diff --git a/pom.xml b/pom.xml
index 18f36db..835a091 100644
--- a/pom.xml
+++ b/pom.xml
@@ -45,7 +45,7 @@
     <dependency>
       <groupId>com.samskivert</groupId>
       <artifactId>samskivert</artifactId>
-      <version>1.7</version>
+      <version>1.8-SNAPSHOT</version>
       <scope>compile</scope>
     </dependency>
     <dependency>
@@ -76,7 +76,7 @@
     <dependency>
       <groupId>org.hsqldb</groupId>
       <artifactId>hsqldb</artifactId>
-      <version>2.0.0</version>
+      <version>2.2.4</version>
       <scope>test</scope>
     </dependency>
   </dependencies>
diff --git a/src/test/java/com/samskivert/depot/MigrationTest.java b/src/test/java/com/samskivert/depot/MigrationTest.java
index a48dc57..42d0888 100644
--- a/src/test/java/com/samskivert/depot/MigrationTest.java
+++ b/src/test/java/com/samskivert/depot/MigrationTest.java
@@ -74,8 +74,7 @@ public class MigrationTest extends TestBase
         "CREATE MEMORY TABLE PUBLIC.\"DepotSchemaVersion\"(" +
         "\"persistentClass\" VARCHAR(255) NOT NULL PRIMARY KEY," +
         "\"version\" INTEGER NOT NULL," +
-        "\"migratingVersion\" INTEGER NOT NULL," +
-        "UNIQUE(\"persistentClass\"))",
+        "\"migratingVersion\" INTEGER NOT NULL)",
 
         "CREATE MEMORY TABLE PUBLIC.\"MigrationTest$PKMigrationRecord\"(" +
         "\"id\" INTEGER DEFAULT 0 NOT NULL," +