diff --git a/vendor/couchbase-lite-core b/vendor/couchbase-lite-core
index 27d3530bf..89151dee5 160000
--- a/vendor/couchbase-lite-core
+++ b/vendor/couchbase-lite-core
@@ -1 +1 @@
-Subproject commit 27d3530bfc3e9dabd43735f7489059d8002b07d3
+Subproject commit 89151dee52771000cd05d645df6a85a9cf34fb9e
diff --git a/xcconfigs/Project.xcconfig b/xcconfigs/Project.xcconfig
index 9410b1fcb..432eebc6f 100644
--- a/xcconfigs/Project.xcconfig
+++ b/xcconfigs/Project.xcconfig
@@ -17,9 +17,9 @@
 //  limitations under the License.
 //
 
-CBL_VERSION_STRING                 = 3.2.0
+CBL_VERSION_STRING                 = 4.0.0
 CBL_BUILD_NUMBER                   = 0
-CBL_COPYRIGHT_YEAR                 = 2021
+CBL_COPYRIGHT_YEAR                 = 2025
 
 IPHONEOS_DEPLOYMENT_TARGET         = 12.0
 MACOSX_DEPLOYMENT_TARGET           = 12.0