diff --git a/bramble-core/src/main/java/org/briarproject/bramble/db/JdbcDatabase.java b/bramble-core/src/main/java/org/briarproject/bramble/db/JdbcDatabase.java
index 7bdb7f373..843d4f61f 100644
--- a/bramble-core/src/main/java/org/briarproject/bramble/db/JdbcDatabase.java
+++ b/bramble-core/src/main/java/org/briarproject/bramble/db/JdbcDatabase.java
@@ -106,7 +106,7 @@ abstract class JdbcDatabase implements Database<Connection> {
 	/**
 	 * The maximum number of idle connections to keep open.
 	 */
-	private static final int MAX_CONNECTION_POOL_SIZE = 10;
+	private static final int MAX_CONNECTION_POOL_SIZE = 1;
 
 	// Time period offsets for incoming transport keys
 	private static final int OFFSET_PREV = -1;