diff --git a/org.eclipse.xtext.dev-bom/pom.xml b/org.eclipse.xtext.dev-bom/pom.xml
index 6c58ff7f4b9..c3289dfa932 100644
--- a/org.eclipse.xtext.dev-bom/pom.xml
+++ b/org.eclipse.xtext.dev-bom/pom.xml
@@ -287,37 +287,37 @@
 			<dependency>
 				<groupId>org.eclipse.lsp4j</groupId>
 				<artifactId>org.eclipse.lsp4j.debug</artifactId>
-				<version>0.21.1</version>
+				<version>0.21.2</version>
 			</dependency>
 			<dependency>
 				<groupId>org.eclipse.lsp4j</groupId>
 				<artifactId>org.eclipse.lsp4j.generator</artifactId>
-				<version>0.21.1</version>
+				<version>0.21.2</version>
 			</dependency>
 			<dependency>
 				<groupId>org.eclipse.lsp4j</groupId>
 				<artifactId>org.eclipse.lsp4j.jsonrpc.debug</artifactId>
-				<version>0.21.1</version>
+				<version>0.21.2</version>
 			</dependency>
 			<dependency>
 				<groupId>org.eclipse.lsp4j</groupId>
 				<artifactId>org.eclipse.lsp4j.jsonrpc</artifactId>
-				<version>0.21.1</version>
+				<version>0.21.2</version>
 			</dependency>
 			<dependency>
 				<groupId>org.eclipse.lsp4j</groupId>
 				<artifactId>org.eclipse.lsp4j.websocket.jakarta</artifactId>
-				<version>0.21.1</version>
+				<version>0.21.2</version>
 			</dependency>
 			<dependency>
 				<groupId>org.eclipse.lsp4j</groupId>
 				<artifactId>org.eclipse.lsp4j.websocket</artifactId>
-				<version>0.21.1</version>
+				<version>0.21.2</version>
 			</dependency>
 			<dependency>
 				<groupId>org.eclipse.lsp4j</groupId>
 				<artifactId>org.eclipse.lsp4j</artifactId>
-				<version>0.21.1</version>
+				<version>0.21.2</version>
 			</dependency>
 			<dependency>
 				<groupId>org.eclipse.platform</groupId>
diff --git a/org.eclipse.xtext.ide.tests/META-INF/MANIFEST.MF b/org.eclipse.xtext.ide.tests/META-INF/MANIFEST.MF
index 4e73ac49847..8a367e552e3 100644
--- a/org.eclipse.xtext.ide.tests/META-INF/MANIFEST.MF
+++ b/org.eclipse.xtext.ide.tests/META-INF/MANIFEST.MF
@@ -14,8 +14,8 @@ Require-Bundle: org.eclipse.xtext;bundle-version="2.34.0";visibility:=reexport,
  org.eclipse.core.runtime;bundle-version="3.24.100",
  org.eclipse.xtext.ide;bundle-version="2.34.0",
  org.junit;bundle-version="4.13.2",
- org.eclipse.lsp4j;bundle-version="[0.21.1,0.22.0)";resolution:=optional,
- org.eclipse.lsp4j.jsonrpc;bundle-version="[0.21.1,0.22.0)";resolution:=optional,
+ org.eclipse.lsp4j;bundle-version="[0.21.2,0.22.0)";resolution:=optional,
+ org.eclipse.lsp4j.jsonrpc;bundle-version="[0.21.2,0.22.0)";resolution:=optional,
  org.eclipse.xtext.testlanguages;bundle-version="2.34.0",
  org.eclipse.xtext.testlanguages.ide;bundle-version="2.34.0",
  org.eclipse.emf.mwe2.lib;bundle-version="2.17.0",
diff --git a/org.eclipse.xtext.ide/META-INF/MANIFEST.MF b/org.eclipse.xtext.ide/META-INF/MANIFEST.MF
index 1e6d3cb3740..2fe9657fd41 100644
--- a/org.eclipse.xtext.ide/META-INF/MANIFEST.MF
+++ b/org.eclipse.xtext.ide/META-INF/MANIFEST.MF
@@ -11,8 +11,8 @@ Require-Bundle: org.eclipse.xtext;bundle-version="2.34.0";visibility:=reexport,
  org.eclipse.xtend.lib;bundle-version="2.34.0",
  org.eclipse.core.runtime;bundle-version="3.24.100";resolution:=optional;x-installation:=greedy,
  org.eclipse.equinox.common;bundle-version="3.16.0",
- org.eclipse.lsp4j;bundle-version="[0.21.1,0.22.0)";resolution:=optional,
- org.eclipse.lsp4j.jsonrpc;bundle-version="[0.21.1,0.22.0)";resolution:=optional,
+ org.eclipse.lsp4j;bundle-version="[0.21.2,0.22.0)";resolution:=optional,
+ org.eclipse.lsp4j.jsonrpc;bundle-version="[0.21.2,0.22.0)";resolution:=optional,
  org.eclipse.emf.ecore.change;bundle-version="[2.14.0,3)"
 Import-Package: org.apache.log4j;version="1.2.24"
 Export-Package: org.eclipse.xtext.ide;version="2.34.0";
diff --git a/xtext-latest.target b/xtext-latest.target
