diff --git a/accounts/pkg/proto/v0/accounts.proto b/accounts/pkg/proto/v0/accounts.proto
index 98c0eca2ce..3d3a688a61 100644
--- a/accounts/pkg/proto/v0/accounts.proto
+++ b/accounts/pkg/proto/v0/accounts.proto
@@ -1,8 +1,8 @@
 syntax = "proto3";
 
-option go_package = "pkg/proto/v0;proto";
+package com.owncloud.ocis.accounts.v0;
 
-package accounts;
+option go_package = "github.com/owncloud/ocis/accounts/pkg/proto/v0";
 
 import "google/api/field_behavior.proto";
 import "google/api/annotations.proto";
diff --git a/changelog/unreleased/unique-proto-package-names.md b/changelog/unreleased/unique-proto-package-names.md
new file mode 100644
index 0000000000..6433c8dc20
--- /dev/null
+++ b/changelog/unreleased/unique-proto-package-names.md
@@ -0,0 +1,5 @@
+Change: Make Protobuf package names unique
+
+Introduce unique `package` and `go_package` names for our Protobuf definitions
+
+https://github.com/owncloud/ocis/pull/1875
diff --git a/settings/pkg/proto/v0/settings.proto b/settings/pkg/proto/v0/settings.proto
index a2e4c3e2a2..1166e52b4c 100644
--- a/settings/pkg/proto/v0/settings.proto
+++ b/settings/pkg/proto/v0/settings.proto
@@ -1,7 +1,8 @@
 syntax = "proto3";
 
-package proto;
-option go_package = "pkg/proto/v0;proto";
+package com.owncloud.ocis.settings.v0;
+
+option go_package = "github.com/owncloud/ocis/settings/pkg/proto/v0";
 
 import "google/api/annotations.proto";
 import "google/protobuf/empty.proto";
diff --git a/store/pkg/proto/v0/store.proto b/store/pkg/proto/v0/store.proto
index d40c20bf57..405b9f176f 100644
--- a/store/pkg/proto/v0/store.proto
+++ b/store/pkg/proto/v0/store.proto
@@ -1,8 +1,8 @@
 syntax = "proto3";
 
-option go_package = "pkg/proto/v0;proto";
+package com.owncloud.ocis.store.v0;
 
-package store;
+option go_package = "github.com/owncloud/ocis/store/pkg/proto/v0";
 
 import "protoc-gen-openapiv2/options/annotations.proto";
 
diff --git a/thumbnails/pkg/proto/v0/thumbnails.proto b/thumbnails/pkg/proto/v0/thumbnails.proto
index 75a48fa739..872e3d847a 100644
--- a/thumbnails/pkg/proto/v0/thumbnails.proto
+++ b/thumbnails/pkg/proto/v0/thumbnails.proto
@@ -1,9 +1,9 @@
 syntax = "proto3";
 
-option go_package = "pkg/proto/v0;proto";
-
 package com.owncloud.ocis.thumbnails.v0;
 
+option go_package = "github.com/owncloud/ocis/thumbnails/pkg/proto/v0";
+
 import "protoc-gen-openapiv2/options/annotations.proto";
 
 option (grpc.gateway.protoc_gen_openapiv2.options.openapiv2_swagger) = {