diff --git a/SQL/mysql.initial.sql b/SQL/mysql.initial.sql
index b0afca75f2..d6600d719a 100644
--- a/SQL/mysql.initial.sql
+++ b/SQL/mysql.initial.sql
@@ -272,4 +272,4 @@ CREATE TABLE `system` (
 
 SET FOREIGN_KEY_CHECKS=1;
 
-INSERT INTO `system` (`name`, `value`) VALUES ('roundcube-version', '2025092300');
+INSERT INTO `system` (`name`, `value`) VALUES ('roundcube-version', '2026071900');
diff --git a/SQL/mysql/2026071900.sql b/SQL/mysql/2026071900.sql
new file mode 100644
index 0000000000..7778aa3225
--- /dev/null
+++ b/SQL/mysql/2026071900.sql
@@ -0,0 +1 @@
+-- Postgres only
\ No newline at end of file
diff --git a/SQL/postgres.initial.sql b/SQL/postgres.initial.sql
index 4c506efe4f..29734db4dc 100644
--- a/SQL/postgres.initial.sql
+++ b/SQL/postgres.initial.sql
@@ -290,7 +290,7 @@ CREATE TABLE cache_messages (
     user_id integer NOT NULL
         REFERENCES users (user_id) ON DELETE CASCADE ON UPDATE CASCADE,
     mailbox varchar(255) NOT NULL,
-    uid integer NOT NULL,
+    uid bigint NOT NULL,
     expires timestamp with time zone,
     data text NOT NULL,
     flags integer NOT NULL DEFAULT 0,
@@ -390,4 +390,4 @@ CREATE TABLE "system" (
     value text
 );
 
-INSERT INTO "system" (name, value) VALUES ('roundcube-version', '2025092300');
+INSERT INTO "system" (name, value) VALUES ('roundcube-version', '2026071900');
diff --git a/SQL/postgres/2026071900.sql b/SQL/postgres/2026071900.sql
new file mode 100644
index 0000000000..7858c11e3f
--- /dev/null
+++ b/SQL/postgres/2026071900.sql
@@ -0,0 +1 @@
+ALTER TABLE "cache_messages" ALTER COLUMN uid TYPE bigint;
diff --git a/SQL/sqlite.initial.sql b/SQL/sqlite.initial.sql
index e6fe2f77f1..d38e9d55a4 100644
--- a/SQL/sqlite.initial.sql
+++ b/SQL/sqlite.initial.sql
@@ -274,4 +274,4 @@ CREATE TABLE system (
   value text NOT NULL
 );
 
-INSERT INTO system (name, value) VALUES ('roundcube-version', '2025092300');
+INSERT INTO system (name, value) VALUES ('roundcube-version', '2026071900');
diff --git a/SQL/sqlite/2026071900.sql b/SQL/sqlite/2026071900.sql
new file mode 100644
index 0000000000..7778aa3225
--- /dev/null
+++ b/SQL/sqlite/2026071900.sql
@@ -0,0 +1 @@
+-- Postgres only
\ No newline at end of file