diff --git a/msi.gama.parent/pom.xml b/msi.gama.parent/pom.xml
index ee3628e0b5..baaa3a1dba 100644
--- a/msi.gama.parent/pom.xml
+++ b/msi.gama.parent/pom.xml
@@ -374,8 +374,8 @@
 				<version>${tycho.version}</version>
 				<configuration>
 					<debug>false</debug>
-					<source>11</source>
-					<target>11</target>
+					<source>14</source>
+					<target>14</target>
 					<compilerArgument>-warn:+discouraged,forbidden</compilerArgument>
 					<useProjectSettings>false</useProjectSettings>
 					<generatedSourcesDirectory>gaml</generatedSourcesDirectory>
@@ -388,8 +388,8 @@
 				<version>${tycho.version}</version>
 				<extensions>true</extensions>
 				<configuration>
-					<source>11</source>
-					<target>11</target>
+					<source>14</source>
+					<target>14</target>
 					<!--<compilerArgument>-proc:none</compilerArgument> -->
 					<annotationProcessors>
 						<annotationProcessor>msi.gama.precompiler.GamaProcessor</annotationProcessor>
@@ -594,8 +594,8 @@
 					<version>3.8.1</version>
 					<configuration>
 						<compilerId>eclipse</compilerId>
-						<source>11</source>
-						<target>11</target>
+						<source>14</source>
+						<target>14</target>
 						<encoding>${project.build.sourceEncoding}</encoding>
 						<showWarnings>true</showWarnings>
 						<showDeprecation>true</showDeprecation>
diff --git a/msi.gama.processor/pom.xml b/msi.gama.processor/pom.xml
index 471f77a615..df83748992 100644
--- a/msi.gama.processor/pom.xml
+++ b/msi.gama.processor/pom.xml
@@ -111,8 +111,8 @@
 				<artifactId>maven-compiler-plugin</artifactId>
 				<version>3.8.1</version>
 				<configuration>
-					<source>11</source>
-					<target>11</target>
+					<source>14</source>
+					<target>14</target>
 				</configuration>
 			</plugin>
 			<plugin>
@@ -120,8 +120,8 @@
 				<artifactId>tycho-compiler-plugin</artifactId>
 				<version>2.1.0</version>
 				<configuration>
-					<source>11</source>
-					<target>11</target>
+					<source>14</source>
+					<target>14</target>
                 	<compilerArgument>-warn:+discouraged,forbidden</compilerArgument>
                 	<useProjectSettings>false</useProjectSettings>
 				</configuration>
@@ -132,8 +132,8 @@
 				<version>2.1.0</version>
 				<extensions>true</extensions>
 				<configuration>
-					<source>11</source>
-					<target>11</target>
+					<source>14</source>
+					<target>14</target>
 					<compilerArgument>-proc:none</compilerArgument>
 				</configuration>
 				<!-- FIX the JDT core due to bug in tycho https://www.eclipse.org/forums/index.php/t/1068443/ -->
diff --git a/ummisco.gama.annotations/pom.xml b/ummisco.gama.annotations/pom.xml
index 9d9446b098..0ec7c6ca99 100644
--- a/ummisco.gama.annotations/pom.xml
+++ b/ummisco.gama.annotations/pom.xml
@@ -110,8 +110,8 @@
 				<artifactId>maven-compiler-plugin</artifactId>
 				<version>3.8.1</version>
 				<configuration>
-					<source>11</source>
-					<target>11</target>
+					<source>14</source>
+					<target>14</target>
 				</configuration>
 			</plugin>
 			<plugin>
@@ -119,8 +119,8 @@
 				<artifactId>tycho-compiler-plugin</artifactId>
 				<version>2.1.0</version>
 				<configuration>
-					<source>11</source>
-					<target>11</target>
+					<source>14</source>
+					<target>14</target>
 				</configuration>
 			</plugin>
 			<plugin>
@@ -129,8 +129,8 @@
 				<version>2.1.0</version>
 				<extensions>true</extensions>
 				<configuration>
-					<source>11</source>
-					<target>11</target>
+					<source>14</source>
+					<target>14</target>
 					<compilerArgument>-proc:none</compilerArgument>
 				</configuration>
 				<!-- FIX the JDT core due to bug in tycho https://www.eclipse.org/forums/index.php/t/1068443/ -->