diff --git a/CMakeLists.txt b/CMakeLists.txt
index 4b98a4c..73072ae 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -4,7 +4,7 @@ cmake_minimum_required(VERSION 3.16)
project(PROJ_DATA)
set(PROJ_DATA_VERSION_MAJOR 1)
-set(PROJ_DATA_VERSION_MINOR 25RC1)
+set(PROJ_DATA_VERSION_MINOR 25)
set(CPACK_SOURCE_GENERATOR "TGZ;ZIP")
set(CPACK_INCLUDE_TOPLEVEL_DIRECTORY 0)
diff --git a/copyright_and_licenses.csv b/copyright_and_licenses.csv
index b337e7c..e474707 100644
--- a/copyright_and_licenses.csv
+++ b/copyright_and_licenses.csv
@@ -233,6 +233,7 @@ nl_nsgi_README.txt,Disclaimed,Public domain,,
no_kv_arcgp-2006-sk.tif,Kartverket (SK),CC-BY-4.0,1.11,
no_kv_CD_above_Ell_ETRS89_v2021a.tif,Kartverket (SK),CC-BY-4.0,1.9,
no_kv_CD_above_Ell_ETRS89_v2023b.tif,Kartverket (SK),CC-BY-4.0,1.17,
+no_kv_CD_above_Ell_ETRS89_v2026b.tif,Kartverket (SK),CC-BY-4.0,1.26,
no_kv_ETRS89NO_NGO48_TIN.json,Kartverket (SK),CC-BY-4.0,,
no_kv_href2008a.tif,Kartverket (SK),CC-BY-4.0,,
no_kv_HREF2018B_NN2000_EUREF89.tif,Kartverket (SK),CC-BY-4.0,,
diff --git a/files.geojson b/files.geojson
index de494d5..6b86c7b 100644
--- a/files.geojson
+++ b/files.geojson
@@ -234,6 +234,7 @@
{"type":"Feature","properties":{"url":"https://cdn.proj.org/no_kv_README.txt","name":"no_kv_README.txt","source":"Kartverket (SK)","source_country":"Norway","source_id":"no_kv","source_url":"https://www.kartverket.no/","file_size":4968,"sha256sum":"b8119afd4a2950c7483e9685b9bc41f5544f78f68e66a188e59b816583b12d70"},"geometry":null},
{"type":"Feature","properties":{"url":"https://cdn.proj.org/no_kv_CD_above_Ell_ETRS89_v2021a.tif","name":"no_kv_CD_above_Ell_ETRS89_v2021a.tif","area_of_use":"Norway - onshore","type":"VERTICAL_OFFSET_VERTICAL_TO_VERTICAL","source_crs_code":"EPSG:4937","source_crs_name":"ETRS89","target_crs_code":"EPSG:9672","target_crs_name":"CD Norway depth","source":"Kartverket (SK)","source_country":"Norway","source_id":"no_kv","source_url":"https://www.kartverket.no/","description":"ETRS89 height (EPSG:4937) to CD Norway height (EPSG:9672)","file_size":1726217,"sha256sum":"dfdd67509636636435a72628782be0c8818a3b417f6da8668e73377fbb8ed843","version_added":"1.9"},"geometry":{"type":"Polygon","coordinates":[[[4.0,57.0],[32.0,57.0],[32.0,72.0],[4.0,72.0],[4.0,57.0]]]}},
{"type":"Feature","properties":{"url":"https://cdn.proj.org/no_kv_CD_above_Ell_ETRS89_v2023b.tif","name":"no_kv_CD_above_Ell_ETRS89_v2023b.tif","area_of_use":"Norway - inshore and nearshore","type":"VERTICAL_OFFSET_GEOGRAPHIC_TO_VERTICAL","source_crs_code":"EPSG:4937","source_crs_name":"ETRS89","target_crs_code":"EPSG:9672","target_crs_name":"CD Norway depth","source":"Kartverket (SK)","source_country":"Norway","source_id":"no_kv","source_url":"https://www.kartverket.no/","description":"ETRS89 height (EPSG:4937) to CD Norway height (EPSG:9672)","file_size":2900030,"sha256sum":"4cfa3faaccd8e33a54cca404f5cf533b905648893772c81cc755f82ab83f912a","version_added":"1.17"},"geometry":{"type":"Polygon","coordinates":[[[4.0,57.0],[32.0,57.0],[32.0,72.0],[4.0,72.0],[4.0,57.0]]]}},
