diff --git a/.github/workflows/tdapi_file.yaml b/.github/workflows/tdapi_file.yaml
index 505c908..4c73f5d 100644
--- a/.github/workflows/tdapi_file.yaml
+++ b/.github/workflows/tdapi_file.yaml
@@ -111,7 +111,8 @@ jobs:
         run: |
           echo "REVISION: $REVISION"
 
-          ./scripts/continuous-integration/github-workflows/deploy-snapshot.sh
+          API_TYPE=legacy ./scripts/continuous-integration/github-workflows/deploy-snapshot.sh
+          API_TYPE=sealed ./scripts/continuous-integration/github-workflows/deploy-snapshot.sh
         env:
           MAVEN_USERNAME: ${{ secrets.MCHV_USERNAME }}
           MAVEN_PASSWORD: ${{ secrets.MCHV_TOKEN }}
@@ -121,8 +122,10 @@ jobs:
         run: |
           echo "REVISION: $REVISION"
 
-          ./scripts/continuous-integration/github-workflows/deploy-release.sh
-          ./scripts/continuous-integration/github-workflows/deploy-javadoc.sh
+          API_TYPE=legacy ./scripts/continuous-integration/github-workflows/deploy-release.sh
+          API_TYPE=sealed ./scripts/continuous-integration/github-workflows/deploy-release.sh
+          API_TYPE=legacy ./scripts/continuous-integration/github-workflows/deploy-javadoc.sh
+          API_TYPE=sealed ./scripts/continuous-integration/github-workflows/deploy-javadoc.sh
         env:
           MAVEN_USERNAME: ${{ secrets.MCHV_USERNAME }}
           MAVEN_PASSWORD: ${{ secrets.MCHV_TOKEN }}
diff --git a/scripts/continuous-integration/github-workflows/deploy-javadoc.sh b/scripts/continuous-integration/github-workflows/deploy-javadoc.sh
index ab08dc8..dc68337 100755
--- a/scripts/continuous-integration/github-workflows/deploy-javadoc.sh
+++ b/scripts/continuous-integration/github-workflows/deploy-javadoc.sh
@@ -1,18 +1,28 @@
 #!/bin/bash -e
 set -e
 
+# Check variables correctness
+if [ -z "${IMPLEMENTATION_NAME}" ]; then
+	echo "Missing parameter: IMPLEMENTATION_NAME"
+	exit 1
+fi
+if [ -z "${API_TYPE}" ]; then
+	echo "Missing parameter: API_TYPE"
+	exit 1
+fi
+
 cd ./generated/target/apidocs
 find . -name '*.html' -exec sed -i -r 's/<\/title>/<\/title>\n<meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\"><style>\n\t#memberSummary_tabpanel{overflow-x: auto;}\n\tli.blockList{overflow-x: auto;}\n\ttd.colLast div{max-width:30vw;}\n\t#search{width: 400px;max-width: 65vw;}\n\t.title,.subTitle,pre,.inheritance,h1,h2,h3,h4,h5,.memberSummary,.memberSignature,.typeSummary,.blockList,.contentContainer{white-space:normal;word-break:break-word;}\n\tul{padding-left:10px}\n<\/style>/' {} \;
 git init
-git checkout -b "${IMPLEMENTATION_NAME}"
+git checkout -b "${IMPLEMENTATION_NAME}-${API_TYPE}"
 git remote add origin "ssh://git@ssh.git.ignuranza.net/tdlight-team/tdlight-docs"
 git config user.email "andrea@warp.ovh"
 git config user.name "Andrea Cavalli"
 git fetch --all
-git reset --soft "origin/${IMPLEMENTATION_NAME}"
+git reset --soft "origin/${IMPLEMENTATION_NAME}-${API_TYPE}"
 git add -A
 git commit -m "Update javadocs"
-git push --set-upstream origin "${IMPLEMENTATION_NAME}"
+git push --set-upstream origin "${IMPLEMENTATION_NAME}-${API_TYPE}"
 
 echo "Done."
 exit 0
diff --git a/scripts/core/deploy_release.sh b/scripts/core/deploy_release.sh
index 0cae78f..faed812 100755
--- a/scripts/core/deploy_release.sh
+++ b/scripts/core/deploy_release.sh
@@ -1,6 +1,8 @@
 #!/bin/bash -e
 # OTHER REQUIRED ENVIRONMENT VARIABLES:
 #   REVISION = <revision>
+# OTHER ENVIRONMENT VARIABLES:
+#   API_TYPE = <legacy|sealed>
 
