diff --git a/build/org.eclipse.cdt.autotools.docs/META-INF/MANIFEST.MF b/build/org.eclipse.cdt.autotools.docs/META-INF/MANIFEST.MF
index 96ee59444bb..69e16f2c80a 100644
--- a/build/org.eclipse.cdt.autotools.docs/META-INF/MANIFEST.MF
+++ b/build/org.eclipse.cdt.autotools.docs/META-INF/MANIFEST.MF
@@ -2,7 +2,7 @@ Manifest-Version: 1.0
 Bundle-ManifestVersion: 2
 Bundle-Name: %bundleName
 Bundle-SymbolicName: org.eclipse.cdt.autotools.docs;singleton:=true
-Bundle-Version: 2.0.800.qualifier
+Bundle-Version: 2.0.900.qualifier
 Bundle-Vendor: %provider
 Bundle-Localization: plugin
 Require-Bundle: org.eclipse.help,
diff --git a/build/org.eclipse.cdt.autotools.docs/pom.xml b/build/org.eclipse.cdt.autotools.docs/pom.xml
index e75158e7b22..da0603b35bd 100644
--- a/build/org.eclipse.cdt.autotools.docs/pom.xml
+++ b/build/org.eclipse.cdt.autotools.docs/pom.xml
@@ -21,7 +21,7 @@
     <relativePath>../../pom.xml</relativePath>
   </parent>
 
-  <version>2.0.800-SNAPSHOT</version>
+  <version>2.0.900-SNAPSHOT</version>
   <artifactId>org.eclipse.cdt.autotools.docs</artifactId>
   <packaging>eclipse-plugin</packaging>
 
diff --git a/build/org.eclipse.cdt.meson.docs/META-INF/MANIFEST.MF b/build/org.eclipse.cdt.meson.docs/META-INF/MANIFEST.MF
index 86c9590ce1d..fab5c270ca1 100644
--- a/build/org.eclipse.cdt.meson.docs/META-INF/MANIFEST.MF
+++ b/build/org.eclipse.cdt.meson.docs/META-INF/MANIFEST.MF
@@ -2,7 +2,7 @@ Manifest-Version: 1.0
 Bundle-ManifestVersion: 2
 Bundle-Name: %bundleName
 Bundle-SymbolicName: org.eclipse.cdt.meson.docs;singleton:=true
-Bundle-Version: 1.0.800.qualifier
+Bundle-Version: 1.0.900.qualifier
 Bundle-Vendor: %provider
 Bundle-Localization: plugin
 Require-Bundle: org.eclipse.help,
diff --git a/build/org.eclipse.cdt.meson.docs/pom.xml b/build/org.eclipse.cdt.meson.docs/pom.xml
index cec88f314a1..81a5191b75d 100644
--- a/build/org.eclipse.cdt.meson.docs/pom.xml
+++ b/build/org.eclipse.cdt.meson.docs/pom.xml
@@ -21,7 +21,7 @@
     <relativePath>../../pom.xml</relativePath>
   </parent>
 
-  <version>1.0.800-SNAPSHOT</version>
+  <version>1.0.900-SNAPSHOT</version>
   <artifactId>org.eclipse.cdt.meson.docs</artifactId>
   <packaging>eclipse-plugin</packaging>
 
diff --git a/debug/org.eclipse.cdt.debug.application.doc/META-INF/MANIFEST.MF b/debug/org.eclipse.cdt.debug.application.doc/META-INF/MANIFEST.MF
index 4d596907f5b..74184cbeb72 100644
--- a/debug/org.eclipse.cdt.debug.application.doc/META-INF/MANIFEST.MF
+++ b/debug/org.eclipse.cdt.debug.application.doc/META-INF/MANIFEST.MF
@@ -2,6 +2,6 @@ Manifest-Version: 1.0
 Bundle-ManifestVersion: 2
 Bundle-Name: %bundleName
 Bundle-SymbolicName: org.eclipse.cdt.debug.application.doc;singleton:=true
-Bundle-Version: 1.1.900.qualifier
+Bundle-Version: 1.1.1000.qualifier
 Bundle-Vendor: %provider
 Bundle-Localization: plugin
diff --git a/debug/org.eclipse.cdt.debug.application.doc/pom.xml b/debug/org.eclipse.cdt.debug.application.doc/pom.xml
index 2c38ba467b2..a8cd1d7c2af 100644
--- a/debug/org.eclipse.cdt.debug.application.doc/pom.xml
+++ b/debug/org.eclipse.cdt.debug.application.doc/pom.xml
@@ -20,7 +20,7 @@
 		<relativePath>../../pom.xml</relativePath>
 	</parent>
 
