diff --git a/Dockerfile b/Dockerfile
index 5f146ea..bb0b46f 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -78,7 +78,7 @@ RUN apt-get update \
 && rm -rf /var/lib/{apt,dpkg,cache,log}/
 
 # Set up PostGIS
-RUN wget http://download.osgeo.org/postgis/source/postgis-3.0.0rc2.tar.gz -O postgis.tar.gz \
+RUN wget http://download.osgeo.org/postgis/source/postgis-3.0.0.tar.gz -O postgis.tar.gz \
  && mkdir -p postgis_src \
  && tar -xvzf postgis.tar.gz --strip 1 -C postgis_src \
  && rm postgis.tar.gz \