diff --git a/hash/pc1000.xml b/hash/pc1000.xml
index 768586ccabb..3755db410d4 100644
--- a/hash/pc1000.xml
+++ b/hash/pc1000.xml
@@ -17,7 +17,7 @@ license:CC0-1.0
 
 	<software name="explor"> <!-- only working with PreComputer 1000 or MisterX -->
 		<description>Explorations</description>
-		<year>1988</year>
+		<year>1991</year>
 		<publisher>VTech</publisher>
 		<part name="rom" interface="genius_cart">
 			<dataarea name="rom" size="0x20000">
@@ -132,7 +132,7 @@ license:CC0-1.0
 
 	<software name="cgen2">     <!-- cart for Ordisavant -->
 		<description>Connaissances Generales II</description>
-		<year>1988</year>
+		<year>1989</year>
 		<publisher>VTech</publisher>
 		<part name="rom" interface="genius_cart">
 			<dataarea name="rom" size="0x20000">
@@ -143,7 +143,7 @@ license:CC0-1.0
 
 	<software name="encyclop">  <!-- cart for Ordisavant -->
 		<description>Encyclopedie</description>
-		<year>1988</year>
+		<year>1989</year>
 		<publisher>VTech</publisher>
 		<part name="rom" interface="genius_cart">
 			<dataarea name="rom" size="0x20000">