index 3395026f68a..ae35e5aecfe 100644
--- a/xtext-latest.target
+++ b/xtext-latest.target
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8" standalone="no"?>
 <?pde version="3.8"?>
-<target name="xtext-latest" sequenceNumber="15">
+<target name="xtext-latest" sequenceNumber="16">
 	<locations>
 		<location includeAllPlatforms="false" includeConfigurePhase="false" includeMode="planner" includeSource="true" type="InstallableUnit">
 			<repository location="https://download.eclipse.org/modeling/emf/emf/builds/nightly/latest" />
@@ -29,7 +29,7 @@
 			<repository location="https://download.eclipse.org/eclipse/updates/4.31-I-builds" />
 		</location>
 		<location includeAllPlatforms="false" includeConfigurePhase="false" includeMode="planner" includeSource="true" type="InstallableUnit">
-			<repository location="https://download.eclipse.org/lsp4j/updates/releases/0.21.1"/>
+			<repository location="https://download.eclipse.org/lsp4j/updates/releases/0.21.2"/>
 			<unit id="org.eclipse.lsp4j.sdk.feature.group" version="0.0.0"/>
 		</location>
 		<location includeAllPlatforms="false" includeConfigurePhase="false" includeMode="planner" includeSource="true" type="InstallableUnit">
diff --git a/xtext-r202203.target b/xtext-r202203.target
index 658dbf9bdf9..9e2de5835fe 100644
--- a/xtext-r202203.target
+++ b/xtext-r202203.target
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8" standalone="no"?>
 <?pde version="3.8"?>
-<target name="xtext-r202203" sequenceNumber="15">
+<target name="xtext-r202203" sequenceNumber="16">
 	<locations>
 		<location includeAllPlatforms="false" includeConfigurePhase="false" includeMode="planner" includeSource="true" type="InstallableUnit">
 			<repository location="https://download.eclipse.org/modeling/emf/emf/builds/release/2.29"/>
@@ -27,7 +27,7 @@
 			<unit id="org.eclipse.buildship.feature.group" version="0.0.0" />
 		</location>
 		<location includeAllPlatforms="false" includeConfigurePhase="false" includeMode="planner" includeSource="true" type="InstallableUnit">
-			<repository location="https://download.eclipse.org/lsp4j/updates/releases/0.21.1"/>
+			<repository location="https://download.eclipse.org/lsp4j/updates/releases/0.21.2"/>
 			<unit id="org.eclipse.lsp4j.sdk.feature.group" version="0.0.0"/>
 		</location>
 		<location includeAllPlatforms="false" includeConfigurePhase="false" includeMode="planner" includeSource="true" type="InstallableUnit">
diff --git a/xtext-r202206.target b/xtext-r202206.target
index cb5cc99d73a..2bb62fc1838 100644
--- a/xtext-r202206.target
+++ b/xtext-r202206.target
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8" standalone="no"?>
 <?pde version="3.8"?>
-<target name="xtext-r202206" sequenceNumber="15">
+<target name="xtext-r202206" sequenceNumber="16">
 	<locations>
 		<location includeAllPlatforms="false" includeConfigurePhase="false" includeMode="planner" includeSource="true" type="InstallableUnit">
 			<repository location="https://download.eclipse.org/modeling/emf/emf/builds/release/2.30"/>
@@ -26,7 +26,7 @@
 			<unit id="org.eclipse.buildship.feature.group" version="0.0.0" />
 		</location>
 		<location includeAllPlatforms="false" includeConfigurePhase="false" includeMode="planner" includeSource="true" type="InstallableUnit">
-			<repository location="https://download.eclipse.org/lsp4j/updates/releases/0.21.1"/>
+			<repository location="https://download.eclipse.org/lsp4j/updates/releases/0.21.2"/>
 			<unit id="org.eclipse.lsp4j.sdk.feature.group" version="0.0.0"/>
 		</location>
 		<location includeAllPlatforms="false" includeConfigurePhase="false" includeMode="planner" includeSource="true" type="InstallableUnit">
