diff --git a/.gitignore b/.gitignore
index 5bb098e9..5d98dc16 100644
--- a/.gitignore
+++ b/.gitignore
@@ -8,12 +8,12 @@ h3/test/regression.*
 h3/test/results
 
 # Generated
-h3--*.sql
-h3/src/include/extension.h
-h3/test/expected/ci-*.out
-h3/test/sql/ci-*.sql
-libh3-*/
-h3-*.zip
+/h3--*.sql
+/h3/src/include/extension.h
+/h3/test/expected/ci-*.out
+/h3/test/sql/ci-*.sql
+/libh3-*/
+/h3-*.zip
 *.BAK
 
 # IDEs
diff --git a/META.json b/META.json
index 2368b04f..6cf928b2 100644
--- a/META.json
+++ b/META.json
@@ -2,15 +2,15 @@
   "name": "h3",
   "abstract": "PostgreSQL bindings for H3",
   "description": "PostgreSQL bindings for H3, a hierarchical hexagonal geospatial indexing system.",
-  "version": "3.7.1",
+  "version": "unreleased",
   "maintainer": "Bytes & Brains <developers@bytesandbrains.com>",
   "license": "apache_2_0",
   "provides": {
     "h3": {
       "abstract": "PostgreSQL bindings for H3",
-      "file": "sql/h3--3.7.1.sql",
+      "file": "sql/h3--unreleased.sql",
       "docfile": "README.md",
-      "version": "3.7.1"
+      "version": "unreleased"
     }
   },
   "resources": {
diff --git a/h3.control b/h3.control
index 55aa7be4..83012507 100644
--- a/h3.control
+++ b/h3.control
@@ -1,4 +1,4 @@
 comment = 'H3 bindings for PostgreSQL'
-default_version = '3.7.1'
+default_version = 'unreleased'
 relocatable = true
 requires = 'postgis'
diff --git a/h3/sql/updates/h3--3.7.0--3.7.1.sql b/h3/sql/updates/h3--3.7.0--3.7.1.sql
index 58bae2d6..6e1df455 100644
--- a/h3/sql/updates/h3--3.7.0--3.7.1.sql
+++ b/h3/sql/updates/h3--3.7.0--3.7.1.sql
@@ -15,7 +15,7 @@
  */
 
 -- complain if script is sourced in psql, rather than via CREATE EXTENSION
-\echo Use "ALTER EXTENSION h3 UPDATE TO 'unreleased'" to load this file. \quit
+\echo Use "ALTER EXTENSION h3 UPDATE TO '3.7.1'" to load this file. \quit
 
 COMMENT ON OPERATOR && (h3index, h3index) IS
   'Returns true if the two H3 indexes intersect';
diff --git a/h3/sql/updates/h3--3.7.1--unreleased.sql b/h3/sql/updates/h3--3.7.1--unreleased.sql
new file mode 100644
index 00000000..ddf9e131
--- /dev/null
+++ b/h3/sql/updates/h3--3.7.1--unreleased.sql
@@ -0,0 +1,18 @@
+/*
+ * Copyright 2021 Bytes & Brains
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+-- complain if script is sourced in psql, rather than via CREATE EXTENSION
+\echo Use "ALTER EXTENSION h3 UPDATE TO 'unreleased'" to load this file. \quit