diff --git a/chapter2/sample/go.mod b/chapter2/sample/go.mod
new file mode 100644
index 00000000..77424623
--- /dev/null
+++ b/chapter2/sample/go.mod
@@ -0,0 +1,10 @@
+module github.com/Sergius71/code
+
+go 1.17
+
+require github.com/goinaction/code v0.0.0-20171020164608-49fc99e6affb
+
+replace (
+	github.com/goinaction/code/chapter2/sample/matchers => ./matchers
+	github.com/goinaction/code/chapter2/sample/search => ./search
+)
diff --git a/chapter2/sample/go.sum b/chapter2/sample/go.sum
new file mode 100644
index 00000000..3c195735
--- /dev/null
+++ b/chapter2/sample/go.sum
@@ -0,0 +1,2 @@
+github.com/goinaction/code v0.0.0-20171020164608-49fc99e6affb h1:xpDeYJF7P9jgczf4KjRQOoqPrrKs56vqMBiWOXnSoQM=
+github.com/goinaction/code v0.0.0-20171020164608-49fc99e6affb/go.mod h1:3NRM3Fi26eZwRU/33Y0fH7YaVlo6EDQUAE2CBQ/snQ0=