diff --git a/data/CMakeLists.txt b/data/CMakeLists.txt
index f95c2e4d01..aa91b58a73 100644
--- a/data/CMakeLists.txt
+++ b/data/CMakeLists.txt
@@ -45,7 +45,7 @@ set(ALL_SQL_IN "${CMAKE_CURRENT_BINARY_DIR}/all.sql.in")
 set(PROJ_DB "${CMAKE_CURRENT_BINARY_DIR}/proj.db")
 include(sql_filelist.cmake)
 
-set(PROJ_DB_SQL_EXPECTED_MD5 "4e70fd45d0ba64a6a80481f7e6e2ee4a")
+set(PROJ_DB_SQL_EXPECTED_MD5 "ebd417c2eef512ac3a70abd3e34ce70b")
 
 add_custom_command(
   OUTPUT ${PROJ_DB}
diff --git a/data/sql/grid_alternatives.sql b/data/sql/grid_alternatives.sql
index d693b56404..21ea8e31a6 100644
--- a/data/sql/grid_alternatives.sql
+++ b/data/sql/grid_alternatives.sql
@@ -123,6 +123,9 @@ VALUES
 -- de_lgvl_saarland - LVGL Saarland
 ('SeTa2016.gsb','de_lgvl_saarland_SeTa2016.tif','SeTa2016.gsb','GTiff','hgridshift',0,NULL,'https://cdn.proj.org/de_lgvl_saarland_SeTa2016.tif',1,1,NULL),
 
+-- de_tlbg_thueringen - TLBG Thüringen
+('de_tlbg_thuringen_NTv2gridTH.gsb','de_tlbg_thueringen_NTv2gridTH.tif',NULL,'GTiff','hgridshift',0,NULL,'https://cdn.proj.org/de_tlbg_thueringen_NTv2gridTH.tif',1,1,NULL),
+
 -- dk_sdfe - Danish Agency for Data Supply and Efficiency
 -- Denmark mainland
 ('dnn.gtx','dk_sdfe_dnn.tif','dnn.gtx','GTiff','geoid_like',0,NULL,'https://cdn.proj.org/dk_sdfe_dnn.tif',1,1,NULL),