-	<version>1.1.900-SNAPSHOT</version>
+	<version>1.1.1000-SNAPSHOT</version>
 	<artifactId>org.eclipse.cdt.debug.application.doc</artifactId>
 	<packaging>eclipse-plugin</packaging>
 
diff --git a/doc/org.eclipse.cdt.doc.isv/META-INF/MANIFEST.MF b/doc/org.eclipse.cdt.doc.isv/META-INF/MANIFEST.MF
index df31cc0b0ca..8894c75a5c0 100644
--- a/doc/org.eclipse.cdt.doc.isv/META-INF/MANIFEST.MF
+++ b/doc/org.eclipse.cdt.doc.isv/META-INF/MANIFEST.MF
@@ -2,7 +2,7 @@ Manifest-Version: 1.0
 Bundle-ManifestVersion: 2
 Bundle-Name: %pluginName
 Bundle-SymbolicName: org.eclipse.cdt.doc.isv; singleton:=true
-Bundle-Version: 5.4.900.qualifier
+Bundle-Version: 5.4.1000.qualifier
 Bundle-Localization: plugin
 Require-Bundle: org.eclipse.help;bundle-version="[3.2.0,4.0.0)"
 Bundle-ActivationPolicy: lazy
diff --git a/doc/org.eclipse.cdt.doc.isv/pom.xml b/doc/org.eclipse.cdt.doc.isv/pom.xml
index 488c404794d..3d125859cc0 100644
--- a/doc/org.eclipse.cdt.doc.isv/pom.xml
+++ b/doc/org.eclipse.cdt.doc.isv/pom.xml
@@ -21,7 +21,7 @@
 		<relativePath>../../pom.xml</relativePath>
 	</parent>
 
-	<version>5.4.900-SNAPSHOT</version>
+	<version>5.4.1000-SNAPSHOT</version>
 	<artifactId>org.eclipse.cdt.doc.isv</artifactId>
 	<packaging>eclipse-plugin</packaging>
 
diff --git a/doc/org.eclipse.cdt.doc.user/META-INF/MANIFEST.MF b/doc/org.eclipse.cdt.doc.user/META-INF/MANIFEST.MF
index 3596ce82e5d..95f78de63d0 100644
--- a/doc/org.eclipse.cdt.doc.user/META-INF/MANIFEST.MF
+++ b/doc/org.eclipse.cdt.doc.user/META-INF/MANIFEST.MF
@@ -2,7 +2,7 @@ Manifest-Version: 1.0
 Bundle-ManifestVersion: 2
 Bundle-Name: %pluginName
 Bundle-SymbolicName: org.eclipse.cdt.doc.user; singleton:=true
-Bundle-Version: 5.4.800.qualifier
+Bundle-Version: 5.4.900.qualifier
 Bundle-Vendor: %providerName
 Bundle-Localization: plugin
 Bundle-ActivationPolicy: lazy
diff --git a/doc/org.eclipse.cdt.doc.user/pom.xml b/doc/org.eclipse.cdt.doc.user/pom.xml
index 6ced4e691f6..bf6831404c2 100644
--- a/doc/org.eclipse.cdt.doc.user/pom.xml
+++ b/doc/org.eclipse.cdt.doc.user/pom.xml
@@ -20,7 +20,7 @@
 		<relativePath>../../pom.xml</relativePath>
 	</parent>
 
-	<version>5.4.800-SNAPSHOT</version>
+	<version>5.4.900-SNAPSHOT</version>
 	<artifactId>org.eclipse.cdt.doc.user</artifactId>
 	<packaging>eclipse-plugin</packaging>
 
diff --git a/pom.xml b/pom.xml
index 4a0f438d538..6ba08dc0744 100644
--- a/pom.xml
+++ b/pom.xml
@@ -43,7 +43,7 @@
 
 		<!-- When changing this value, consider also bumping the version numbers of all the docs plug-ins so that compare&replace does not
 		     replace the the newly built docs because the only change is in the filtered out index/* resources. -->
-		<help-docs-eclipserun-repo>http://download.eclipse.org/eclipse/updates/4.19/</help-docs-eclipserun-repo>
+		<help-docs-eclipserun-repo>http://download.eclipse.org/eclipse/updates/4.21-I-builds/</help-docs-eclipserun-repo>
 
 
 		<tycho.scmUrl>scm:git:git://git.eclipse.org/gitroot/cdt/org.eclipse.cdt.git</tycho.scmUrl>