diff --git a/pom.xml b/pom.xml
index 6bfa1f5..1ec1952 100644
--- a/pom.xml
+++ b/pom.xml
@@ -4,7 +4,7 @@
     <groupId>org.neuroml.import</groupId>
     <artifactId>org.neuroml.import</artifactId>
     <packaging>jar</packaging>
-    <version>1.9.0</version>
+    <version>1.9.1</version>
     <name>org.neuroml.import</name>
     <url>http://maven.apache.org</url>
     <repositories>
@@ -29,7 +29,7 @@
         <dependency>
             <groupId>org.neuroml.export</groupId>
             <artifactId>org.neuroml.export</artifactId>
-            <version>1.9.0</version>
+            <version>1.9.1</version>
         </dependency>
 
         <dependency>
@@ -71,7 +71,7 @@
                             &lt;br /&gt;
                             &lt;br /&gt;
                     </top>
-                    <bottom>Copyright NeuroML Contributors 2021</bottom>
+                    <bottom>Copyright NeuroML Contributors 2023</bottom>
                 </configuration>
             </plugin>
             <plugin>
diff --git a/src/main/java/org/neuroml/importer/Main.java b/src/main/java/org/neuroml/importer/Main.java
index 7e3c41f..f2b3baa 100644
--- a/src/main/java/org/neuroml/importer/Main.java
+++ b/src/main/java/org/neuroml/importer/Main.java
@@ -4,5 +4,5 @@
 public class Main
 {
 
-    public static String ORG_NEUROML_IMPORT_VERSION = "1.9.0";
+    public static String ORG_NEUROML_IMPORT_VERSION = "1.9.1";
 }