diff --git a/benchmarks/lib/byte-buddy-1.12.7.jar b/benchmarks/lib/byte-buddy-1.12.7.jar
new file mode 100644
index 000000000..33faa1cc2
Binary files /dev/null and b/benchmarks/lib/byte-buddy-1.12.7.jar differ
diff --git a/build/apiguardian-api-1.1.2.jar b/build/apiguardian-api-1.1.2.jar
new file mode 100644
index 000000000..2b678e154
Binary files /dev/null and b/build/apiguardian-api-1.1.2.jar differ
diff --git a/build/junit-4.12.jar b/build/junit-4.12.jar
deleted file mode 100644
index 3a7fc266c..000000000
Binary files a/build/junit-4.12.jar and /dev/null differ
diff --git a/build/junit-jupiter-5.8.2.jar b/build/junit-jupiter-5.8.2.jar
new file mode 100644
index 000000000..7f2b1f0ba
Binary files /dev/null and b/build/junit-jupiter-5.8.2.jar differ
diff --git a/build/junit-jupiter-api-5.8.2.jar b/build/junit-jupiter-api-5.8.2.jar
new file mode 100644
index 000000000..b8e3f6861
Binary files /dev/null and b/build/junit-jupiter-api-5.8.2.jar differ
diff --git a/build/junit-jupiter-engine-5.8.2.jar b/build/junit-jupiter-engine-5.8.2.jar
new file mode 100644
index 000000000..06b22126c
Binary files /dev/null and b/build/junit-jupiter-engine-5.8.2.jar differ
diff --git a/build/junit-jupiter-params-5.8.2.jar b/build/junit-jupiter-params-5.8.2.jar
new file mode 100644
index 000000000..78a12de4e
Binary files /dev/null and b/build/junit-jupiter-params-5.8.2.jar differ
diff --git a/build/junit-platform-commons-1.8.2.jar b/build/junit-platform-commons-1.8.2.jar
new file mode 100644
index 000000000..e0cf08744
Binary files /dev/null and b/build/junit-platform-commons-1.8.2.jar differ
diff --git a/build/junit-platform-engine-1.8.2.jar b/build/junit-platform-engine-1.8.2.jar
new file mode 100644
index 000000000..85bac8a63
Binary files /dev/null and b/build/junit-platform-engine-1.8.2.jar differ
diff --git a/build/opentest4j-1.2.0.jar b/build/opentest4j-1.2.0.jar
new file mode 100644
index 000000000..d5006361a
Binary files /dev/null and b/build/opentest4j-1.2.0.jar differ
diff --git a/eclipse/.classpath b/eclipse/.classpath
index f3cfdb029..9ff92d662 100644
--- a/eclipse/.classpath
+++ b/eclipse/.classpath
@@ -7,11 +7,11 @@
 	<classpathentry exported="true" kind="lib" path="lib/reflectasm-1.11.9.jar"/>
 	<classpathentry exported="true" kind="lib" path="lib/objenesis-3.2.jar"/>
 	<classpathentry kind="lib" path="build/commons-lang-2.6.jar"/>
-	<classpathentry kind="lib" path="build/junit-4.12.jar"/>
 	<classpathentry kind="lib" path="build/hamcrest-core-1.3.jar"/>
 	<classpathentry kind="lib" path="benchmarks/lib/commons-cli-1.3.1.jar"/>
 	<classpathentry kind="lib" path="benchmarks/lib/jmh-core-1.21.jar"/>
 	<classpathentry kind="lib" path="benchmarks/lib/jmh-generator-annprocess-1.21.jar"/>
+	<classpathentry kind="lib" path="benchmarks/lib/byte-buddy-1.12.7.jar"/>
 	<classpathentry kind="src" path=".apt_generated">
 		<attributes>
 			<attribute name="optional" value="true"/>
@@ -19,6 +19,18 @@
 	</classpathentry>
 	<classpathentry kind="lib" path="benchmarks/lib/commons-math3-3.2.jar"/>
 	<classpathentry kind="lib" path="benchmarks/lib/jopt-simple-4.6.jar"/>
-	<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">
+		<attributes>
+			<attribute name="module" value="true"/>
+		</attributes>
+	</classpathentry>
+	<classpathentry kind="lib" path="build/junit-jupiter-5.8.2.jar"/>
+	<classpathentry kind="lib" path="build/junit-jupiter-api-5.8.2.jar"/>
+	<classpathentry kind="lib" path="build/junit-jupiter-engine-5.8.2.jar"/>
+	<classpathentry kind="lib" path="build/junit-jupiter-params-5.8.2.jar"/>
+	<classpathentry kind="lib" path="build/junit-platform-commons-1.8.2.jar"/>
+	<classpathentry kind="lib" path="build/junit-platform-engine-1.8.2.jar"/>
+	<classpathentry kind="lib" path="build/opentest4j-1.2.0.jar"/>
+	<classpathentry kind="lib" path="build/apiguardian-api-1.1.2.jar"/>
 	<classpathentry kind="output" path="bin"/>
 </classpath>