diff --git a/CONFIGURATION.md b/CONFIGURATION.md
index 56ea1f9..46c1987 100644
--- a/CONFIGURATION.md
+++ b/CONFIGURATION.md
@@ -79,14 +79,14 @@ and the private key file at `certs/live/$DOMAIN/privkey.pem` to twins.
 Pages are also available via HTTPS on the same port by default. 
 Set this option to `true` to disable this feature.
 
-Pages are converted automatically by [gmitohtml](https://gitlab.com/tslocum/gmitohtml).
+Pages are converted automatically by [gmitohtml](https://code.rocketnine.space/tslocum/gmitohtml).
 
 ### DisableSize
 
 The size of the response body is included in the media type header by default.
 Set this option to `true` to disable this feature.
 
-See [PROPOSALS.md](https://gitlab.com/tslocum/twins/blob/master/PROPOSALS.md) for more information.
+See [PROPOSALS.md](https://code.rocketnine.space/tslocum/twins/src/branch/master/PROPOSALS.md) for more information.
 
 ### Path
 
@@ -123,7 +123,7 @@ Any number of attributes may be defined for a path.
 ##### Cache
 
 Cache duration (in seconds). Set to `0` to disable caching entirely. This is an
-out-of-spec feature. See [PROPOSALS.md](https://gitlab.com/tslocum/twins/blob/master/PROPOSALS.md)
+out-of-spec feature. See [PROPOSALS.md](https://code.rocketnine.space/tslocum/twins/src/branch/master/PROPOSALS.md)
 for more information.
 
 ##### FastCGI
diff --git a/README.md b/README.md
index a850a45..5d0ab14 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,4 @@
 # twins
-[![CI status](https://gitlab.com/tslocum/twins/badges/master/pipeline.svg)](https://gitlab.com/tslocum/twins/commits/master)
 [![Donate](https://img.shields.io/liberapay/receives/rocketnine.space.svg?logo=liberapay)](https://liberapay.com/rocketnine.space)
 
 [Gemini](https://gemini.circumlunar.space) server
@@ -19,12 +18,12 @@ This page is also available at [gemini://twins.rocketnine.space](gemini://twins.
   - TCP
   - [FastCGI](https://en.wikipedia.org/wiki/FastCGI)
 - Serve Gemini content via HTTPS
-  - Pages are converted automatically by [gmitohtml](https://gitlab.com/tslocum/gmitohtml)
+  - Pages are converted automatically by [gmitohtml](https://code.rocketnine.space/tslocum/gmitohtml)
 - Reload configuration on `SIGHUP`
 
 ## Proposals
 
-twins includes features that are not yet part of the Gemini specification. See [PROPOSALS.md](https://gitlab.com/tslocum/twins/blob/master/PROPOSALS.md)
+twins includes features that are not yet part of the Gemini specification. See [PROPOSALS.md](https://code.rocketnine.space/tslocum/twins/src/branch/master/PROPOSALS.md)
 
 ## Download
 
@@ -32,18 +31,18 @@ twins is written in [Go](https://golang.org). Run the following command to
 download and build twins from source.
 
 ```bash
-go get gitlab.com/tslocum/twins
+go get code.rocketnine.space/tslocum/twins
 ```
 
 The resulting binary is available as `~/go/bin/twins`.
 
 ## Configure
 
-See [CONFIGURATION.md](https://gitlab.com/tslocum/twins/blob/master/CONFIGURATION.md)
+See [CONFIGURATION.md](https://code.rocketnine.space/tslocum/twins/src/branch/master/CONFIGURATION.md)
 
 ## Support
 
-Please share issues and suggestions [here](https://gitlab.com/tslocum/twins/issues).
+Please share issues and suggestions [here](https://code.rocketnine.space/tslocum/twins/issues).
 
 ## Dependencies
 
diff --git a/go.mod b/go.mod
index 71e6cfa..c34eafd 100644
--- a/go.mod
+++ b/go.mod
@@ -1,12 +1,12 @@
-module gitlab.com/tslocum/twins
+module code.rocketnine.space/tslocum/twins
 
-go 1.15
+go 1.16
 
 require (
+	code.rocketnine.space/tslocum/gmitohtml v1.0.4
 	github.com/h2non/filetype v1.1.1
 	github.com/kballard/go-shellquote v0.0.0-20180428030007-95032a82bc51
 	github.com/yookoala/gofast v0.6.0
-	gitlab.com/tslocum/gmitohtml v1.0.3
 	golang.org/x/tools v0.1.0 // indirect
 	gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b
 )
diff --git a/go.sum b/go.sum
index 572737d..5d0d96d 100644
--- a/go.sum
+++ b/go.sum
@@ -1,3 +1,5 @@
+code.rocketnine.space/tslocum/gmitohtml v1.0.4 h1:EZsXfnP1sZx85PYNQb9XWFuF4WxSgeeTN3vxPsdGKyY=
+code.rocketnine.space/tslocum/gmitohtml v1.0.4/go.mod h1:1FWEBFtkgRZgRE7ktApyFe29nm3MCNANvH/Mp8hyG54=
 github.com/go-restit/lzjson v0.0.0-20161206095556-efe3c53acc68/go.mod h1:7vXSKQt83WmbPeyVjCfNT9YDJ5BUFmcwFsEjI9SCvYM=
 github.com/gopherjs/gopherjs v0.0.0-20181017120253-0766667cb4d1/go.mod h1:wJfORRmW1u3UXTncJ5qlYoELFm8eSnnEO6hX4iZ3EWY=
 github.com/gopherjs/gopherjs v0.0.0-20200217142428-fce0ec30dd00/go.mod h1:wJfORRmW1u3UXTncJ5qlYoELFm8eSnnEO6hX4iZ3EWY=
@@ -12,8 +14,6 @@ github.com/smartystreets/goconvey v1.6.4/go.mod h1:syvi0/a8iFYH4r/RixwvyeAJjdLS9
 github.com/yookoala/gofast v0.6.0 h1:E5x2acfUD7GkzCf8bmIMwnV10VxDy5tUCHc5LGhluwc=
 github.com/yookoala/gofast v0.6.0/go.mod h1:OJU201Q6HCaE1cASckaTbMm3KB6e0cZxK0mgqfwOKvQ=
 github.com/yuin/goldmark v1.2.1/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
-gitlab.com/tslocum/gmitohtml v1.0.3 h1:mNEDRL5eNHAIPHI6eIi4QpwJCk97SF5efEvtZOL5j+A=
-gitlab.com/tslocum/gmitohtml v1.0.3/go.mod h1:UVZEaBMmAAdEPZOUyjV5ZxiQLOkvAbGE13GXKb/b4OI=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
 golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
 golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
diff --git a/serve_https.go b/serve_https.go
index 8b7184d..e227064 100644
--- a/serve_https.go
+++ b/serve_https.go
@@ -11,7 +11,7 @@ import (
 	"path/filepath"
 	"strings"
 
-	"gitlab.com/tslocum/gmitohtml/pkg/gmitohtml"
+	"code.rocketnine.space/tslocum/gmitohtml/pkg/gmitohtml"
 )
 
 var cssBytes = []byte(gmitohtml.StyleCSS)