diff --git a/xtext-r202209.target b/xtext-r202209.target
index 7f7bde44359..7705ef42da4 100644
--- a/xtext-r202209.target
+++ b/xtext-r202209.target
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8" standalone="no"?>
 <?pde version="3.8"?>
-<target name="xtext-r202209" sequenceNumber="15">
+<target name="xtext-r202209" sequenceNumber="16">
 	<locations>
 		<location includeAllPlatforms="false" includeConfigurePhase="false" includeMode="planner" includeSource="true" type="InstallableUnit">
 			<repository location="https://download.eclipse.org/modeling/emf/emf/builds/release/2.31"/>
@@ -31,7 +31,7 @@
 			<unit id="org.eclipse.buildship.feature.group" version="0.0.0" />
 		</location>
 		<location includeAllPlatforms="false" includeConfigurePhase="false" includeMode="planner" includeSource="true" type="InstallableUnit">
-			<repository location="https://download.eclipse.org/lsp4j/updates/releases/0.21.1"/>
+			<repository location="https://download.eclipse.org/lsp4j/updates/releases/0.21.2"/>
 			<unit id="org.eclipse.lsp4j.sdk.feature.group" version="0.0.0"/>
 		</location>
 		<location includeAllPlatforms="false" includeConfigurePhase="false" includeMode="planner" includeSource="true" type="InstallableUnit">
diff --git a/xtext-r202212.target b/xtext-r202212.target
index 32d50492fae..6028a714a8d 100644
--- a/xtext-r202212.target
+++ b/xtext-r202212.target
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8" standalone="no"?>
 <?pde version="3.8"?>
-<target name="xtext-r202212" sequenceNumber="15">
+<target name="xtext-r202212" sequenceNumber="16">
 	<locations>
 		<location includeAllPlatforms="false" includeConfigurePhase="false" includeMode="planner" includeSource="true" type="InstallableUnit">
 			<repository location="https://download.eclipse.org/modeling/emf/emf/builds/release/2.32"/>
@@ -31,7 +31,7 @@
 			<unit id="org.eclipse.buildship.feature.group" version="0.0.0" />
 		</location>
 		<location includeAllPlatforms="false" includeConfigurePhase="false" includeMode="planner" includeSource="true" type="InstallableUnit">
-			<repository location="https://download.eclipse.org/lsp4j/updates/releases/0.21.1"/>
+			<repository location="https://download.eclipse.org/lsp4j/updates/releases/0.21.2"/>
 			<unit id="org.eclipse.lsp4j.sdk.feature.group" version="0.0.0"/>
 		</location>
 		<location includeAllPlatforms="false" includeConfigurePhase="false" includeMode="planner" includeSource="true" type="InstallableUnit">
diff --git a/xtext-r202303.target b/xtext-r202303.target
index e75ad54f304..bf5650a2a8b 100644
--- a/xtext-r202303.target
+++ b/xtext-r202303.target
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8" standalone="no"?>
 <?pde version="3.8"?>
-<target name="xtext-r202303" sequenceNumber="15">
+<target name="xtext-r202303" sequenceNumber="16">
 	<locations>
 		<location includeAllPlatforms="false" includeConfigurePhase="false" includeMode="planner" includeSource="true" type="InstallableUnit">
 			<repository location="https://download.eclipse.org/modeling/emf/emf/builds/release/2.33.0"/>
@@ -31,7 +31,7 @@
 			<unit id="org.eclipse.buildship.feature.group" version="0.0.0" />
 		</location>
 		<location includeAllPlatforms="false" includeConfigurePhase="false" includeMode="planner" includeSource="true" type="InstallableUnit">
-			<repository location="https://download.eclipse.org/lsp4j/updates/releases/0.21.1"/>
+			<repository location="https://download.eclipse.org/lsp4j/updates/releases/0.21.2"/>
 			<unit id="org.eclipse.lsp4j.sdk.feature.group" version="0.0.0"/>
 		</location>
 		<location includeAllPlatforms="false" includeConfigurePhase="false" includeMode="planner" includeSource="true" type="InstallableUnit">
