diff --git a/pom.xml b/pom.xml
index a3c81da2b9..e6fb7d10dc 100644
--- a/pom.xml
+++ b/pom.xml
@@ -191,13 +191,18 @@
 		<solvers-vcell-mac.version>v0.0.44-dev4</solvers-vcell-mac.version>
 		<solvers-vcell-windows.version>v0.0.40</solvers-vcell-windows.version>
 		<solvers-vcell-linux.version>v0.0.44-dev4</solvers-vcell-linux.version>
-		<solvers-langevin-mac.version>1.4.2</solvers-langevin-mac.version>
-		<solvers-langevin-windows.version>1.4.2</solvers-langevin-windows.version>
-		<solvers-langevin-linux.version>1.4.2</solvers-langevin-linux.version>
+		<solvers-langevin-mac.version>1.4.4</solvers-langevin-mac.version>
+		<solvers-langevin-windows.version>1.4.4</solvers-langevin-windows.version>
+		<solvers-langevin-linux.version>1.4.4</solvers-langevin-linux.version>
 	</properties>
 
 
 	<repositories>
+		<!-- we use this because javax.media:jai_core:1.1.3 is not available in Maven Central or in the Alfresco repository -->
+		<repository>
+			<id>osgeo</id>
+			<url>https://repo.osgeo.org/repository/release/</url>
+		</repository>
 		<!-- needed for com.mxgraph.jgraphx -->
 		<repository>
 			<id>com.alfresco.repository.public</id>