diff --git a/.github/workflows/eclipse-ls-extensions.yml b/.github/workflows/eclipse-ls-extensions.yml
index 8f0e2013c..c0f0483b5 100644
--- a/.github/workflows/eclipse-ls-extensions.yml
+++ b/.github/workflows/eclipse-ls-extensions.yml
@@ -22,6 +22,9 @@ jobs:
           distribution: 'temurin'
       - name: Enforce https instead of http
         run: ./nohttp.sh
+      - name: Timestamp
+        id: timestamp
+        run: echo "::set-output name=date::$(date +'%Y-%m-%dT%H:%M:%S')"
       - name: Build Language Servers JARs
         run: |
           cd headless-services
@@ -32,4 +35,4 @@ jobs:
           tools_s3_secret_key: ${{ secrets.TOOLS_S3_SECRET_KEY  }}
         run: |
           cd eclipse-language-servers
-          xvfb-run mvn --batch-mode clean deploy -Pe427 -Psnapshot -Pgitactions -Dsigning.skip=true -Dhttpclient.retry-max=20 -Declipse.p2.mirrors=false -Ds3service.https-only=true -Dmaven.test.skip=true -Dtycho.localArtifacts=ignore
\ No newline at end of file
+          xvfb-run mvn --batch-mode clean deploy -Pe427 -Psnapshot -Pgitactions -DbuildNumber=${{ steps.timestamp.outputs.timestamp }} -Dsigning.skip=true -Dhttpclient.retry-max=20 -Declipse.p2.mirrors=false -Ds3service.https-only=true -Dmaven.test.skip=true -Dtycho.localArtifacts=ignore
\ No newline at end of file
diff --git a/eclipse-language-servers/pom.xml b/eclipse-language-servers/pom.xml
index f991894ff..9b3ac7b44 100644
--- a/eclipse-language-servers/pom.xml
+++ b/eclipse-language-servers/pom.xml
@@ -138,6 +138,20 @@
 			</properties>
 		</profile>
 
+		<profile>
+			<id>gitactions.buildNumber</id>
+			<activation>
+				<property>
+					<name>buildNumber</name>
+				</property>
+			</activation>
+			<properties>
+				<p2.qualifier>CI-B${buildNumber}</p2.qualifier>
+				<p2.replaceQualifier>true</p2.replaceQualifier>
+			</properties>
+		</profile>
+
+
 		<profile>
 			<id>e425</id>
 			<properties>