diff --git a/.gitmodules b/.gitmodules
index 8024ca7..8f90ec8 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -67,3 +67,12 @@
 [submodule "vendor/golang.org/x/image"]
 	path = vendor/golang.org/x/image
 	url = https://go.googlesource.com/image
+[submodule "vendor/github.com/smartystreets/goconvey"]
+	path = vendor/github.com/smartystreets/goconvey
+	url = https://github.com/smartystreets/goconvey
+[submodule "vendor/github.com/jtolds/gls"]
+	path = vendor/github.com/jtolds/gls
+	url = https://github.com/jtolds/gls
+[submodule "vendor/github.com/smartystreets/assertions"]
+	path = vendor/github.com/smartystreets/assertions
+	url = https://github.com/smartystreets/assertions
diff --git a/build/ci/.drone.yml b/build/ci/.drone.yml
index db5e62e..9ecabe0 100644
--- a/build/ci/.drone.yml
+++ b/build/ci/.drone.yml
@@ -6,6 +6,14 @@ workspace:
   path: src/gitbase.de/apairon/mark2web
 
 steps:
+  - name: init submodules
+    image: docker:git
+    commands:
+      - git submodule update --init --recursive
+      - git fetch --tags
+    when:
+      event: [ push, tag ]
+
   - name: test
     image: golang:latest
     environment:
@@ -13,8 +21,6 @@ steps:
       GOOS: linux
       GOARCH: amd64
     commands:
-      - git submodule update --init --recursive
-      - git fetch --tags
       - go test -v -coverprofile coverage.out ./pkg/*
     when:
       event: [ push, tag ]
diff --git a/vendor/github.com/jtolds/gls b/vendor/github.com/jtolds/gls
new file mode 160000
index 0000000..b4936e0
--- /dev/null
+++ b/vendor/github.com/jtolds/gls
@@ -0,0 +1 @@
+Subproject commit b4936e06046bbecbb94cae9c18127ebe510a2cb9
diff --git a/vendor/github.com/smartystreets/assertions b/vendor/github.com/smartystreets/assertions
new file mode 160000
index 0000000..980c5ac
--- /dev/null
+++ b/vendor/github.com/smartystreets/assertions
@@ -0,0 +1 @@
+Subproject commit 980c5ac6f3acb6ce1cfe13160e49188807174fbe
diff --git a/vendor/github.com/smartystreets/goconvey b/vendor/github.com/smartystreets/goconvey
new file mode 160000
index 0000000..200a235
--- /dev/null
+++ b/vendor/github.com/smartystreets/goconvey
@@ -0,0 +1 @@
+Subproject commit 200a235640ff2643e3126834b67f3e93df76640a