diff --git a/gradle.properties b/gradle.properties
index 6c056af58a..380874839b 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -11,14 +11,14 @@ jUnitPlatformVersion=1.8.2
 jUnitVersion=4.13.2
 kotlinJvmTarget=17
 kotlinVersion=1.6.20
-lsp4jVersion=0.12.0
+lsp4jVersion=0.14.0
 mwe2LaunchVersion=2.12.2
 openTest4jVersion=1.2.0
 resourcesVersion=3.16.0
-runtimeVersion=3.24.0
+runtimeVersion=3.25.0
 shadowJarVersion=7.1.2
 xtextGradleVersion=3.0.0
-xtextVersion=2.26.0
+xtextVersion=2.27.0
 
 [manifestPropertyNames]
 org.eclipse.xtext=xtextVersion
diff --git a/oomph/LinguaFranca.setup b/oomph/LinguaFranca.setup
index 3e5685482b..74b68e8feb 100644
--- a/oomph/LinguaFranca.setup
+++ b/oomph/LinguaFranca.setup
@@ -161,7 +161,7 @@
         name="org.eclipse.tm.terminal.feature.feature.group"/>
     <requirement
         name="org.eclipse.xtext.sdk.feature.group"
-        versionRange="2.26.0"/>
+        versionRange="2.27.0"/>
     <repository
         url="http://download.eclipse.org/modeling/tmf/xtext/updates/composite/releases/"/>
     <description>Install the tools needed in the IDE to work with the source code for ${scope.project.label}</description>
@@ -302,10 +302,10 @@
             versionRange="27.0.0"/>
         <requirement
             name="org.eclipse.xtext.runtime.feature.group"
-            versionRange="2.26.0"/>
+            versionRange="2.27.0"/>
         <requirement
             name="org.eclipse.xtext.sdk.feature.group"
-            versionRange="2.26.0"/>
+            versionRange="2.27.0"/>
         <requirement
             name="org.eclipse.platform.source.feature.group"/>
         <requirement
@@ -349,11 +349,11 @@
         <repositoryList
             name="DefaultRepositories">
           <repository
-              url="http://download.eclipse.org/releases/2022-03"/>
+              url="http://download.eclipse.org/releases/2022-06"/>
           <repository
-              url="http://download.eclipse.org/tools/orbit/downloads/drops/R20220302172233/repository/"/>
+              url="http://download.eclipse.org/tools/orbit/downloads/drops/R20220531185310/repository/"/>
           <repository
-              url="https://download.eclipse.org/modeling/tmf/xtext/updates/releases/2.26.0/"/>
+              url="https://download.eclipse.org/modeling/tmf/xtext/updates/releases/2.27.0/"/>
           <repository
               url="http://download.eclipse.org/elk/updates/releases/0.8.1/"/>
           <repository
diff --git a/org.lflang.diagram/META-INF/MANIFEST.MF b/org.lflang.diagram/META-INF/MANIFEST.MF
index 1bae3740ee..7a4df9df52 100644
--- a/org.lflang.diagram/META-INF/MANIFEST.MF
+++ b/org.lflang.diagram/META-INF/MANIFEST.MF
@@ -14,11 +14,11 @@ Require-Bundle: de.cau.cs.kieler.klighd;bundle-version="2.0.0",
  org.eclipse.xtext.xbase.lib,
  org.eclipse.elk.core;bundle-version="0.8.1",
  org.eclipse.elk.alg.layered;bundle-version="0.8.1",
- org.eclipse.core.resources;bundle-version="3.13.900",
+ org.eclipse.core.resources;bundle-version="3.16.0",
  org.lflang;bundle-version="0.1.0",
  org.lflang.ide;bundle-version="0.1.0",
- org.eclipse.xtext.ide;bundle-version="2.26.0",
- org.eclipse.lsp4j;bundle-version="0.12.0",
- org.eclipse.lsp4j.jsonrpc;bundle-version="0.12.0",
+ org.eclipse.xtext.ide;bundle-version="2.27.0",
+ org.eclipse.lsp4j;bundle-version="0.14.0",
+ org.eclipse.lsp4j.jsonrpc;bundle-version="0.14.0",
  org.eclipse.sprotty;bundle-version="0.9.0"
