diff --git a/Dockerfile b/Dockerfile
index 0172f08..0d8c004 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,10 +1,9 @@
-FROM postgres:10.2-alpine
+FROM postgres:10.3-alpine
 
 MAINTAINER erik@timescale.com
 
-ENV PG_MAJOR 10.2
+ENV PG_MAJOR 10.3
 ENV TIMESCALEDB_VERSION 0.9.1
-ENV PG_PROMETHEUS_VERSION 0.0.1
 
 COPY pg_prometheus.control Makefile /build/pg_prometheus/
 COPY src/*.c src/*.h /build/pg_prometheus/src/
diff --git a/pg_prometheus.control b/pg_prometheus.control
index c2709d8..c408fee 100644
--- a/pg_prometheus.control
+++ b/pg_prometheus.control
@@ -1,5 +1,5 @@
 # pg_prometheus extension
 comment = 'Prometheus metrics for PostgreSQL'
-default_version = '0.0.1'
+default_version = '0.2'
 module_pathname = '$libdir/pg_prometheus'
 relocatable = true