 # Check variables correctness
 if [ -z "${REVISION}" ]; then
@@ -9,10 +11,11 @@ if [ -z "${REVISION}" ]; then
 fi
 
 source ./setup-variables.sh
+FALLBACK_API_TYPE="sealed"
 
 cd ../../generated
 
-mvn -B -DrevisionNumber="${REVISION}" -DrevisionSuffix="" clean deploy
+mvn -B -DrevisionNumber="${REVISION}" "-D${API_TYPE:-${FALLBACK_API_TYPE}}" -DrevisionSuffix="" clean deploy
 
 echo "Done."
 exit 0
diff --git a/scripts/core/deploy_snapshot.sh b/scripts/core/deploy_snapshot.sh
index c405693..9f854c2 100755
--- a/scripts/core/deploy_snapshot.sh
+++ b/scripts/core/deploy_snapshot.sh
@@ -1,7 +1,12 @@
 #!/bin/bash -e
+# OTHER ENVIRONMENT VARIABLES:
+#   API_TYPE = <legacy|sealed>
+
 cd ../../generated
 
-mvn -B deploy
+FALLBACK_API_TYPE="sealed"
+
+mvn -B "-D${API_TYPE:-${FALLBACK_API_TYPE}}" deploy
 
 echo "Done."
 exit 0
diff --git a/src/main/tdapi-project-src/pom.template.xml b/src/main/tdapi-project-src/pom.template.xml
index 2d12733..7cc8e8d 100644
--- a/src/main/tdapi-project-src/pom.template.xml
+++ b/src/main/tdapi-project-src/pom.template.xml
@@ -117,7 +117,8 @@
 						<version>3.8.1</version>
 						<configuration>
 							<encoding>UTF-8</encoding>
-							<release>17</release>
+							<source>17</source>
+							<target>17</target>
 						</configuration>
 					</plugin>
 					<plugin>
@@ -186,15 +187,22 @@
 					</execution>
 				</executions>
 			</plugin>
+			<plugin>
+				<artifactId>maven-install-plugin</artifactId>
+				<version>3.0.0-M1</version>
+			</plugin>
+			<plugin>
+				<artifactId>maven-deploy-plugin</artifactId>
+				<version>2.8.2</version>
+			</plugin>
 			<plugin>
 				<groupId>org.codehaus.mojo</groupId>
 				<artifactId>flatten-maven-plugin</artifactId>
-				<version>1.1.0</version>
+				<version>1.2.2</version>
 				<configuration>
-					<updatePomFile>true</updatePomFile>
-					<flattenMode>resolveCiFriendliesOnly</flattenMode>
 				</configuration>
 				<executions>
+					<!-- enable flattening -->
 					<execution>
 						<id>flatten</id>
 						<phase>process-resources</phase>
@@ -202,6 +210,7 @@
 							<goal>flatten</goal>
 						</goals>
 					</execution>
+					<!-- ensure proper cleanup -->
 					<execution>
 						<id>flatten.clean</id>
 						<phase>clean</phase>
@@ -211,14 +220,6 @@
 					</execution>
 				</executions>
 			</plugin>
-			<plugin>
-				<artifactId>maven-install-plugin</artifactId>
-				<version>3.0.0-M1</version>
-			</plugin>
-			<plugin>
-				<artifactId>maven-deploy-plugin</artifactId>
-				<version>2.8.2</version>
-			</plugin>
 		</plugins>
 	</build>
 </project>