 Bundle-Vendor: University of California, Berkeley
diff --git a/org.lflang.targetplatform/org.lflang.targetplatform.target b/org.lflang.targetplatform/org.lflang.targetplatform.target
index e9639650b5..3e18cdeb1b 100644
--- a/org.lflang.targetplatform/org.lflang.targetplatform.target
+++ b/org.lflang.targetplatform/org.lflang.targetplatform.target
@@ -32,18 +32,18 @@
       <unit id="com.fasterxml.jackson.core.jackson-core" version="0.0.0"/>
       <unit id="com.fasterxml.jackson.core.jackson-annotations" version="0.0.0"/>
       <unit id="com.fasterxml.jackson.core.jackson-databind" version="0.0.0"/>
-      <repository location="http://download.eclipse.org/releases/2022-03"/>
+      <repository location="http://download.eclipse.org/releases/2022-06"/>
     </location>
     <location includeAllPlatforms="false" includeConfigurePhase="true" includeMode="planner" includeSource="false" type="InstallableUnit">
       <unit id="org.eclipse.xtext.runtime.feature.group" version="0.0.0"/>
       <unit id="org.eclipse.xtext.ui.feature.group" version="0.0.0"/>
-      <repository location="http://download.eclipse.org/modeling/tmf/xtext/updates/releases/2.26.0/"/>
+      <repository location="http://download.eclipse.org/modeling/tmf/xtext/updates/releases/2.27.0/"/>
     </location>
     <location includeAllPlatforms="false" includeConfigurePhase="true" includeMode="planner" includeSource="false" type="InstallableUnit">
       <unit id="com.google.inject" version="0.0.0"/>
       <unit id="jakarta.activation" version="0.0.0"/>
       <unit id="javax.activation" version="0.0.0"/>
-      <repository location="http://download.eclipse.org/tools/orbit/downloads/drops/R20220302172233/repository/"/>
+      <repository location="http://download.eclipse.org/tools/orbit/downloads/drops/R20220531185310/repository/"/>
     </location>
     <location includeAllPlatforms="false" includeConfigurePhase="true" includeMode="planner" includeSource="false" type="InstallableUnit">
       <unit id="org.jetbrains.kotlin.feature.feature.group" version="0.0.0"/>
diff --git a/org.lflang.tests/META-INF/MANIFEST.MF b/org.lflang.tests/META-INF/MANIFEST.MF
index 51fe5e1a21..6955f40ff5 100644
--- a/org.lflang.tests/META-INF/MANIFEST.MF
+++ b/org.lflang.tests/META-INF/MANIFEST.MF
@@ -7,13 +7,13 @@ Bundle-Version: 0.2.2.qualifier
 Bundle-SymbolicName: org.lflang.tests; singleton:=true
 Bundle-ActivationPolicy: lazy
 Require-Bundle: org.lflang,
- org.junit.jupiter.api;bundle-version="[5.0.0,6.0.0)",
+ org.junit.jupiter.api;bundle-version="5.8.1",
  org.eclipse.xtext.testing,
  org.eclipse.xtext.xbase.testing,
- org.eclipse.xtext.xbase.lib;bundle-version="2.26.0",
+ org.eclipse.xtext.xbase.lib;bundle-version="2.27.0",
  javax.annotation;bundle-version="1.2.0",
  org.eclipse.core.jobs,
  org.opentest4j;bundle-version="1.2.0",
- org.eclipse.lsp4j;bundle-version="0.10.0"
+ org.eclipse.lsp4j;bundle-version="0.14.0"
 Bundle-RequiredExecutionEnvironment: JavaSE-17
 Export-Package: org.lflang.tests;x-internal=true
diff --git a/org.lflang.ui.tests/META-INF/MANIFEST.MF b/org.lflang.ui.tests/META-INF/MANIFEST.MF
index dfe9bbf854..715a4b88c7 100644
--- a/org.lflang.ui.tests/META-INF/MANIFEST.MF
+++ b/org.lflang.ui.tests/META-INF/MANIFEST.MF
@@ -7,7 +7,7 @@ Bundle-Version: 0.2.2.qualifier
 Bundle-SymbolicName: org.lflang.ui.tests; singleton:=true
 Bundle-ActivationPolicy: lazy
 Require-Bundle: org.lflang.ui,
- org.junit.jupiter.api;bundle-version="[5.0.0,6.0.0)",
