diff --git a/.github/workflows/release.yaml b/.github/workflows/release.yaml
index 2cbddf6..73c88c6 100644
--- a/.github/workflows/release.yaml
+++ b/.github/workflows/release.yaml
@@ -66,4 +66,4 @@ jobs:
         run: |
           gh release upload ${{ github.event.release.tag_name }} grids/nl_nsgi/bq_nsgi_bongeo2004.tif
           gh release upload ${{ github.event.release.tag_name }} grids/nl_nsgi/nllat2018.gtx
-          gh release upload ${{ github.event.release.tag_name }} grids/null
+
diff --git a/Dockerfile b/Dockerfile
index 23a54bf..df4fe91 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM osgeo/proj:9.3.1
+FROM osgeo/proj:9.4.1
 
 RUN apt update \
     && apt upgrade -y \
diff --git a/grids/null b/grids/null
deleted file mode 100644
index 8418408..0000000
Binary files a/grids/null and /dev/null differ
diff --git a/sql/nl_nsgi_20_datum_and_crs.sql b/sql/nl_nsgi_20_datum_and_crs.sql
index 926130a..0eac5ed 100644
--- a/sql/nl_nsgi_20_datum_and_crs.sql
+++ b/sql/nl_nsgi_20_datum_and_crs.sql
@@ -1118,6 +1118,7 @@ VALUES
         NULL,
         NULL,
         NULL,
+        NULL,
         0
     ),
     (
@@ -1129,6 +1130,7 @@ VALUES
         NULL,
         NULL,
         NULL,
+        NULL,
         0
     ),
     (
@@ -1140,6 +1142,7 @@ VALUES
         NULL,
         NULL,
         NULL,
+        NULL,
         0
     );
     
@@ -1359,4 +1362,4 @@ VALUES
         '3820',
         'EPSG',
         '1142'
-    );
\ No newline at end of file
+    );