diff --git a/README.md b/README.md
index a816138..41f2736 100644
--- a/README.md
+++ b/README.md
@@ -4,10 +4,10 @@ The format is partially compatible with [Firebase’s JSON config]. Please see [
 
 # Installation
 ## Binaries
-`simplehttp2server` is `go get`-able:
+`simplehttp2server` is `go install`-able:
 
 ```
-$ go get github.com/GoogleChrome/simplehttp2server
+$ go install github.com/GoogleChrome/simplehttp2server
 ```
 
 Precompiled binaries can be found in the [release section](https://github.com/GoogleChrome/simplehttp2server/releases).
diff --git a/go.mod b/go.mod
new file mode 100644
index 0000000..1abb7f6
--- /dev/null
+++ b/go.mod
@@ -0,0 +1,5 @@
+module github.com/GoogleChromeLabs/simplehttp2server
+
+go 1.20
+
+require github.com/NYTimes/gziphandler v1.1.1
diff --git a/go.sum b/go.sum
new file mode 100644
index 0000000..1d9a30c
--- /dev/null
+++ b/go.sum
@@ -0,0 +1,9 @@
+github.com/NYTimes/gziphandler v1.1.1 h1:ZUDjpQae29j0ryrS0u/B8HZfJBtBQHjqw2rQ2cqUQ3I=
+github.com/NYTimes/gziphandler v1.1.1/go.mod h1:n/CVRwUEOgIxrgPvAQhUUr9oeUtvrhMomdKFjzJNB0c=
+github.com/davecgh/go-spew v1.1.0 h1:ZDRjVQ15GmhC3fiQ8ni8+OwkZQO4DARzQgrnXU1Liz8=
+github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
+github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
+github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
+github.com/stretchr/testify v1.3.0 h1:TivCn/peBQ7UY8ooIcPgZFpTNSz0Q2U6UrFlUfqbe0Q=
+github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=