diff --git a/.gitignore b/.gitignore
index d7adc64..ee88f7a 100644
--- a/.gitignore
+++ b/.gitignore
@@ -5,7 +5,7 @@ tmp/
 *.o
 regression.diffs
 regression.out
-/sql/semver--?.??.?.sql
+/sql/github.com+theory+pg-semver--?.??.?.sql
 /semver-*
 /latest-changes.md
 /src/*.bc
diff --git a/META.json b/META.json
index 103e79f..de2eaf4 100644
--- a/META.json
+++ b/META.json
@@ -1,5 +1,5 @@
 {
-   "name": "semver",
+   "name": "github.com+theory+pg-semver",
    "abstract": "A semantic version data type",
    "description": "A Postgres data type for the Semantic Version format with support for btree and hash indexing.",
    "version": "0.32.1",
@@ -11,7 +11,7 @@
    ],
    "license": "postgresql",
    "provides": {
-      "semver": {
+      "github.com+theory+pg-semver": {
          "abstract": "A semantic version data type",
          "file": "sql/semver.sql",
          "docfile": "doc/semver.mmd",
diff --git a/Makefile b/Makefile
index 8777ed1..3d75680 100644
--- a/Makefile
+++ b/Makefile
@@ -1,3 +1,4 @@
+NAME         = semver
 EXTENSION    = $(shell grep -m 1 '"name":' META.json | \
                sed -e 's/[[:space:]]*"name":[[:space:]]*"\([^"]*\)",/\1/')
 EXTVERSION   = $(shell grep -m 1 '[[:space:]]\{8\}"version":' META.json | \
@@ -25,7 +26,7 @@ include $(PGXS)
 
 all: sql/$(EXTENSION)--$(EXTVERSION).sql
 
-sql/$(EXTENSION)--$(EXTVERSION).sql: sql/$(EXTENSION).sql
+sql/$(EXTENSION)--$(EXTVERSION).sql: sql/$(NAME).sql
 	cp $< $@
 
 .PHONY: results
diff --git a/README.md b/README.md
index d8956e2..a02c06c 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,12 @@
 semver 0.32.0
 =============
 
+Namespace Experiment
+--------------------
+
+Experimental branch to try naming an extension with a source code repository URL
+similar to Go packages.
+
 [![PGXN version](https://badge.fury.io/pg/semver.svg)](https://badge.fury.io/pg/semver)
 [![Build Status](https://github.com/theory/pg-semver/workflows/CI/badge.svg)](https://github.com/theory/pg-semver/actions)
 
diff --git a/github.com+theory+pg-semver.control b/github.com+theory+pg-semver.control
new file mode 100644
index 0000000..3625250
--- /dev/null
+++ b/github.com+theory+pg-semver.control
@@ -0,0 +1,6 @@
+# github.com+theory+pg-semver extension
+comment = 'Semantic version data type'
+default_version = '0.32.1'
+directory = 'github.com+theory+pg-semver'
+module_pathname = '$libdir/github.com+theory+pg-semver'
+relocatable = true
diff --git a/semver.control b/semver.control
deleted file mode 100644
index fbc6d1f..0000000
--- a/semver.control
+++ /dev/null
@@ -1,7 +0,0 @@
-# semver extension
-comment = 'Semantic version data type'
-default_version = '0.32.1'
-
-directory = 'semver'
-module_pathname = '$libdir/semver'
-relocatable = true
diff --git a/src/semver.c b/src/github.com+theory+pg-semver.c
similarity index 100%
rename from src/semver.c
rename to src/github.com+theory+pg-semver.c
diff --git a/test/sql/base.sql b/test/sql/base.sql
index 53adb30..e471e74 100644
--- a/test/sql/base.sql
+++ b/test/sql/base.sql
@@ -2,7 +2,7 @@
 BEGIN;
 
 \i test/pgtap-core.sql
-CREATE EXTENSION semver;
+CREATE EXTENSION "github.com+theory+pg-semver";
 
 SELECT plan(334);
 --SELECT * FROM no_plan();
diff --git a/test/sql/corpus.sql b/test/sql/corpus.sql
index b3fdd8b..cdc8881 100644
--- a/test/sql/corpus.sql
+++ b/test/sql/corpus.sql
@@ -4,7 +4,7 @@ BEGIN;
 -- Test the SemVer corpus from https://regex101.com/r/Ly7O1x/3/.
 
 \i test/pgtap-core.sql
-CREATE EXTENSION semver;
+CREATE EXTENSION "github.com+theory+pg-semver";
 
 SELECT plan(71);
 --SELECT * FROM no_plan();