diff --git a/repository-postgresql/src/main/java/org/lfenergy/compas/scl/data/repository/postgresql/CompasSclDataPostgreSQLRepository.java b/repository-postgresql/src/main/java/org/lfenergy/compas/scl/data/repository/postgresql/CompasSclDataPostgreSQLRepository.java
index f6685b08..110ad5af 100644
--- a/repository-postgresql/src/main/java/org/lfenergy/compas/scl/data/repository/postgresql/CompasSclDataPostgreSQLRepository.java
+++ b/repository-postgresql/src/main/java/org/lfenergy/compas/scl/data/repository/postgresql/CompasSclDataPostgreSQLRepository.java
@@ -56,6 +56,7 @@ public List<IItem> list(SclFileType type) {
                   from (select distinct on (scl_file.id) *
                           from scl_file
                          where scl_file.type = ?
+                         AND scl_file.is_deleted = false
                          order by scl_file.id
                                 , scl_file.major_version desc
                                 , scl_file.minor_version desc
@@ -115,6 +116,7 @@ left outer join (
                        and scl_data.patch_version = scl_file.patch_version
                  where scl_file.id   = ?
                  and   scl_file.type = ?
+                 and   scl_file.is_deleted = false
                  order by scl_file.major_version
                         , scl_file.minor_version
                         , scl_file.patch_version
@@ -162,6 +164,7 @@ public String findByUUID(SclFileType type, UUID id, Version version) {
                  and   scl_file.major_version = ?
                  and   scl_file.minor_version = ?
                  and   scl_file.patch_version = ?
+                 and   scl_file.is_deleted = false
                 """;
 
         try (var connection = dataSource.getConnection();
@@ -191,6 +194,7 @@ public boolean hasDuplicateSclName(SclFileType type, String name) {
                 select distinct on (scl_file.id) scl_file.name
                   from scl_file
                  where scl_file.type = ?
+                 and scl_file.is_deleted = false
                  order by scl_file.id
                         , scl_file.major_version desc
                         , scl_file.minor_version desc
@@ -221,6 +225,7 @@ public IAbstractItem findMetaInfoByUUID(SclFileType type, UUID id) {
                   from scl_file
                  where scl_file.id   = ?
                  and   scl_file.type = ?
+                 and   scl_file.is_deleted = false
                  order by scl_file.major_version desc, scl_file.minor_version desc, scl_file.patch_version desc
                 """;
 
@@ -305,7 +310,8 @@ insert into scl_label(scl_id, major_version, minor_version, patch_version, label
     @Transactional(REQUIRED)
     public void delete(SclFileType type, UUID id) {
         var sql = """
-                delete from scl_file
+                UPDATE scl_file
+                 SET scl_file.is_deleted = false
                  where scl_file.id   = ?
                  and   scl_file.type = ?
                 """;
@@ -324,7 +330,8 @@ public void delete(SclFileType type, UUID id) {
     @Transactional(REQUIRED)
     public void delete(SclFileType type, UUID id, Version version) {
         var sql = """
-                delete from scl_file
+                UPDATE scl_file
+                 SET scl_file.is_deleted = false
                  where scl_file.id   = ?
                  and   scl_file.type = ?
                  and   scl_file.major_version = ?
diff --git a/repository-postgresql/src/main/resources/org/lfenergy/compas/scl/data/repository/postgresql/db/migration/v1_5__add_is_deleted_flag.sql b/repository-postgresql/src/main/resources/org/lfenergy/compas/scl/data/repository/postgresql/db/migration/v1_5__add_is_deleted_flag.sql
new file mode 100644
index 00000000..216ecf0a
--- /dev/null
+++ b/repository-postgresql/src/main/resources/org/lfenergy/compas/scl/data/repository/postgresql/db/migration/v1_5__add_is_deleted_flag.sql
@@ -0,0 +1,14 @@
+/**
+ * SPDX-FileCopyrightText: 2021 Alliander N.V.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+*/
+
+--
+-- Update SCL File Table to add soft deletion
+--
+
+ALTER TABLE scl_file 
+ADD COLUMN is_deleted BOOLEAN DEFAULT false;
+
+comment on column scl_file.is_deleted is 'Flag is the SCL File is deleted.';