diff --git a/builds/msvc/vs2022/libbitcoin-database/libbitcoin-database.vcxproj b/builds/msvc/vs2022/libbitcoin-database/libbitcoin-database.vcxproj
index 19300d399..2caae58cc 100644
--- a/builds/msvc/vs2022/libbitcoin-database/libbitcoin-database.vcxproj
+++ b/builds/msvc/vs2022/libbitcoin-database/libbitcoin-database.vcxproj
@@ -161,6 +161,7 @@
+
diff --git a/builds/msvc/vs2022/libbitcoin-database/libbitcoin-database.vcxproj.filters b/builds/msvc/vs2022/libbitcoin-database/libbitcoin-database.vcxproj.filters
index 85293bd77..784c7baab 100644
--- a/builds/msvc/vs2022/libbitcoin-database/libbitcoin-database.vcxproj.filters
+++ b/builds/msvc/vs2022/libbitcoin-database/libbitcoin-database.vcxproj.filters
@@ -200,6 +200,9 @@
include\bitcoin\database\memory
+
+ include\bitcoin\database\memory
+
include\bitcoin\database\memory
diff --git a/builds/msvc/vs2026/libbitcoin-database/libbitcoin-database.vcxproj.filters b/builds/msvc/vs2026/libbitcoin-database/libbitcoin-database.vcxproj.filters
index 134ca4e1f..784c7baab 100644
--- a/builds/msvc/vs2026/libbitcoin-database/libbitcoin-database.vcxproj.filters
+++ b/builds/msvc/vs2026/libbitcoin-database/libbitcoin-database.vcxproj.filters
@@ -197,10 +197,10 @@
include\bitcoin\database\memory
-
+
include\bitcoin\database\memory
-
+
include\bitcoin\database\memory
diff --git a/include/bitcoin/database.hpp b/include/bitcoin/database.hpp
index 485a1cd0f..c093da66e 100644
--- a/include/bitcoin/database.hpp
+++ b/include/bitcoin/database.hpp
@@ -37,6 +37,7 @@
#include
#include
#include
+#include
#include
#include
#include