+{"type":"Feature","properties":{"url":"https://cdn.proj.org/no_kv_CD_above_Ell_ETRS89_v2026b.tif","name":"no_kv_CD_above_Ell_ETRS89_v2026b.tif","area_of_use":"Norway - inshore and nearshore","type":"VERTICAL_OFFSET_GEOGRAPHIC_TO_VERTICAL","source_crs_code":"EPSG:10874","source_crs_name":"ETRS89-NOR [EUREF89]","target_crs_code":"EPSG:9672","target_crs_name":"CD Norway depth","source":"Kartverket (SK)","source_country":"Norway","source_id":"no_kv","source_url":"https://www.kartverket.no/","description":"ETRS89-NOR height (EPSG:10874) to CD Norway height (EPSG:9672)","file_size":3040187,"sha256sum":"986bbb64c62e038c4eea6305162841ad6726ee4c16b4e354673335a5efd3ca11","version_added":"1.26"},"geometry":{"type":"Polygon","coordinates":[[[4.0,57.0],[32.0,57.0],[32.0,72.0],[4.0,72.0],[4.0,57.0]]]}},
{"type":"Feature","properties":{"url":"https://cdn.proj.org/no_kv_ETRS89NO_NGO48_TIN.json","name":"no_kv_ETRS89NO_NGO48_TIN.json","area_of_use":"Norway - onshore","type":"TRIANGULATION","source":"Kartverket (SK)","source_country":"Norway","source_id":"no_kv","source_url":"https://www.kartverket.no/","description":"Triangulation to transform coordinates from EUREF89 (EPSG:4258) to NGO1948 (EPSG:4273), with longitude/latitude order. (version 1.2)","file_size":2449994,"sha256sum":"9b2c376f8ff0c91400015d84b0158e16a86f270cb2b5af03f3d50260da39b1e9"},"geometry":{"type":"Polygon","coordinates":[[[4.68,57.93],[31.22,57.93],[31.22,71.21],[4.68,71.21],[4.68,57.93]]]}},
{"type":"Feature","properties":{"url":"https://cdn.proj.org/no_kv_HREF2018B_NN2000_EUREF89.tif","name":"no_kv_HREF2018B_NN2000_EUREF89.tif","area_of_use":"Norway","type":"VERTICAL_OFFSET_GEOGRAPHIC_TO_VERTICAL","source_crs_code":"EPSG:4937","source_crs_name":"ETRS89","target_crs_code":"EPSG:5941","target_crs_name":"NN2000:2018 height","source":"Kartverket (SK)","source_country":"Norway","source_id":"no_kv","source_url":"https://www.kartverket.no/","description":"ETRS89 (EPSG:4937) to NN2000 height (EPSG:5941)","file_size":269504,"sha256sum":"112a42506e079a9c3f7a7a134729e4160494b101f5a9a8bcd6f5e99852b52275"},"geometry":{"type":"Polygon","coordinates":[[[4.0,57.8],[32.0,57.8],[32.0,72.0],[4.0,72.0],[4.0,57.8]]]}},
{"type":"Feature","properties":{"url":"https://cdn.proj.org/no_kv_HREF2018B_NN54_NN2000.tif","name":"no_kv_HREF2018B_NN54_NN2000.tif","area_of_use":"Norway - inshore and nearshore","type":"VERTICAL_OFFSET_VERTICAL_TO_VERTICAL","source_crs_code":"EPSG:5776","source_crs_name":"NN54 height","target_crs_code":"EPSG:5941","target_crs_name":"NN2000:2018 height","source":"Kartverket (SK)","source_country":"Norway","source_id":"no_kv","source_url":"https://www.kartverket.no/","description":"NN54 height (EPSG:5776) to NN2000 height (EPSG:5941)","file_size":443391,"sha256sum":"e5ec1d7114c6ba3ace224503b3d23f38050210865ee04d747384aafc79f67c3f","version_added":"1.24"},"geometry":{"type":"Polygon","coordinates":[[[1.0,57.0],[33.0,57.0],[33.0,72.0],[1.0,72.0],[1.0,57.0]]]}},
