diff --git a/org.knime.scijava.commands.testing/.classpath b/org.knime.scijava.commands.testing/.classpath
index eca7bdb..e801ebf 100644
--- a/org.knime.scijava.commands.testing/.classpath
+++ b/org.knime.scijava.commands.testing/.classpath
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <classpath>
-	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8"/>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-11"/>
 	<classpathentry kind="con" path="org.eclipse.pde.core.requiredPlugins"/>
 	<classpathentry kind="src" path="src"/>
 	<classpathentry kind="output" path="bin"/>
diff --git a/org.knime.scijava.commands.testing/META-INF/MANIFEST.MF b/org.knime.scijava.commands.testing/META-INF/MANIFEST.MF
index 8fa46ae..44f9c9e 100644
--- a/org.knime.scijava.commands.testing/META-INF/MANIFEST.MF
+++ b/org.knime.scijava.commands.testing/META-INF/MANIFEST.MF
@@ -4,7 +4,7 @@ Bundle-Name: KNIP Scijava Commands Testing
 Bundle-SymbolicName: org.knime.scijava.commands.testing;singleton:=true
 Bundle-Version: 0.6.2.qualifier
 Fragment-Host: org.knime.scijava.commands;bundle-version="0.1.0"
-Bundle-RequiredExecutionEnvironment: JavaSE-1.8
+Bundle-RequiredExecutionEnvironment: JavaSE-11
 Eclipse-BuddyPolicy: registered
 Require-Bundle: org.knime.testing;bundle-version="3.0.0",
  org.knime.core;bundle-version="3.0.0",
diff --git a/org.knime.scijava.commands/.classpath b/org.knime.scijava.commands/.classpath
index 20fefe5..ea49bcc 100644
--- a/org.knime.scijava.commands/.classpath
+++ b/org.knime.scijava.commands/.classpath
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <classpath>
-	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8"/>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-11"/>
 	<classpathentry kind="con" path="org.eclipse.pde.core.requiredPlugins"/>
 	<classpathentry excluding="org/knime/knip/scijava/commands/adapter/basic/ImgInputAdapter.java|org/knime/knip/scijava/commands/adapter/basic/ImgOutputAdapter.java|org/knime/knip/scijava/commands/adapter/basic/ImgPlusInputAdapter.java|org/knime/knip/scijava/commands/adapter/basic/ImgPlusOutputAdapter.java" kind="src" path="src"/>
 	<classpathentry kind="output" path="bin"/>
diff --git a/org.knime.scijava.commands/META-INF/MANIFEST.MF b/org.knime.scijava.commands/META-INF/MANIFEST.MF
index 32b1e16..c72a381 100644
--- a/org.knime.scijava.commands/META-INF/MANIFEST.MF
+++ b/org.knime.scijava.commands/META-INF/MANIFEST.MF
@@ -16,7 +16,7 @@ Require-Bundle: org.eclipse.core.runtime;bundle-version="3.11.0",
  scijava-ui-awt;bundle-version="0.1.6",
  scijava-ui-swing;bundle-version="0.11.0",
  org.knime.scijava.core;bundle-version="0.6.1"
-Bundle-RequiredExecutionEnvironment: JavaSE-1.8
+Bundle-RequiredExecutionEnvironment: JavaSE-11
 Bundle-ActivationPolicy: lazy
 Bundle-ClassPath: scijava_commands.jar
 Export-Package: org.knime.scijava.commands,
diff --git a/org.knime.scijava.core/.classpath b/org.knime.scijava.core/.classpath
index eca7bdb..e801ebf 100644
--- a/org.knime.scijava.core/.classpath
+++ b/org.knime.scijava.core/.classpath
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <classpath>
-	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8"/>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-11"/>
 	<classpathentry kind="con" path="org.eclipse.pde.core.requiredPlugins"/>
 	<classpathentry kind="src" path="src"/>
 	<classpathentry kind="output" path="bin"/>
diff --git a/org.knime.scijava.core/META-INF/MANIFEST.MF b/org.knime.scijava.core/META-INF/MANIFEST.MF
index 7d21b40..8e69305 100644
--- a/org.knime.scijava.core/META-INF/MANIFEST.MF
+++ b/org.knime.scijava.core/META-INF/MANIFEST.MF
@@ -9,7 +9,7 @@ Require-Bundle: org.eclipse.core.runtime;bundle-version="3.11.0",
  org.knime.base;bundle-version="[3.3.0,5.0.0)",
  org.knime.workbench.repository;bundle-version="[3.3.0,5.0.0)",
  scijava-common;bundle-version="2.74.2"
-Bundle-RequiredExecutionEnvironment: JavaSE-1.8
+Bundle-RequiredExecutionEnvironment: JavaSE-11
 Bundle-ActivationPolicy: lazy
 Bundle-ClassPath: .
 Export-Package: org.knime.scijava.core,