+ org.junit.jupiter.api;bundle-version="5.8.1",
  org.eclipse.xtext.testing,
  org.eclipse.xtext.xbase.testing,
  org.eclipse.xtext.junit4,
diff --git a/org.lflang.ui/META-INF/MANIFEST.MF b/org.lflang.ui/META-INF/MANIFEST.MF
index acf968c32c..cfa1aa2256 100644
--- a/org.lflang.ui/META-INF/MANIFEST.MF
+++ b/org.lflang.ui/META-INF/MANIFEST.MF
@@ -16,7 +16,7 @@ Require-Bundle: org.lflang,
  org.eclipse.ui,
  org.eclipse.compare,
  org.eclipse.xtext.builder,
- org.eclipse.xtext.xbase.lib;bundle-version="2.26.0",
+ org.eclipse.xtext.xbase.lib;bundle-version="2.27.0",
  org.eclipse.ui.intro,
  org.eclipse.ui.intro.universal,
  org.eclipse.ui.console;bundle-version="3.10.100",
diff --git a/org.lflang/META-INF/MANIFEST.MF b/org.lflang/META-INF/MANIFEST.MF
index 6d52881818..a368d1e992 100644
--- a/org.lflang/META-INF/MANIFEST.MF
+++ b/org.lflang/META-INF/MANIFEST.MF
@@ -10,18 +10,18 @@ Require-Bundle: org.eclipse.xtext,
  org.eclipse.xtext.xbase,
  org.eclipse.equinox.common;bundle-version="3.5.0",
  org.eclipse.emf.ecore,
- org.eclipse.xtext.xbase.lib;bundle-version="2.26.0",
+ org.eclipse.xtext.xbase.lib;bundle-version="2.27.0",
  org.eclipse.xtext.util,
  org.eclipse.emf.common,
  org.antlr.runtime;bundle-version="[3.2.0,3.2.1)",
  com.google.guava,
  org.apache.commons.cli;bundle-version="1.4",
  org.jetbrains.kotlin.bundled-compiler;resolution:=optional,
- org.eclipse.lsp4j;bundle-version="0.12.0",
+ org.eclipse.lsp4j;bundle-version="0.14.0",
  com.fasterxml.jackson.core.jackson-core,
  com.fasterxml.jackson.core.jackson-annotations,
  com.fasterxml.jackson.core.jackson-databind,
- org.eclipse.core.runtime;bundle-version="3.23.0"
+ org.eclipse.core.runtime;bundle-version="3.25.0"
 Bundle-RequiredExecutionEnvironment: JavaSE-17
 Export-Package: org.lflang,
  org.lflang.generator,
diff --git a/pom.xml b/pom.xml
index 4ae75400d3..59d927143d 100644
--- a/pom.xml
+++ b/pom.xml
@@ -19,12 +19,16 @@
         <commonsCliVersion>1.4</commonsCliVersion>
         <!-- Note that this version is tied to our version of Gradle -->
         <kotlinVersion>1.6.20</kotlinVersion>
-        <lsp4jVersion>0.12.0</lsp4jVersion>
-        <mwe2LaunchVersion>2.12.2</mwe2LaunchVersion>
-        <!-- When the Eclipse p2 site is updated to a new version of Eclipse, then update the xtextVersion. -->
-        <xtextVersion>2.26.0</xtextVersion>
+
+        <!-- Eclipse specific components -->
+        <!-- Important: Any version specified for these plugins must be available via the update sites listed in the target platform definition. If not, the Epoch build will fail! You can find the target platform definition in org.lflang.targetplatform/org.lflang.targetplatform.target. Changes to the target platform should also be transferred to the oomph setup (oomph/LinguaFranca.setup). -->
+        <runtimeVersion>3.25.0</runtimeVersion> <!-- This version reflects the actual Eclipse release (e.g. 3.25 -> 2022-06) -->
+        <xtextVersion>2.27.0</xtextVersion>
+        <lsp4jVersion>0.14.0</lsp4jVersion> <!-- This plugin is provided by Xtext -->
+        <mwe2LaunchVersion>2.13.0</mwe2LaunchVersion> <!-- This plugin is provided by Eclipse, not Xtext -->
+
+        <!-- Tycho version used by Maven (Eclipse specific build support)-->
         <tychoVersion>2.6.0</tychoVersion>
-        <runtimeVersion>3.24.0</runtimeVersion>
 
         <!-- Maven only properties -->
         <maven.compiler.source>17</maven.compiler.source>