diff --git a/index.html b/index.html
index f86fa74..81740d8 100644
--- a/index.html
+++ b/index.html
@@ -766,6 +766,7 @@ Content
no_kv_README.txt. Last modified: 2026-03-24
no_kv_CD_above_Ell_ETRS89_v2021a.tif - Norway - onshore - ETRS89 height (EPSG:4937) to CD Norway height (EPSG:9672). Size: 1.6 MB. Last modified: 2022-01-05
no_kv_CD_above_Ell_ETRS89_v2023b.tif - Norway - inshore and nearshore - ETRS89 height (EPSG:4937) to CD Norway height (EPSG:9672). Size: 2.8 MB. Last modified: 2023-12-02
+no_kv_CD_above_Ell_ETRS89_v2026b.tif - Norway - inshore and nearshore - ETRS89-NOR height (EPSG:10874) to CD Norway height (EPSG:9672). Size: 2.9 MB. Last modified: 2026-10-19
no_kv_ETRS89NO_NGO48_TIN.json - Triangulation to transform coordinates from EUREF89 (EPSG:4258) to NGO1948 (EPSG:4273), with longitude/latitude order. (version 1.2). Size: 2.3 MB. Last modified: 2021-03-04
no_kv_HREF2018B_NN2000_EUREF89.tif - Norway - ETRS89 (EPSG:4937) to NN2000 height (EPSG:5941). Last modified: 2021-02-01
no_kv_HREF2018B_NN54_NN2000.tif - Norway - inshore and nearshore - NN54 height (EPSG:5776) to NN2000 height (EPSG:5941). Last modified: 2025-10-22
@@ -1023,7 +1024,7 @@ Content
za_cdngi_sageoid2010.tif - South Africa - ITRF2005 (EPSG:7910) to SA LLD height (EPSG:9279). Last modified: 2021-10-18
-Total size of content: 806 MB
+Total size of content: 809 MB
Logs
diff --git a/no_kv/no_kv_CD_above_Ell_ETRS89_v2026b.tif b/no_kv/no_kv_CD_above_Ell_ETRS89_v2026b.tif
new file mode 100644
index 0000000..7053ee1
Binary files /dev/null and b/no_kv/no_kv_CD_above_Ell_ETRS89_v2026b.tif differ
diff --git a/no_kv/no_kv_README.txt b/no_kv/no_kv_README.txt
index 32bb9e8..45f6c12 100644
--- a/no_kv/no_kv_README.txt
+++ b/no_kv/no_kv_README.txt
@@ -62,6 +62,16 @@ Horizontal triangulation to transform coordinates from ETRS89 (EPSG:4258) to NGO
* no_kv_CD_above_Ell_ETRS89_v2023b.tif
+### Norway: ETRS89-NOR ellipsoidal heights -> CD Norway heights
+
+*Format*: GeoTIFF converted from BIN
+*Source*: [Kartverket](https://kartkatalog.geonorge.no/metadata/middelvann-over-ellipsoiden/e857e50c-fce4-49dc-abf5-a135bad8f727)
+*License*: [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/)
+*Source CRS*: EPSG:10874 (ETRS89-NOR ellipsoidal heights)
+*Target CRS*: EPSG:9672 (Chart datum Norway heights)
+
+* no_kv_CD_above_Ell_ETRS89_v2026b.tif
+
### Norway: ETRS89 ellipsoidal heights -> Svalbard 2006 heights
*Format*: GeoTIFF converted from GravSoft BIN
diff --git a/travis/expected_main.lst b/travis/expected_main.lst
index 52193cb..6d7acd5 100644
--- a/travis/expected_main.lst
+++ b/travis/expected_main.lst
@@ -231,6 +231,7 @@ nl_nsgi_README.txt
no_kv_arcgp-2006-sk.tif
no_kv_CD_above_Ell_ETRS89_v2021a.tif
no_kv_CD_above_Ell_ETRS89_v2023b.tif
+no_kv_CD_above_Ell_ETRS89_v2026b.tif
no_kv_ETRS89NO_NGO48_TIN.json
no_kv_href2008a.tif
no_kv_HREF2018B_NN2000_EUREF89.tif