diff --git a/jnml b/jnml
index 56dfa98..5a5ae99 100755
--- a/jnml
+++ b/jnml
@@ -5,7 +5,7 @@
 #   Type java -X for more info
 export JNML_MAX_MEMORY=400M
 
-export JNML_VERSION=0.12.3
+export JNML_VERSION=0.12.4
 
 
 export CLASSPATH=.:./target/jNeuroML-$JNML_VERSION-jar-with-dependencies.jar:$JNML_HOME/target/jNeuroML-$JNML_VERSION-jar-with-dependencies.jar
diff --git a/jnml.bat b/jnml.bat
index b551b45..2702580 100644
--- a/jnml.bat
+++ b/jnml.bat
@@ -1,6 +1,6 @@
 @echo off
 
-set JNML_VERSION=0.12.3
+set JNML_VERSION=0.12.4
 
 set CLASSPATH=target\jNeuroML-%JNML_VERSION%-jar-with-dependencies.jar;%JNML_HOME%\jNeuroML-%JNML_VERSION%-jar-with-dependencies.jar
 
diff --git a/pom.xml b/pom.xml
index 9e9a199..889ee05 100644
--- a/pom.xml
+++ b/pom.xml
@@ -4,7 +4,7 @@
 
     <groupId>org.neuroml</groupId>
     <artifactId>jNeuroML</artifactId>
-    <version>0.12.3</version>
+    <version>0.12.4</version>
     <packaging>jar</packaging>
 
     <name>jNeuroML</name>
@@ -24,12 +24,12 @@
         <dependency>
             <groupId>org.neuroml1.model</groupId>
             <artifactId>org.neuroml1.model</artifactId>
-            <version>1.9.0</version>
+            <version>1.9.1</version>
         </dependency>
         <dependency>
             <groupId>org.neuroml.import</groupId>
             <artifactId>org.neuroml.import</artifactId>
-            <version>1.9.0</version>
+            <version>1.9.1</version>
         </dependency>
 
         <!-- Dependencies to force use of log4j 2.17.1 -->
@@ -59,7 +59,7 @@
                             &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/JNeuroML.java b/src/main/java/org/neuroml/JNeuroML.java
index e6ba782..d08e543 100644
--- a/src/main/java/org/neuroml/JNeuroML.java
+++ b/src/main/java/org/neuroml/JNeuroML.java
@@ -60,7 +60,7 @@ public class JNeuroML
 
     public static final String JNML_SCRIPT = "jnml";
 
-    public static final String JNML_VERSION = "0.12.3";
+    public static final String JNML_VERSION = "0.12.4";
 
     public static final String HELP_FLAG = "-help";
     public static final String HELP_FLAG_SHORT = "-h";