdateMbzIdHandler: Request has more than one of artist_id, album_id, and track_id")
+			utils.WriteError(w, "only one of artist_id, album_id, or track_id can be provided at a time", http.StatusBadRequest)
+			return
+		}
+		var mbzid uuid.UUID
+		if mbzid, err = uuid.Parse(mbzidStr); err != nil {
+			l.Debug().Msg("UpdateMbzIdHandler: Provided MusicBrainz ID is invalid")
+			utils.WriteError(w, "provided musicbrainz id is invalid", http.StatusBadRequest)
+			return
+		}
+
+		if artistIDStr != "" {
+			var artistID int
+			artistID, err = strconv.Atoi(artistIDStr)
+			if err != nil {
+				l.Debug().AnErr("error", err).Msg("UpdateMbzIdHandler: Invalid artist id")
+				utils.WriteError(w, "invalid artist_id", http.StatusBadRequest)
+				return
+			}
+			err = store.UpdateArtist(ctx, db.UpdateArtistOpts{
+				ID:            int32(artistID),
+				MusicBrainzID: mbzid,
+			})
+			if err != nil {
+				l.Error().Err(err).Msg("UpdateMbzIdHandler: Failed to update musicbrainz id")
+				utils.WriteError(w, "failed to update musicbrainz id", http.StatusInternalServerError)
+				return
+			}
+		} else if albumIDStr != "" {
+			var albumID int
+			albumID, err = strconv.Atoi(albumIDStr)
+			if err != nil {
+				l.Debug().AnErr("error", err).Msg("UpdateMbzIdHandler: Invalid album id")
+				utils.WriteError(w, "invalid artist_id", http.StatusBadRequest)
+				return
+			}
+			err = store.UpdateAlbum(ctx, db.UpdateAlbumOpts{
+				ID:            int32(albumID),
+				MusicBrainzID: mbzid,
+			})
+			if err != nil {
+				l.Error().Err(err).Msg("UpdateMbzIdHandler: Failed to update musicbrainz id")
+				utils.WriteError(w, "failed to update musicbrainz id", http.StatusInternalServerError)
+				return
+			}
+		} else if trackIDStr != "" {
+			var trackID int
+			trackID, err = strconv.Atoi(trackIDStr)
+			if err != nil {
+				l.Debug().AnErr("error", err).Msg("UpdateMbzIdHandler: Invalid track id")
+				utils.WriteError(w, "invalid artist_id", http.StatusBadRequest)
+				return
+			}
+			err = store.UpdateTrack(ctx, db.UpdateTrackOpts{
+				ID:            int32(trackID),
+				MusicBrainzID: mbzid,
+			})
+			if err != nil {
+				l.Error().Err(err).Msg("UpdateMbzIdHandler: Failed to update musicbrainz id")
+				utils.WriteError(w, "failed to update musicbrainz id", http.StatusInternalServerError)
+				return
+			}
+		}
+
+		w.WriteHeader(http.StatusNoContent)
+	}
+}
diff --git a/engine/routes.go b/engine/routes.go
index caff228..d38052a 100644
--- a/engine/routes.go
+++ b/engine/routes.go
@@ -94,6 +94,7 @@ func bindRoutes(
 			r.Post("/aliases", handlers.CreateAliasHandler(db))
 			r.Post("/aliases/delete", handlers.DeleteAliasHandler(db))
 			r.Post("/aliases/primary", handlers.SetPrimaryAliasHandler(db))
+			r.Patch("/mbzid", handlers.UpdateAlbumHandler(db))
 			r.Get("/user/apikeys", handlers.GetApiKeysHandler(db))
 			r.Post("/user/apikeys", handlers.GenerateApiKeyHandler(db))
 			r.Patch("/user/apikeys", handlers.UpdateApiKeyLabelHandler(db))