diff --git a/Makefile b/Makefile
index d115b36..9be02fd 100644
--- a/Makefile
+++ b/Makefile
@@ -2,7 +2,7 @@ EXTENSION = vector
 EXTVERSION = 0.1.2
 
 MODULE_big = vector
-DATA = sql/vector--0.1.1.sql sql/vector--0.1.0--0.1.1.sql
+DATA = $(wildcard sql/*--*.sql)
 OBJS = src/ivfbuild.o src/ivfflat.o src/ivfinsert.o src/ivfkmeans.o src/ivfscan.o src/ivfutils.o src/ivfvacuum.o src/vector.o
 
 TESTS = $(wildcard test/sql/*.sql)
diff --git a/sql/vector--0.1.1--0.1.2.sql b/sql/vector--0.1.1--0.1.2.sql
new file mode 100644
index 0000000..2661237
--- /dev/null
+++ b/sql/vector--0.1.1--0.1.2.sql
@@ -0,0 +1,2 @@
+-- complain if script is sourced in psql, rather than via CREATE EXTENSION
+\echo Use "ALTER EXTENSION vector UPDATE TO '0.1.2'" to load this file. \quit
diff --git a/sql/vector--0.1.1.sql b/sql/vector--0.1.2.sql
similarity index 100%
rename from sql/vector--0.1.1.sql
rename to sql/vector--0.1.2.sql
diff --git a/vector.control b/vector.control
index bf0bd4f..fbfc95e 100644
--- a/vector.control
+++ b/vector.control
@@ -1,4 +1,4 @@
 comment = 'vector data type and ivfflat access method'
-default_version = '0.1.1'
+default_version = '0.1.2'
 module_pathname = '$libdir/vector'
 relocatable = true