diff --git a/xtext-r202306.target b/xtext-r202306.target
index 5f773fd6ad8..c1079ee0bed 100644
--- a/xtext-r202306.target
+++ b/xtext-r202306.target
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8" standalone="no"?>
 <?pde version="3.8"?>
-<target name="xtext-r202306" sequenceNumber="15">
+<target name="xtext-r202306" sequenceNumber="16">
 	<locations>
 		<location includeAllPlatforms="false" includeConfigurePhase="false" includeMode="planner" includeSource="true" type="InstallableUnit">
 			<repository location="https://download.eclipse.org/modeling/emf/emf/builds/release/2.34.0"/>
@@ -31,7 +31,7 @@
 			<unit id="org.eclipse.buildship.feature.group" version="0.0.0" />
 		</location>
 		<location includeAllPlatforms="false" includeConfigurePhase="false" includeMode="planner" includeSource="true" type="InstallableUnit">
-			<repository location="https://download.eclipse.org/lsp4j/updates/releases/0.21.1"/>
+			<repository location="https://download.eclipse.org/lsp4j/updates/releases/0.21.2"/>
 			<unit id="org.eclipse.lsp4j.sdk.feature.group" version="0.0.0"/>
 		</location>
 		<location includeAllPlatforms="false" includeConfigurePhase="false" includeMode="planner" includeSource="true" type="InstallableUnit">
diff --git a/xtext-r202309.target b/xtext-r202309.target
index 6b447704f88..a6ff1eb8f44 100644
--- a/xtext-r202309.target
+++ b/xtext-r202309.target
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8" standalone="no"?>
 <?pde version="3.8"?>
-<target name="xtext-r202309" sequenceNumber="15">
+<target name="xtext-r202309" sequenceNumber="16">
 	<locations>
 		<location includeAllPlatforms="false" includeConfigurePhase="false" includeMode="planner" includeSource="true" type="InstallableUnit">
 			<repository location="https://download.eclipse.org/modeling/emf/emf/builds/release/2.35.0"/>
@@ -31,7 +31,7 @@
 			<unit id="org.eclipse.buildship.feature.group" version="0.0.0" />
 		</location>
 		<location includeAllPlatforms="false" includeConfigurePhase="false" includeMode="planner" includeSource="true" type="InstallableUnit">
-			<repository location="https://download.eclipse.org/lsp4j/updates/releases/0.21.1"/>
+			<repository location="https://download.eclipse.org/lsp4j/updates/releases/0.21.2"/>
 			<unit id="org.eclipse.lsp4j.sdk.feature.group" version="0.0.0"/>
 		</location>
 		<location includeAllPlatforms="false" includeConfigurePhase="false" includeMode="planner" includeSource="true" type="InstallableUnit">
diff --git a/xtext-r202312.target b/xtext-r202312.target
index fe00119048f..ff64237daae 100644
--- a/xtext-r202312.target
+++ b/xtext-r202312.target
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8" standalone="no"?>
 <?pde version="3.8"?>
-<target name="xtext-r202312" sequenceNumber="15">
+<target name="xtext-r202312" sequenceNumber="16">
 	<locations>
 		<location includeAllPlatforms="false" includeConfigurePhase="false" includeMode="planner" includeSource="true" type="InstallableUnit">
 			<repository location="https://download.eclipse.org/modeling/emf/emf/builds/release/2.36.0"/>
@@ -31,7 +31,7 @@
 			<unit id="org.eclipse.buildship.feature.group" version="0.0.0" />
 		</location>
 		<location includeAllPlatforms="false" includeConfigurePhase="false" includeMode="planner" includeSource="true" type="InstallableUnit">
-			<repository location="https://download.eclipse.org/lsp4j/updates/releases/0.21.1"/>
+			<repository location="https://download.eclipse.org/lsp4j/updates/releases/0.21.2"/>
 			<unit id="org.eclipse.lsp4j.sdk.feature.group" version="0.0.0"/>
 		</location>
 		<location includeAllPlatforms="false" includeConfigurePhase="false" includeMode="planner" includeSource="true" type="InstallableUnit">